SS6578 ETC-unknow, SS6578 Datasheet - Page 10

• Manufacturer Part Number: SS6578
• Description: High Efficiency Step Down Dc/dc Controller
• Manufacturer: ETC-unknow

Rev.2.02 4/06/2004
C1
1
240K
Short Circuit Protection
R1
10K
R2
470 /16V
LL4148
C5
+V
12V
IN
+
Q1
PNP
mmbt3906
20mR
Rs
680
D1
R6
Fig 13. Add A Short Circuit Protection Circuit Solution
0.1 F
C2
Q2
C5
+
Fig 12. Add a Fast Fuse Solution
www.SiliconStandard.com
470 F
20mR
16V
+V
D3
6.8V
Rs
680
R6
IN
12V
C2
0.1 F
D2
SS32
Q2
1
2
3
4
VIN
DUTY
SHDN
FB
U2 SS6578
L2 33 H
D3
6.8V
GND
D2
SS32
CS+
DRI
CS-
1
2
3
4
VIN
DUTY
SHDN
FB
U2 SS6578
L2 33 H
8
7
6
5
1500 F/6.3V
GND
CS+ 8
DRI
CS- 7
C4
6
5
+
1500 F
6.3V
R8
12K
R9
3K9
FUSE1
Fast 3A
C4
+V
+V
+
OUT
OUT
3K9
R8
12K
R9
, 5V/2A
, 5V/2A
SS6578
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