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Maxim > Solutions > Digital Cameras (DIGICAMs)
Back-Up Battery Switch-Over Power Supplies
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
Complete Backup-Management ICs for Lithium and NiMH Batteries
MAX8568A, MAX8568B
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| QV PDF |
1.5µA IQ, Step-Up DC-DC Converters in Thin SOT23-5
MAX1722, MAX1723, MAX1724
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| QV PDF |
High-Efficiency Step-Up Converters with Reverse Battery Protection
MAX1832, MAX1833, MAX1834, MAX1835
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| Key Specifications:
Battery Backup Circuits |
| Part Number |
Reset Threshold Range (V) |
Max. ICC (µA) |
Features |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
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MAX8568A
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2.5 to 3.3
3.3 to 5.5
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5
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TQFN/16
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10
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-40 to +85
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MAX8568B
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2.5 to 3.3
3.3 to 5.5
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5
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TQFN/16
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10
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-40 to +85
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| See All Battery Backup Circuits (86) |
| Key Specifications:
Step-Up 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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MAX1722
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0.8
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5.5
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2
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5.5
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-
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0.15
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0.15
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Resistor
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0.0035
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1
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-
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TSOT/5
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8
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MAX1723
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0.8
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5.5
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2
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5.5
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-
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0.15
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0.15
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Resistor
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0.0035
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1
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-
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TSOT/5
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8
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MAX1724
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0.8
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5.5
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2.7
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5
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2.7
3.0
3.3
5.0
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0.15
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0.15
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Preset
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0.0035
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1
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-
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TSOT/5
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8
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MAX1832
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1.5
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5.5
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2
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5.5
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-
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0.15
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0.15
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Resistor
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0.008
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1
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500
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SOT/6
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9
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MAX1833
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1.5
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5.5
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3.3
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3.3
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3.3
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0.15
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0.15
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Preset
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0.008
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1
|
500
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SOT/6
TDFN-EP/6
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9
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MAX1834
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1.5
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5.5
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2
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5.5
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-
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0.15
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0.15
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Resistor
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0.008
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1
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500
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SOT/6
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9
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MAX1835
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1.5
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5.5
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3.3
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3.3
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3.3
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0.15
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0.15
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Preset
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0.008
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1
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500
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SOT/6
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9
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| See All Step-Up Switching Regulators (93) |
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