DC-DC Converter Power IC 5V N/C 7,12 21 Vref 26 Vcc 5 Vboot 6 UVLO Start =11.
3V Stop =10.
8V BOOT Vref =11V VB 23 HighSide Vref =VOUT+10V VG 22 Bandgap Reference 5.
0V 5% 100 150 TSD Error Amp PWM Comp Main Switch MOS OFF HighSide Driver VDD TAB2 VOUT TAB1 2.
45V OSC f =250kHz 25 28 27 CHG amp- ampOUT 3V 1V Q RS CLM Vth= 0.
1 0.
2V 1 S/S 23 4,24 F/B OCL+ GND OCL- 8 11 P.
GND Vi GND Vo GND 1 2 3 4 5 6 7 TAB1 8 9 10 11 12 13 14 SHINDENGEN MD1320F P 28 27 26 25 24 23 22 TAB2 21 20 19 18 17 16 15 1 2 3 4, 24 5 6 7, 12 21 TAB1 S/S F/B OCL- OCL+ GND VCC Vboot N/C VOUT 8 11 TAB2 22 23 25 26 27 28 P.
GND VDD VG VB CHG Vref ampOUT amp- Specifications www.
shindengen.
co.
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