DC-DC Converter Power IC
R/C L.Active ON 2
OSC 3
S/S 4
ON /OFF CONTROL
START UP START=7.2V
STOP= 6.7V
100 Vref
BAND...
DC-DC Converter Power IC
R/C L.Active ON 2
OSC 3
S/S 4
ON /OFF CONTROL
START UP START=7.2V
STOP= 6.7V
100 Vref
BANDGAP Vref=4.2V 5% 150
UVLO
TSD
190uA
Vref 2uA
OSC
1.8V
LATCH
S RQ
0.8V
6 ampout
0.8V
7 amp-
0.65V
ERROR AMP
UVP COMP
Vin 1
OCL COMP
L/S
Vref TIMER COMP
Vout 8
3V
5 GND
Vi GND
Vo GND
MD5031 TB
1 8 1 Vin
2
7
2 R/C 3 OSC
3
6
4 S/S 5 GND
4
5
6 ampout 7 amp-
8 Vout
Speciļ¬cations
www.shindengen.co.jp/product/semi/
U095-6
5
DC-DC Converter Power IC
Vin 26 R/C V 5.5
PD 0.85
Ta-ope Tstg Tj
40 85 40 150
150
ja 148 jc 12
1
50.8 50.8mm2
1mm
2
4% 0%
Ta=25
V V W
/W /W
ave peak
ON
3 4 5 6
Tj
P46
7 ON Ton Vo V / Vin V Io Ron f
Tj Vi Vo I I
frq
40 125 8 24 0.8 20 1 1.4
100 500 600
f
V V A A kHz ns
Tj=100
High side
MOSFET
Diode IC
f=100kHz f=500kHz OFF
1 f=100kHz 2 f=500kHz
ON OFF
SoftStart ErrorAmp
UVP
V I R V
I I I V V f f V V
I I Vamp Ith Vth T
I =5 A, V =0V
V =26V, V =0V I =1A, V =12V I =1A, V =0V
Vin=8 Vin=8 Vin=8
24V 24V 24...
