Power Management

austriamicrosystems' power management products cover a wide range of power management applications, specifically targeting portable battery-powered devices, including mobile phones, portable navigation devices, personal audio/video players and personal healthcare devices to name just a few.

Power Management Units

Part No.	Description	Datasheet	Price (1k)*	DC-DC Step up	DC-DC Step down	RF LDOs	Digital LDOs	Curr. Sinks	Charge Pump	Audio DAC	Audio ADC	Audio Features	GP ADC	Charger Startup Seq.	Custom	Package
AS3603	1 Buck DCDC, 5 RF LDOs, 2 Digital LDOs, HV LED Backlight Driver, Battery Charger, Speaker Amplifier, ADC	Request	$ 2.48	45mA (Backlight)	500 mA	3x150mA, 2x75mA	2x200mA	4x160mA	5V/30mA	no	no	0.5W Stereo	10 Bit	Linear	8x	QFN48
AS3604	1 Buck DCDC, 5 RF LDOs, 2 Digital LDOs, HV LED Backlight Driver, Battery Charger, Speaker Amplifier, ADC	Request	$ 3.47	45mA (Backlight)	500 mA	3x200mA, 2x150mA	2x250mA	4x160mA	5V/30mA	no	no	0.5W Stereo	10 Bit	Linear	8x	QFN48
AS3607	3 Buck DCDCs, 5 LDOs, 1A Linear Charger, General Purpose ADC, Programmable Startup	Request	$ 2.99	HV 30V	3x 700mA	4x 250mA, 1x100mA		2x200mA						1A Linear		QFN36 6x6mm
AS3650	2 Buck DCDCs, 1 Boost DCDCs, 3 RF LDOs, 3 Digital LDOs, 18 Bit Audio DAC + 16 Bit Audio ADC, Headphone Amplifier, USB and Linear Charger, Current Sinks, Touch Screen Interface, RTC, General Purpose ADC, Programmable Startup	Request	$ 4.18	2x Gen. Purpose (Voltage or Current Out)	1x1.6A, 1x500mA	1x400mA	3x200mA	4x40mA, 2x40mA (HV)	5V/100mA	96dB SNR	84dB SNR	2x Headph., 1x Line In, 1x Line Out, Mic Input, Audio Mixer	10 Bit	Linear	8 PROM Programmable	BGA124 8x8mm
AS3654	3 Buck DCDCs, 3 Boost DCDCs, 5 LDOs,DCDC Charger, 18-Bit Audio DAC + Headphone Amplifier, Current Sinks, ADC	Request	$ 4.50	2x Gen. Purpose (Voltage or Current Out)	3x500mA	2x150mA	2x200mA	4x40mA, 3x40mA (HV)	5V/100mA	18Bit	no	1x Headph., 1x Line In, 1x Line Out	10 Bit	USB	8x	BGA100 10x10mm
AS3656	3 Buck DCDCs, 3 Boost DCDCs, 5 LDOs, DCDC Charger, Current Sinks, ADC	Request	$ 4.31	2x Gen. Purpose (Voltage or Current Out)	3x500mA	1x150mA	2x200mA	4x40mA, 3x40mA (HV)	5V/100mA	no	no	no	10 Bit	Step-Down, USB	8x	BGA100 10x10mm
AS3658	3 Buck DCDCs, 2 Boost DCDCs, 3 RF LDOs, 4 digital LDOs, Step-Down Charger, USB and Linear Charger, 18-Bit Audio DAC + 16-Bit Audio ADC, Headphone Amplifier, Current Sinks, Touch Screen Interface, RTC, General Purpose ADC, Programmable Startup	Request	$ 8.01	2x Gen. Purpose (Voltage or Current Out)	1x1.6A, 2x500mA	1x400mA	4x200mA	4x40mA, 3x40mA (HV)	5V/100mA	96dB SNR	84dB SNR	2x Headph., 1x Line Out, 1x Line In, Mic Input, Audio Mixer, Equalizer	10 Bit	Step-Down, USB	8 PROM Programmable	BGA124 8x8mm

