Product Details
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General Description The MAX1686 provides power for dual-voltage subscriber ID module (SIM) cards in portable applications such as GSM cellular phones. Designed to reside in the portable unit (cellular phone handset), the 1MHz charge pump converts a 2.7V to 4.2V input to regulated 5V output. The MAX1686H has a nominal output voltage of 5.0V, while the MAX1686 is set to 4.75V to reduce SIM card current drain. The charge pump has only 45μA quiescent supply current, which reduces to 3μA when a 3V-capable SIM card is being powered and the charge pump is disabled. An internal input/output shorting switch provides power for 3V SIM cards. The MAX1686/MAX1686H require only three external capacitors around their space-saving, thin (1mm) 8-pin μMAX packages. Features ? 2.7V to 4.2V Input Range ? 12mA min Charge-Pump Output Current ? 45μA Quiescent Supply Current ? 0.1μA Supply Current in Shutdown Mode ? 5.0V Regulated Charge-Pump Output (MAX1686H) 4.75V Regulated Charge-Pump Output (MAX1686) ? Input-Output Shorting Switch for 3V Cards ? Small External Components (Uses a 0.047μF, 0.1μF, and a 2.2μF Capacitor) ? Output Driven to Ground in Shutdown Mode ? Super-Small 8-Pin μMAX Package ? Soft-Start and Short-Circuit Protection Applications GSM Cellular Phones PCS Phones Portable POS Terminals Personal Communicators |
Product Description
| Type | Description |
| ANSC PART# | ANSC- MAX1686HEUA |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| Special Purpose Regulators | |
| Manufacturer | Original |
| Series | - |
| Packaging | Tube |
| Part Status | Obsolete |
| Applications | Charge Pump, SIM Cards |
| Voltage - Input | 2.7V ~ 4.2V |
| Number of Outputs | 1 |
| Voltage - Output | 5V |
| Operating Temperature |
-40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-uMAX/uSOP |
| Base Product Number | MAX1686 |
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