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Maxim > Solutions > Automotive: Power

Low-Voltage Switching Converters with Integrated FET

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF 30mA Inverting Charge Pump in SOT23 for EMI-Sensitive Automotive Applications
MAX16945

Low-EMI, Automotive-Qualified Charge Pump in SOT23 Package that Operates at 105°C
QV  PDF Dual, 4A/2A, 4MHz, Step-Down DC-DC Regulator with Dual LDO Controllers
MAX15022

4MHz, Dual Synchronous Regulator Delivers 4A/2A in a Small 5mm × 5mm Package
QV  PDF Dual, 4A/2A, 4MHz, Step-Down DC-DC Regulator with Tracking/Sequencing Capability
MAX15021

4MHz, Dual Synchronous Regulator Delivers 4A/2A in a Small 5mm × 5mm Package
QV  PDF Low-Noise Step-Up DC-DC Converter
MAX17067

Compact, High-Efficiency Boost Converter
QV  PDF Tiny 500mA, 4MHz/2MHz Synchronous Step-Down DC-DC Converters
MAX8640Y, MAX8640Z

Space-saving, high-frequency, low-ripple, very accurate buck converter
QV  PDF 16µA IQ, 1.2A PWM Step-Down DC-DC Converters
MAX1556, MAX1556A, MAX1557

16µA Quiescent Current, 1.2A and 600mA, Step-Down Converters are 95% Efficient at 1mA
QV  PDF 3A, 1MHz, 1% Accurate, Internal Switch Step-Down Regulator with Power-OK
MAX8505
QV  PDF 800mA, 2MHz, PWM DC-to-DC Step-Down Converter with Reset
MAX1572

First 800mA, Sub-1V, 2MHz, PWM, Step-Down DC-DC Uses Tiny 2.2µH Inductor, Includes Reset Output
QV  PDF 1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-to-DC Regulators
MAX1951, MAX1952

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-DC Regulators Require Only 10µF Ceramic Capacitor
QV  PDF Smallest 1A, 1.4MHz Step-Down Regulators
MAX1973, MAX1974
QV  PDF Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23
MAX1920, MAX1921
QV  PDF Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-Down Regulator with POR and RSI/PFO
MAX1970, MAX1971, MAX1972

Smallest Internal Switch Dual Step-down for GBICs , xDSL Modems & USB Powered Devices
QV  PDF Low-Noise Step-Up DC-DC Converters
MAX1790, MAX8715

Compact, High-Efficiency Boost Converter
QV  PDF 28V, Low-Power, High-Voltage, Boost or Inverting DC-DC Converter
MAX629



Key Specifications:   Charge Pumps
Part Number Topology VIN (min) (V) VIN (max) (V) Operating Current, ICC (max) (mA) Unadjusted VOUT (V) IOUT (typ) (A) Operating Frequency (kHz) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX16945  Inverter 1.4 5.5 1.7 -2xVIN 0.03 125
•Shutdown
 SOT/6 9 -55 to +125
-40 to +105
See All Charge Pumps (51)

Key Specifications:   Inverting Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Alternate Topology Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
MAX629  2.7 5.5 0.5 0.5 Resistor 0.08 1 Inverting
Step-Up 		300 SOIC(N)/8 31
See All Inverting Switching Regulators (22)

Key Specifications:   Step-Down Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) Preset VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
MAX15022  2.5 5.5 0.6 5.5  -   -   -  Resistor 6 2 4000 TQFN/28 26
MAX15021  2.5 5.5 0.6 5.5  -   -   -  Resistor 6 2 4000 TQFN/28 26
MAX8640Y  2.7 5.5 1 2.5 1.0
1.1
1.2
1.3
1.5
1.8
2.5 		0.5 0.5 Preset
Resistor 		0.048 1 2000 µDFN/6
SC70/6 		2
MAX8640Z  2.7 5.5 1.1 1.8 1.1
1.2
1.3
1.5
1.8 		0.5 0.5 Preset
Resistor 		0.048 1 4000 µDFN/6
SC70/6 		2
MAX1556  2.6 5.5 0.75 5.5 1.8
2.5
3.3 		1.2 1.2 Preset
Resistor 		0.016 1 1000 TDFN-EP/10 10
MAX1557  2.6 5.5 0.75 5.5 1.0
1.3
1.5 		0.6 0.6 Preset
Resistor 		0.016 1 1000 TDFN-EP/10 10
MAX8505  2.6 5.5 0.8 4.5  -  3 3 Resistor 10 1 1000 QSOP/16 31
MAX1951  2.6 5.5 0.8 5  -  2 2 Resistor 10 1 1000 SOIC(N)/8 31
MAX1952  2.6 5.5 1.8 1.8 1.8 2 2 Resistor 10 1 1000 SOIC(N)/8 31
MAX1572  2.6 5.5 0.75 2.5  -  0.8 0.8 Digital/VID 0.08 1 2000 TQFN/12 17
MAX1973  2.6 5.5 1.25 5 1.8
2.5 		0.95 0.95 Preset
Resistor 		7.5 1 1400 µMAX/10 15
MAX1974  2.6 5.5 0.75 5 1.0
1.5 		0.95 0.95 Preset
Resistor 		7.5 1 1400 µMAX/10 15
MAX1970  2.6 5.5 0.8 5 1.5
1.8
2.5
3.3 		0.75 0.75 Preset
Resistor 		20 2 1400 QSOP/16 31
MAX1971  2.6 5.5 0.8 5 1.5
1.8
2.5
3.3 		0.75 0.75 Preset
Resistor 		10 2 700 QSOP/16 31
MAX1972  2.6 5.5 0.8 5 1.5
1.8
2.5
3.3 		0.75 0.75 Preset
Resistor 		20 2 1400 QSOP/16 31
MAX1920  2 5.5 1.25 4  -  0.4 0.4 Resistor 0.07 1 1200 SOT/6
TDFN-EP/6 		9
MAX1921  2 5.5 1.5 3.3 1.5
1.8
2.5
3.0
3.3 		0.4 0.4 Preset
Resistor 		0.07 1 1200 SOT/6 9
See All Step-Down Switching Regulators (252)

Key Specifications:   Step-Up Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
MAX629  2.7 5.5  -   -  0.5 0.5 Resistor 0.08 1 300 SOIC(N)/8 31
MAX17067  2.6 4 1.25 18 0.3 0.3 Resistor 0.6 1 1200 µMAX/8 16
MAX1790  2.6 5.5 2.6 12 0.8 0.8 Preset 0.35 1 1200 µMAX/8 16
MAX8715  2.6 5.5 2.6 12 1.2 1.2 Resistor 0.35 1 1200 µMAX/8 16
See All Step-Up Switching Regulators (93)
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