DC-DC Step down Converters

Part No.	Description	Price (1k)*	analogbench	Input Voltage	Output Voltage	Output Current	Efficiency	Iq	Architecture	fmax	Enable/SHDN	Reset	Features	Package
AS1324	DC-DC Step-Down Converter, 600mA, 1.5MHz	$ 0.59	Design It!	2.7 to 5.5	0.6 to Vin	600	96	35	fixed Frequency, sync.	1500	√			TSOT23-5
AS1332	DC-DC Step-Down Converter 650mA for RF PA supply	$ 1.59		2.7 to 5.5	1.3 to 3.16	650	96	1000	fixed Frequency, sync.	2000	√		Dynamical Voltage Control	WL-CSP-8
AS1333	DC-DC Step-Down Converter 650mA for RF PA supply	$ 1.59		3.25 to 5.5	3.09	650	96	1000	fixed Frequency, sync.	2000	√		Low Noise, Low Output Voltage Ripple	WL-CSP 8-pin
AS1334	DC-DC Step-Down Converter, 650mA Ultra-Low Ripple,	$ 1.59	Design It!	3.25 to 5.5	1.2 to 3.4	650	96	1000	fixed Frequency, sync.	2000	√	√	Low Noise, Low Output Voltage Ripple	TDFN(3x3)-8
AS1335	DC-DC Step-down Converter, Iout=1.5A 1.5MHz	$ 0.77		2.6 to 5.25	0.6 to 5.25	1500	96	400	fixed Frequency, sync.	1500	√			TDFN(3x3)-10
AS1339	DC-DC Step-Down Converter 650mA , 2x10mA LDOs for RF PA supply	$ 1.49		2.7 to 5.5	0.8 to 3.75	650	96	4500	fixed Frequency, sync.	2000	√		dynamical Voltage Control for RF-PA supply, WCDMA/NCDMA	WL-CSP-16
AS1341	HV DC-DC Step-down Converter 20V, 600mA	$ 1.56	Design It!	4.5 to 20	1.25 to Vin	600	96	12	Hysteretic, async	<250	√	√	100% Duty Cycle	TDFN(3x3)-8
AS7620	HV DC-DC Step-Down Converter, 32V, with Dual Power Monitor	$ 1.36	Design It!	3.6 to 32	AS7620-A: 1.2 to Vin AS7620-B: 3.3	500	90	30	Hysteretic, async	>250	√	√	Early Power Fail Warning 100% Duty Cycle	QFN(4x4)-12

