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Maxim > Solutions > Ethernet Demarcation
Power Supply
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| Display |
Title / Parts |
Key Advantages |
| 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 |
Low-Dropout, Low-IQ, 1A Linear Regulator
MAX1793
| 1A LDO Has Only 210mV Dropout Voltage, Fits in 1.7W Package, Which Is 30% Smaller Than SOT23 |
| Key Specifications:
Linear Regulators |
| Part Number |
Regulators per Pkg. |
Min. VIN (V) |
Max. VIN (V) |
Preset VOUT (V) |
Min. Adjustable VOUT (V) |
Max. Adjustable VOUT (V) |
Typ. VDROPOUT@ Rated ILOAD (V) |
Rated ILOAD (mA) |
Max. ICC (µA) |
Low Battery/ Power Fail Output |
Nominal POK/Reset Threshold (V) |
Watchdog |
Reverse Battery Protection |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
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MAX1793
|
1
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2.5
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5.5
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2.5
3.3
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1.25
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5
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0.21
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1,000
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200
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No
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Vout-6%
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No
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No
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TSSOP-EP/16
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33
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-40 to +85
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| See All Linear Regulators (145) |
| 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) |
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MAX1556
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2.6
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5.5
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0.75
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5.5
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1.8
2.5
3.3
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1.2
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1.2
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Preset
Resistor
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0.016
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1
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1000
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TDFN-EP/10
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10
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MAX1557
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2.6
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5.5
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0.75
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5.5
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1.0
1.3
1.5
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0.6
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0.6
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Preset
Resistor
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0.016
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1
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1000
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TDFN-EP/10
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10
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| See All Step-Down Switching Regulators (252) |
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