TXS4558
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ti.
com
SLLSE93A – SEPTEMBER 2011 – REVISED SEPTEMBER 2011
Dual-SIM Card Power Supply with Level Translator and Dedicated Dual LDO
Check for Samples: TXS4558
FEATURES
1
• Level Translator – VCC Range of 1.
65 V to 3.
3 V – VBATT Range of 2.
3V to 5.
5V
• Low-Dropout (LDO)
Regulator – 50-mA LDO
Regulator With Enable – 1.
8-V or 2.
95-V Selectable Output Voltage – Very Low Dropout: 100 mV (Max) at 50 mA
• Control and Communication Through GPIO Interface with Baseband Processor
• Isolated Clock Stop Mode for both SIM1 and SIM2 cards
• ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-B) – 500-V Charged-Device Model (C101) – 8kV HBM for SIM pins
• Package – 20-Pin QFN (3 mm...