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Maxim > Solutions > Automotive: Power

Low-Voltage Switching Converters with Integrated FET

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF 1MHz, 2A, 2.6V to 5.5V Input, PWM DC-DC Step-Down Regulator with Enable
MAX1951A

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A, PWM Step-Down DC-DC Regulator Requires Only 10µF Ceramic Capacitor
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
(V)
VIN
(V)
ICC
(mA)
Unadj. VOUT
(V)
IOUT
(A)
Oper. Freq.
(kHz)
Features Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
min max max typ max w/pins
MAX16945  Inverter 1.4 5.5 1.7 -2xVIN 0.03 125 Shutdown
-55 to +125
-40 to +105
SOT/6
9
See All Charge Pumps (48)

Key Specifications:  Inverting Switching Regulators
Part Number VIN
(V)
VIN
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Alternate Topology Oper. Freq.
(kHz)
Package/Pins Smallest Available Pckg.
(mm2)
min max max w/pins
MAX629  2.7 5.5 0.5 0.5 Resistor 1
Inverting
Step-Up
300
SOIC(N)/8
30.9
See All Inverting Switching Regulators (25)

Key Specifications:  Step-Down Switching Regulators
Part Number VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Preset VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)
Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX1951A NEW! 2.6 5.5 0.8 5 - 2 2 Resistor 1 1000
SOIC(N)/8
31
MAX15021  2.5 0.6 5.5 - - - Resistor 2 4000
TQFN/28
26
MAX15022  2.5 0.6 5.5 - - - Resistor 2 4000
TQFN/28
26
MAX8640Y  2.7 1 2.5
1
1.1
1.2
1.3
1.5
1.8
2.5
0.5 0.5
Preset
Resistor
1 2000
µDFN/6
SC70/6
1.6
MAX8640Z  2.7 1.1 1.8
1.1
1.2
1.3
1.5
1.8
0.5 0.5
Preset
Resistor
1 4000
µDFN/6
SC70/6
1.6
MAX1556  2.6 0.75 5.5
1.8
2.5
3.3
1.2 1.2
Preset
Resistor
1 1000
TDFN-EP/10
9.6
MAX1557  2.6 0.75 5.5
1
1.3
1.5
0.6 0.6
Preset
Resistor
1 1000
TDFN-EP/10
9.6
MAX8505  2.6 0.8 4.5 - 3 3 Resistor 1 1000
QSOP/16
30.9
MAX1951  2.6 0.8 5 - 2 2 Resistor 1 1000
SOIC(N)/8
31
MAX1952  2.6 1.8 1.8 1.8 2 2 Resistor 1 1000
SOIC(N)/8
31
MAX1572  2.6 0.75 2.5 - 0.8 0.8 Digital/VID 1 2000
TQFN/12
16.8
MAX1973  2.6 1.25 5
1.8
2.5
0.95 0.95
Preset
Resistor
1 1400
µMAX/10
15.4
MAX1974  2.6 0.75 5
1
1.5
0.95 0.95
Preset
Resistor
1 1400
µMAX/10
15.4
MAX1970  2.6 0.8 5
1.5
1.8
2.5
3.3
0.75 0.75
Preset
Resistor
2 1400
QSOP/16
30.9
MAX1971  2.6 0.8 5
1.5
1.8
2.5
3.3
0.75 0.75
Preset
Resistor
2 700
QSOP/16
30.9
MAX1972  2.6 0.8 5
1.5
1.8
2.5
3.3
0.75 0.75
Preset
Resistor
2 1400
QSOP/16
30.9
MAX1920  2 1.25 4 - 0.4 0.4 Resistor 1 1200
SOT/6
TDFN-EP/6
9
MAX1921  2 1.5 3.3
1.5
1.8
2.5
3
3.3
0.4 0.4
Preset
Resistor
1 1200
SOT/6
9
See All Step-Down Switching Regulators (264)

Key Specifications:  Step-Up Switching Regulators
Part Number VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)
Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX17067  2.6 4 1.25 18 0.3 0.3 Resistor 1 1200
µMAX/8
16.2
MAX1790  2.6 5.5 2.6 12 0.8 0.8 Preset 1200
µMAX/8
16.2
MAX8715  2.6 5.5 2.6 12 1.2 1.2 Resistor 1200
µMAX/8
16.2
MAX629  2.7 5.5 - - 0.5 0.5 Resistor 300
SOIC(N)/8
30.9
See All Step-Up Switching Regulators (90)



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