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Maxim > Solutions > Automotive: Body Computer
Secondary Supply
Challenges: Point-of-load (POL) applications, sits behind overvoltage protection or primary supply.
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| 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 |
High-Voltage, Step-Down DC-DC Controller in µMAX
MAX1744, MAX1745
| High-Voltage, Step-Down DC-DC Controller in µMAX |
| QV PDF |
12V, Ultra-Low-IQ, Low-Dropout Linear Regulators with POK
MAX8880, MAX8881
| 12V, Ultra-Low-IQ, Low-Dropout Linear Regulators with POK |
| QV PDF |
150mA, Low-Dropout Linear Regulator with Power OK Output
MAX8875
| SOT23 Low-Dropout Regulators Give Longest Battery Life |
| QV PDF |
Low-Dropout, 300mA Linear Regulator in µMAX
MAX8860
| Low-Noise, Lowest-Dropout 300mA (Guaranteed) Regulator in µMAX |
| 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) |
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MAX16945
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Inverter
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1.4
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5.5
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1.7
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-2xVIN
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0.03
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125
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SOT/6
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9
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-55 to +125
-40 to +105
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| See All Charge Pumps (51) |
| 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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MAX8875
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1
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2.5
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6.5
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1.5 to 5.0
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-
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-
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0.16
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150
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180
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Yes
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Vout-10.5%
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No
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Yes
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SOT/5
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9
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-40 to +85
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MAX8880
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1
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2.5
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12
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-
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1.25
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5
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0.36
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200
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10
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No
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Vout-9.5%
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No
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Yes
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SOT/6
TDFN-EP/6
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9
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-40 to +85
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MAX8881
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1
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2.5
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12
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1.8
2.5
3.3
5.0
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-
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-
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0.36
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200
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10
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No
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Vout-9.5%
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No
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Yes
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SOT/6
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9
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-40 to +85
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MAX8860
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1
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2.5
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6.5
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1.8
2.5
2.77
2.82
3.0
3.3
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1.25
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6.5
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0.15
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300
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270
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No
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Vout-4%
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No
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Yes
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µMAX/8
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16
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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 |
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MAX1744
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4.5
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36
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3.3
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5
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3.3
5.0
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10
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10
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Preset
Resistor
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0.14
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1
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330
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0/0
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MAX1745
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4.5
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36
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1.25
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18
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-
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10
|
10
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Resistor
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0.14
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1
|
330
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0/0
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| See All Step-Down Switching Regulators (252) |
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