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The MAX1640/MAX1641 CMOS, adjustable-output, switch-mode current sources operate from a +5.5V to +26V input, and are ideal for microprocessor-controlled battery chargers. Charging current, maximum output voltage, and pulse-trickle charge are programmed with external resistors. Programming the off-time modifies the switching frequency, suppressing undesirable.
o 95% Efficiency o +5.5V to +26V Input Supply Range o 2V to 24V Adjustable-Output Voltage Range o 100% Maximum Duty Cycle (Low Dropout) o Up to 500kHz PWM Operation o Optional Synchronous Rectifier o 16-Pin QSOP Package o Current-Sense Accuracy: 2% (MAX1641) 5.3% (MAX1640) _______________General Description The MAX1640/MAX1641 CMOS, adjustable-output, switch-mode current sources operate from a +5.5V to +26V input, and are ideal for microprocessor-controlled battery chargers. Charging current, maximum output voltage, and pulse-trickle charge are programmed with external resistors. Programming .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | MAX164 |
Maxim Integrated Products |
(MAX163 - MAX167) CMOS 12-Bit A/D Converters |
|
| 2 | MAX1641 |
Maxim |
Adjustable-Output / Switch-Mode Current Sources |
|
| 3 | MAX1642 |
Maxim |
High-Efficiency / Step-Up DC-DC Converters for 1V Inputs |
|
| 4 | MAX1643 |
Maxim |
Step-Up DC-DC Converters |
|
| 5 | MAX1644 |
Maxim |
Advanced Chemistry-Independent / Level 2 Battery Charger |
|
| 6 | MAX1645 |
Maxim |
Level 2 Battery Chargers |
|
| 7 | MAX1645A |
Maxim Integrated |
Level 2 Battery Chargers |
|
| 8 | MAX1647 |
Maxim |
Chemistry-Independent Battery Chargers |
|
| 9 | MAX1648 |
Maxim |
Chemistry-Independent Battery Chargers |
|
| 10 | MAX1649 |
Maxim |
Step-Down DC-DC Controllers |
|
| 11 | MAX16491 |
Analog Devices |
Step-Down Switching Regulator |
|
| 12 | MAX160 |
Maxim |
uP Compatible 8 Bit A/D Converter |
|