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G5806 Datasheet(PDF) 1 Page - Global Mixed-mode Technology Inc |
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G5806 Datasheet(HTML) 1 Page - Global Mixed-mode Technology Inc |
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1 / 1 page  Ver: 0.3 Oct 31, 2008 TEL: 886-3-5788833 http://www.gmt.com.tw 1 G5806 Global Mixed-mode Technology Inc. Single Cell Li-Ion Battery Linear Charger Features No External Power MOSFET, Sense Resistor or Blocking Diode Required 1% Regulation Voltage Accuracy Programmable Constant Charge Current Limit up to 800mA Automatic Recharge Complete Pre-Charge, Constant Current, Constant Voltage and Charge Termination Charge Procedure Support for 5V Power Supply Voltage Internal Input Overvoltage Lockout Protection Circuit (VIN >6.5V) Internal Thermal Protection Circuit TSOT-23-5 Package Applications MP3 Players Cellular Phones PDAs Hand-Held Devices General Description The G5806 is a standalone linear Li-Ion battery charger with a complete pre-charge, constant-current and constant-voltage charge loop. No external power MOSFET, sense resistor and block- ing diode is required due to internal power MOSFET architecture. The charge voltage is regulated at 4.2V, and the charge current is programmable by an exter- nal resistor. After the final regulation voltage is reached and the charge current drops to 1/10th the programmed charge current, the open drain NMOS CHRG pin would be turn off automatically without terminating the charge loop. Other features include under voltage lockout, auto- matic recharge, over temperature protection and a charge status indication pin. Ordering Information ORDER NUMBER MARKING TEMP. RANGE PACKAGE (Pb free) G5806TO1U 5806x -40°C ~ +85°C TSOT-23-5 Note:TO: TSOT-23-5 1: Bonding Code U: Tape & Reel Pin Configuration Typical Application Circuit PROG TSOT-23-5 5 4 1 CHRG 2 3 GND BAT BAT PROG GND G5806 2k V IN 4.5V to 6.5V G5806 VIN 1µF 500mA Single Cell Li-Ion Charger Li-lon Battery VIN CHRG 300 Ω VIN LED 1.5 Ω * *1.5Ω resistor in series with a ceramic capacitor will minimize the start-up voltage overshoot transients PROG TSOT-23-5 5 4 1 CHRG 2 3 GND BAT BAT PROG GND G5806 2k V IN 4.5V to 6.5V G5806 VIN 1µF 500mA Single Cell Li-Ion Charger Li-lon Battery VIN CHRG 300 Ω VIN LED 1.5 Ω * *1.5Ω resistor in series with a ceramic capacitor will minimize the start-up voltage overshoot transients |
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