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LP3921 数据表(PDF) 3 Page - Texas Instruments |
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LP3921 数据表(HTML) 3 Page - Texas Instruments |
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3 / 44 page  CORE 1.8V @300 mA DIGI 3.0V @300 mA TCXO 3.0V @80 mA ANA 3.0V @80 mA RX 3.0V @150 mA TX 3.0V @150 mA LDO6 LDO5 LDO3 LDO4 LDO2 LDO1 LDO1 LDO2 LDO4 LDO3 LDO5 LDO6 1 PF 10 PF 10 PF LP3921 SDA SCL HF_PWR PWR_ON PS_HOLD 1.5k 1.5k Serial Interface and Control VBATT TCXO_EN RX_EN LDO2 Thermal Shutdown Voltage Reference UVLO + Battery PON_N RESET_N ACOK_N AC Adapter or VBUS supply 4.5V to 6V VBATT 320 ms debounce 30 ms debounce 320 ms debounce LDO2 O/D output LDO2 TX_EN IMON 10 PF LDO7 LDO7 GP 3.0V @150 mA 1 PF 1 PF 1 PF 1 PF 1 PF 1 PF BOOMER AUDIO VO+ VO- 20k 20k 20k 20k - Differential Input + Differential Input RL 8: VO+ VO- 1.0 PF -IN +IN 1.0 PF VDD Shut Down Linear Charger LP3921 www.ti.com SNVS580A – AUGUST 2008 – REVISED MAY 2013 Functional Block Diagram Copyright © 2008–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LP3921 |
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