DC-DC Step up Converters

Part No.	Description	Price (1k)*	analogbench	Input Voltage	Output Voltage	Output Current	Efficiency	Iq	Architecture	fmax	Enable/SHDN	Reset/POK	Features	Package
AS1301	Inductorless Boost Converter, Low-Noise, 5V/50mA	$ 0.72	Design It!	2.7 to 5.25	5.0	50	92	3mA	Charge Pump	1000			Inductorless	TDFN(3x3)-10 / WL-CSP-8
AS1302	Inductorless Boost Converter, Lowest Power, 5V/30mA	$ 0.49		2.9 to 5.15	5.0	30	90	100	Charge Pump	1200	√	-	Inductorless	WL-CSP-8 (1.2x1.2mm) TDFN(3x3)-10
AS1320	DC-DC Step-Up Converter 3.3V, 200mA	$ 1.43	Design It!	1.5 to 3.5	3.3	130	96	35	Hysteretic, sync	<200	√		Shdn Batt. Feedthr.	SOT23-6
AS1321	DC-DC Step-Up Converter 5V, 130mA	$ 1.43	Design It!	1.5 to 5.0	5.0	130	96	35	Hysteretic, sync	<200	√	√	Battery Feedthrough	SOT23-6
AS1322	DC-DC Step-Up Converter Low Voltage, 1.2 MHz	$ 1.58	Design It!	0.65 to 5.0	2.5 to 5.0	315	95	30	fixed Frequency, sync	1200	√		Powersave Mode	TSOT23-6
AS1323	DC-DC Step-Up Converter 1.6µA Quiescent Current	$ 1.29		0.75 to 2.0	2.7, 3.0 and 3.3	100	85	1.6	Hysteretic, Sync		√		1.6µA Quiescent Curr.	TSOT23-5
AS1325	DC-DC Step-Up Converter 3.3/5Vout, 300/185mA,	$ 1.58		1.5 to 3.5	3.3	300	96	35	Hysteretic, sync	<400	√	√	Battery Feedthrough	SOT23-6
AS1326	DC-DC Step-Up Converter High-Current 650mA	$ 1.72		0.7 to 5.0	3.3, 2.5 to 5.0	650	96	65	fixed Frequency, sync	1200	√	-	Synchr. to Ext. Clock, Softstart	TDFN-10
AS1329	DC-DC Step-Up Converter Low Voltage, 1.2 MHz	$ 1.58	Design It!	0.65 to 5.0	2.5 to 5.0	315	95	30	fixed Frequency, Sync	1200	√	-	Battery Feedthrough	TSOT23-6
AS1330	DC-DC Step-up Converter 4MHz and 470nH Inductor	$ 0.75		0.6 to 3.0	1.8 to 3.3	150	91	30	fixed Frequency, sync	4000	√	√	Output Disconnect, Low Battery Detection	TDFN(2x2)-8
AS1336	Dual Step-Up DC-DC Converter for low input voltages	$ 1.10		0.8 to 3.6	1.8 to 3.6	260	96	14	fixed Fequency, sync.	1200	√	√	Low Battery Detect	TQFN(3x3)-16
AS1337	DC-DC Step-Up Converter 200mA with Buck Mode	$ 0.70		0.65V to 4.5V	2.5V to 5.0V	200	97	20	fixed Freq.,sync	1200	√	√	Buck Mode	TDFN(3x3)-8
AS1340	HV DC-DC Step-up Converter, 50V, Adjustable Output with Shutdown Disconnect	$ 1.08		2.7 to 50	2.7 to 50	100**	90	30	fixed Frequency, async	1000	√	√	Output Disconnect	TDFN(3x3)-8
AS1343	HV DC-DC Boost Converter, 42V, Adjustable Output with Shutdown Disconnect	$ 1.30		0.9 to 3.6	5.5 to 42	100	85	22	fixed Frequency, async	1000	√	√	Output Disconnect	TDFN(3x3)-10
AS1344	HV DC-DC Boost Converter, 42V, with Softstart and Shutdown Disconnect	$ 1.13		0.9 to 3.6	5.5 to 42	100	85	22	fixed Frequency, async	1000	√	√	Softstart, Shutdown Output Disconnect	TDFN(3x3)-10

DC-DC Buck-Boost Converters

Part No.	Description	Datasheet	Price (1k)*	Buy	Sample	Input Voltage	Output Voltage	Output Current	Efficiency	Iq	Architecture	fmax	Enable/SHDN	Reset	Features	Package
AS1331	300mA, DC-DC Buck-Boost Converter		$ 1.29			1.8 to 5.5	2.5 to 3.3	300	90	22	Hysteretic, sync.	<500	√	√	Low battery detection	TDFN(3x3)-10
AS1337	200mA DCDC Step-up Converter with Buck Mode		$ 0.70			0.65V to 4.5V	2.5V to 5.0V	200	97	20	fixed Freq.,sync	1200	yes	yes	Buck Mode	TDFN(3x3)-8

