DC-DC Converter Power IC
DC-DC Converter Power IC
R/C L.Active
18
ON
Vref 11
ON /OFF Control
19 Vcc Vboot 20
UVLO Start= 7.2V Stop= 6.7V
BOO...
Description
DC-DC Converter Power IC
R/C L.Active
18
ON
Vref 11
ON /OFF Control
19 Vcc Vboot 20
UVLO Start= 7.2V Stop= 6.7V
BOOT Vref = 6.5V
VB 8
HighSide Vref =VOUT+ 5.8V
VGH 7
VDD 36
Bandgap Reference 5.0V 5% Error Amp
0.8 V
13 amp-
12 ampOUT
TSD
100 150
High / Low MOS OFF
HighSide Driver
PWM Comp
OSC
3V 1V
Q RS
CLM Vth= 0.1 0.2V
Dead Time Control
LowSide Vref=6.5V
LowSide Driver
VOUT 1,2, 22 25
P.GND 26
10 OSC
14 15 16
9,17
21
S/S
OCL- OCL+ GND
VGL
Vi GND
Vo
GND
SHINDENGEN MD1424R P
5.3V
1 26 2 25 3 24 4 23 5 22 6 21 7 20 8 19 9 18 10 17 11 16 12 15 13 14
1, 2, 22 25 36 7 8 9, 17 10 11 12 13
VOUT VDD
VGH VB GND OSC Vref ampOUT amp-
14 15 16 18 19 20 21 26
S/S OCL OCL+ R/C VCC Vboot
VGL P.GND
Speciļ¬cations
www.shindengen.co.jp/product/semi/
U095-6
39
DC-DC Converter Power IC
MOSFET ave peak
OCL ,OCL /
V V I I
V V
1 CEM-3
50.8 50.8mm2
3 PD1 ja1 jc1
1
1mm PD2
PD1 PD2 Ta-ope
Tstg Tj ja1 ja2
jc1 jc2
ja2 jc2
300mm2 2
42 42 3 4 5.5 5.5
1.1 1.5 30 85 4...
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