DC-DC Converter Power IC
DC-DC Converter Power IC
f=300kHz LC=OFF ON
N/C : 10,15,17,22
Vcc 6
R/C (L.Active)
ON 1
ON/ OFF CONTROL
Vref
S/S 3...
Description
DC-DC Converter Power IC
f=300kHz LC=OFF ON
N/C : 10,15,17,22
Vcc 6
R/C (L.Active)
ON 1
ON/ OFF CONTROL
Vref
S/S 32
BANDGAP REFERENCE
1.26V 1%
UVLO
THERMAL SHUTDOWN
Vcc
SRQ LATCH
Vref 2
Vboot
VB VGH
7 24 23 18 21 VDD
LATCH QRS
CURRENT LIMIT1
VOUT 11 14
ampOUT 28
ERROR-AMP
29 amp -
PWM-COMP OCL-
OSC
CURRENT LIMIT2 SRQ LATCH
Vref
CURRENT LIMIT3
VOUT
GND
4,26 OSC 3 31 30 25 27
ampIN
Vref 2.5V/3.3V
OCL+
OCL-
LC 5
INVL
SRQ LATCH
P.GND1 8
9 VGL
16 P.GND2
Vi GND
Vo
GND
1 32
SHINDENGEN MD3222N P
2 3
31 30
1 R/C 16 P.GND2
4
29
2
Vref 18 21
VDD
5 6
28 27
3
OSC
23
VGH
7
26
4, 26
GND
24
VB
8 9
25 24
5 LC 25 OCL+
10 11 12
23 22 21
6 VCC 27 OCL-
7
Vboot
28 ampOUT
13 14 15
20 19 18
8
P.GND1
29
amp-
9 VGL 30 ampIN
16
17
10, 15, 17, 22
N/C
31 2.5V/3.3V
11 14
VOUT
32
S/S
Speciļ¬cations
www.shindengen.co.jp/product/semi/
U095-6
15
DC-DC Converter Power IC
MOSFET ave peak
VV Vboot R/C OSC LC amp-
OCL ,OCL
Vref
1
56 39mm...
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