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
...
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-
Speciļ¬cations
www.shindengen.co.jp/product/semi/
U095-6
25
DC-DC Converter Power IC
MOSFET ave peak
OCL ,OCL
1
55 70mm2
1mm
2
V V I I V
PD Ta-ope
Tstg Tj ja jc
89.9%
32 32 3 4 5.5
89.9%
4 10 80 40 150
150 30 7
Ta=25
V V A A V W
/W /W
3 4
High side
MOSFET
Di Low side SBD
IC
BOOT
SoftStart H CHG L CHG
5V 3.3V
Tj 10...