LDOs

Part No.	Description	Price (1k)*	Output	Accuracy	Output Current	Feature	Output Voltage	Dropout Voltage @ max Current	Supply Current	Supply Voltage	Package
AS1351	Dual LDO with Programmable Output Voltage Between 1.8V and 3.3V	$ 1.04	2	± 1.5	200	One Time Programmable	1.8 to 3.3	200	125	3.0 to 5.5	QFN(3x3)-12
AS1352	Quad LDO with Programmable Output Voltage Between 1.8V and 3.3V	$ 1.15	4	± 2.0	200	One Time Programmable	1.8 to 3.3	200	225	3.0 to 5.5	QFN(4x4)-12 / QFN(3x3)-16
AS1353	150mA Low Dropout Regulator, Reverse Battery Protection, Low Noise Bypass Pin	$ 0.46	1	± 1,0	150	Low Noise	1.5 to 3.6	60	115	2.5 to 5.5	SOT23-5
AS1355	300mA Triple low drop out regulator	$ 0.42	3	1	300	Triple Low Noise LDO	1.25V to 3.6V	100	160	2.3V to 5.5V	16-pin QFN 3x3 Package
AS1356	150mA Low Dropout Regulator, Reverse Battery Protection, Power-OK Flag	$ 0.46	1	± 1,0	150	Power-OK	1.5 to 3.6	60	115	2.5 to 5.5	SOT23-5
AS1357	Triple LDO with Programmable Output Voltage Between 1.8V and 3.3V	$ 1.02	3	± 1.5	200	One Time Programmable	1.8 to 3.3	200	175	3.0 to 5.5	QFN(4x4)-12 / QFN(3x3)-16
AS1358	150mA 9µVrms Ultra-Low-Noise, 92dB High-PSRR - LDO	$ 0.38	1	± 0.5	150	Ultra Low Noise	1.5 to 4.5	70	40	2.0 to 5.5	TSOT23-5
AS1359	300mA 9µVrms Ultra-Low-Noise, 92dB High-PSRR - LDO	$ 0.51	1	± 0.5	300	Ultra Low Noise	1.5 to 4.5	140	50	2.0 to 5.5	TSOT23-5
AS1360	1.5µA Low-Power, 20V, Positive Voltage Regulator	$ 0.46	1	± 1.5	250	High Voltage, Low IQ	1.8, 2.5, 3.0, 3.3, 5.0	400	1.5	2.0 to 20	SOT23-3
AS1361	150mA 9µVrms Ultra-Low-Noise, 92dB High-PSRR - LDO with Power-Ok	$ 0.41	1	± 0.5	150	Ultra Low Noise, POK	1.5 to 4.5	70	40	2.0 to 5.5	TSOT23-6
AS1362	300mA 9µVrms Ultra-Low-Noise, 92dB High-PSRR - LDO with Power-Ok	$ 0.53	1	± 0.5	300	Ultra Low Noise, POK	1.5 to 4.5	140	40	2.0 to 5.5	TSOT23-6
AS1363	500mA Ultra-Low-Dropout Linear Regulator	$ 0.60	1	±0.75	500	Low Noise	1.2 to 5.3V	320	40	2.0 to 5.5V	SOT23 6-pin
AS1364	1A Ultra-Low-Dropout Linear Regulator	$ 0.70	1	±0.75	1000	Low Noise	1.2 to 5.3V	200	35	2.0 to 5.5	TDFN 3x3mm 8-pin
AS1367	The AS1367 " Eco" 150mA adaptive low drop out regulator	$ 0.35	1	1	150	maintains efficiency by adaptively switching between light and heavy current load modes	1.2V to 5.0V	110	15	2.0V to 5.5V	8-pin TDFN 2x2 Package
AS1369	200mA Micro-Sized Ultra-Low-Dropout Regulator	$ 0.33	1	±0.7	200	Micro-Sized	1.2 to 5.0	80	25	2.0 to 5.5	CS-WLP-4
AS1371	400mA, Low Input Voltage, Low Quiescent Current LDO	$ 0.30	1	1	400	Low Input Voltage	0.6 to 3.3	80	50	1.2 to 3.6	6-pin 2x2 TDFN
AS1374	200mA, Ultra-Low-Noise, High-PSRR, Dual Low Dropout Regulators	$ 0.26	2	2.5	200	Ultra-Low-Noise, High-PSRR	1.2 to 3.6	120	30	2 to 5.5	WL-CSP-6
AS13985	150mA Micropower Low-Noise LDO	$ 0.33	1	± 1.0	150	Ultra Low DO	1.2 to 5.0	45	95	2.5 to 5.5	CS-WLP-5 / SOT23-5
AS13986	Dual 150mA Micropower Low-Noise LDO	$ 0.59	2	± 1.0	150	Ultra Low DO	1.2 to 5.0	45	135	2.5 to 5.5	CS-WLP-8

