R5538D
Power Switch IC for Express Card
The R5538 is the power interface switch IC for single slot ExpressCard and realizes the total power management function required by ExpressCard. The R5538 distributes 3.3V, 3.3Vaux, and 1.5V to the ExpressCard socket. Each voltage line is protected with a built-in current limit circuit and a thermal shutdown circuit in the R5538.
The R5538 is the power interface switch IC for single slot ExpressCard and realizes the total power management function required by ExpressCard. The R5538 distributes 3.3V, 3.3Vaux, and 1.5V to the ExpressCard socket. Each voltage line is protected with a built-in current limit circuit and a thermal shutdown circuit in the R5538.
| Meets the Express Card TM Standard |
| Built-in Over-current Limit |
| Built-in Clock Enable Function |
| With 3.3VIN and 3.3V AUXIN Sequence |
| Package QFN-20 |
- ・Express Card
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Technical Information on Ricoh Power Management ICs.
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