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DC-DC Converter Power IC
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˓ೖྗిѹൣғ ʙ 7 ˓ग़ྗిѹൣғ 77ʢग़ྗସࢠͰબՄೳʣ ˓࠷େग़ྗిྲྀ " ˓ൃৼप L)[
˓ϝΠϯεΠον.04'&5ɺϑϥΠϗΠʔϧ༻4#%ଂ ˓աిྲྀอػޢೳଂ ˓աอػޢೳଂ
݁ઢ 5V ࣌
˞N/Cɿ7,12ʙ21
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 5.0Vʶ5 %
100ˆ 150ˆ
TSD
Main Switch MOS OFF
Error Amp
PWM Comp
HighSide Driver
VDD TAB2
VOUT TAB1
2.45V
OSC f =250kHz
25 28
27
CHG
amp-
ampOUT
3V 1V
Q RS
CLM Vth= 0.1ʙ0.2V
1 S/S
23
4,24
F/B OCL+ GND OCL-
8ʙ11 P.
MD1320F Datasheet