Supervisors

Part No.	Description	Price (1k)*	Superv. Voltages	Superv. Voltages	Super. Voltages	Super. Voltages	Inputs	Push/Pull Active Low	Push/Pull Active High	Open-Drain	Watchdog	Man. Reset	Supply Current	Supply Voltage	Package
AS1901	230nA Low Power µP Supervisory Circuit, Push-Pull Active-Low Reset	$ 0.64	2.2 to 3.1				1	√					0.23	1.0 to 3.6	SOT23-3
AS1902	230nA Low Power µP Supervisory Circuit, Push-Pull Active-High Reset	$ 0.64	2.2 to 3.1				1		√				0.23	1.0 to 3.6	SOT23-3
AS1903	230nA Low Power µP Supervisory Circuit, Open-Drain Active-Low Reset	$ 0.64	2.2 to 3.1				1			√			0.23	1.0 to 3.6	SOT23-3
AS1904	150nA Ultra Low Power µP Supervisory Circuit, Push-Pull Active-Low Reset	$ 0.80	2.2 to 3.1				1	√					0.15	1.0 to 3.6	SOT23-3
AS1905	150nA Ultra Low Power µP Supervisory Circuit, Push-Pull Active-High Reset	$ 0.80	2.2 to 3.1				1		√				0.15	1.0 to 3.6	SOT23-3
AS1906	150nA Ultra Low Power µP Supervisory Circuit, Open-Drain Active-Low Reset	$ 0.80	2.2 to 3.1				1			√			0.15	1.0 to 3.6	SOT23-3
AS1907	Low-Voltage µP Supervisory Circuit, Active-Low Push/Pull Reset	$ 0.48	1.6 to 2.5				1	√					2.6	0.7 to 3.6	SOT23-3
AS1908	Low-Voltage µP Supervisory Circuit, Active-High Push/Pull Reset	$ 0.48	1.6 to 2.5				1		√				2.6	0.7 to 3.6	SOT23-3
AS1909	Low-Voltage µP Supervisory Circuit, Open-Drain Reset	$ 0.48	1.6 to 2.5				1			√			2.6	0.7 to 3.6	SOT23-3
AS1910	Dual-Voltage Microprocessor Supervisory Circuits with Manual Reset and Watchdog	$ 1.63	1.58 to 3.6	Adjust.			1	√			√	√	5.8	1.0 to 3.6	SOT23-6
AS1911	Dual-Voltage Microprocessor Supervisory Circuits with Manual Reset and Watchdog	$ 1.63	1.58 to 3.6	Adjust.			2		√		√	√	5.8	1.0 to 3.6	SOT23-6
AS1912	Dual-Voltage Microprocessor Supervisory Circuits with Manual Reset and Watchdog	$ 1.63	1.58 to 3.6	Adjust.			2			√	√	√	5.8	1.0 to 3.6	SOT23-6
AS1913	Dual-Voltage Microprocessor Supervisory Circuits with Manual Reset and Watchdog	$ 1.63	1.58 to 3.6	0.9 to 2.5			2	√			√	√	5.8	1.0 to 3.6	SOT23-6
AS1914	Dual-Voltage Microprocessor Supervisory Circuits with Manual Reset and Watchdog	$ 1.63	1.58 to 3.6	0.9 to 2.5			2		√		√	√	5.8	1.0 to 3.6	SOT23-6
AS1915	Dual-Voltage Microprocessor Supervisory Circuits with Manual Reset and Watchdog	$ 1.63	1.58 to 3.6	0.9 to 2.5			2			√	√	√	5.8	1.0 to 3.6	SOT23-6
AS1916	Microprocessor Supervisory Circuits with Manual Reset and Watchdog	$ 1.63	1.58 to 3.6				1		√		√	√	5.5	1.0 to 3.6	SOT23-5
AS1917	Microprocessor Supervisory Circuits with Manual Reset and Watchdog	$ 1.08	1.58 to 3.6				1		√		√	√	5.5	1.0 to 3.6	SOT23-5
AS1918	Microprocessor Supervisory Circuits with Manual Reset and Watchdog	$ 1.08	1.58 to 3.6							√	√	√	5.5	1.0 to 3.6	SOT23-5
AS1920	Triple-Voltage Supervisory Circuit with Push/Pull Reset	$ 1.30	3	1.8	Adjust.		3	√					6.5	1.0 to 3.6	SOT23-5
AS1922	Triple-Voltage Supervisory Circuit with Open-Drain Reset	$ 1.30	3	1.8	Adjust.		3			√			6.5	1.0 to 3.6	SOT23-5
AS1923	Quad-Voltage Supervisory Circuit	$ 1.69	5.0, Adj.	3.3, 3.0	2.5, 1.8, Adj	-5.0, 1.8, Adj	4			√			6.5	1.0 to 3.6	SOT23-5
AS1925	Ultra-Low Voltage Supervisor with Manual Reset	$ 0.41	0.9, 1.2, 1.5					√	√			√	3.5	0.75 to 1.8	SOT23-5
AS1926	Ultra-Low Voltage Supervisor with Manual Reset	$ 0.41	0.9, 1.2, 1.5						√	√		√	3.5	0.75 to 1.8	SOT23-5

