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DC-DC Converter Power IC
˓ೖྗిѹൣғ ʙ 7
˓ग़ྗిѹൣғ 77ʢସࢠͰબՄೳʣ
ʙ 7ʢ֎෦߅ʹΑΓҙʹઃఆՄೳʣ
˓࠷େग़ྗిྲྀ "
˓ൃৼप LL)[
ʢൃৼपସࢠͰબՄೳʣ
˓)JHITJEF.04'&5ɺಉظྲྀ༻.04'&5ଂ ˓ϦϞʔτίϯτϩʔϧ0/0''ػೳଂ ˓ΧοτΦϑݕग़ػೳʢ-$ࢠͰબՄೳʣ ˓աిྲྀอػޢೳଂʢ0/߅ݕग़ɺ֎෦߅ݕग़ʣ ˓աอػޢೳଂ
݁ઢग़ྗՄมɺf=300kHzɺLC=OFFɺON ߅ݕग़࣌
˞ N/C : 10,15,17,22
˞
߅
Vcc 6
R/C (L.Active)
ON
1
ON/ OFF CONTROL
Vref
S/S 32
BANDGAP REFERENCE
1.26Vʶ1 %
UVLO
ʵ
Vcc
ʴ
THERMAL SHUTDOWN
ʴ
SRQ
ʵ
LATCH
Vref 2
ʴ
ʴ
ʵ
ʵ
Vboot
VB VGH
7 24 23 18ʙ21 VDD
LATCH QRS
CURRENT LIMIT1
ʴ ʵ
VOUT 11ʙ14
Vi GND
Vo
ampOUT 28
ERROR-AMP
29 ʵ
amp -
ʴ
PWM-COMP ʴ ʴ ʵ
OCL-
OSC
CURRENT
LIMIT2
ʴ
SRQ
ʵ
LATCH
Vref VOUT
CURRENT LIMIT3
ʵ
ʴ
GND
4,26 OSC 3 31 30 25 27
ampIN
Vref 2.5V/3.