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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 Thresh.
(V) |
ICC
(µA) |
Features |
RoHS Available |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Oper. Temp.
(°C) |
| max |
max w/pins |
| MAX8568A |
|
5 |
| Adjustable Reset Input | | Batt Freshness Seal | | Power Fail Comparator |
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Yes |
|
10 |
-40 to +85 |
| MAX8568B |
See Data Sheet |
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See All Battery Backup Circuits (86)
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| Key Specifications: Step-Up 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 |
| MAX1722 |
0.8 |
5.5 |
2 |
5.5 |
- |
0.15 |
0.15 |
Resistor |
1 |
- |
|
8 |
| MAX1723 |
0.8 |
2 |
5.5 |
- |
Resistor |
- |
|
8 |
| MAX1724 |
0.8 |
2.7 |
5 |
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Preset |
- |
|
8 |
| MAX1832 |
1.5 |
2 |
5.5 |
- |
Resistor |
500 |
|
9 |
| MAX1833 |
1.5 |
3.3 |
3.3 |
3.3 |
Preset |
500 |
|
9 |
| MAX1834 |
1.5 |
2 |
5.5 |
- |
Resistor |
500 |
|
9 |
| MAX1835 |
1.5 |
3.3 |
3.3 |
3.3 |
Preset |
500 |
|
9 |
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See All Step-Up Switching Regulators (91)
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