Comparators

Part No.	Description	Price (1k)*	Inputs	Output Type	Int. Hysteresis	Supply Current	Supply Voltage	Package
AS1970	Low Power Single Comparator, Push-Pull Output, SOT23-5	$ 0.60	1	Push/Pull	3	10	2.5 to 5.5	SOT23-5
AS1971	Low Power Single Comparator, Open-Drain Output, SOT23-5	$ 0.60	1	Open-Drain	3	10	2.5 to 5.5	SOT23-5
AS1972	Low Power Dual Comparator, Push-Pull Output, MSOP 8	$ 0.96	2	Push/Pull	3	17	2.5 to 5.5	MSOP-8
AS1973	Low Power Dual Comparator, Open-Drain Output, MSOP 8	$ 0.96	2	Open-Drain	3	17	2.5 to 5.5	MSOP-8
AS1974	Low Power Quad Comparator, Push-Pull Output, TSSOP 14	$ 1.26	4	Push/Pull	3	34	2.5 to 5.5	TSSOP-14
AS1975	Low Power Quad Comparator, Open-Drain Output, TSSOP 14	$ 1.26	4	Open-Drain	3	34	2.5 to 5.5	TSSOP-14
AS1976	Ultra-Low Current, 1.8V Comparator, Push/Pull Output	$ 0.58	1	Open-Drain	3	0.2	1.8 to 5.5	SOT23-5
AS1977	Ultra-Low Current, 1.8V Comparator, Open-Drain Output	$ 0.58	1	Open-Drain	3	0.2	1.8 to 5.5	SOT23-5

* This list pricing is BUDGETARY, for comparing similar parts. Prices are per unit on the basis of 1k pieces in U.S. dollars and subject to change, net of applicable taxes. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates.

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Supported Processors

Reference designs from processor vendors and partners of austriamicroysystems are available for many processor types.