SS6578 ETC-unknow, SS6578 Datasheet - Page 7

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

Rev.2.02 4/06/2004
APPLICATION EXAMPLES
+
C12
1 F
NOTE:
Fig. 9 Battery Charger Circuit with High-Side Current-Sensing Constant Current Source
100 F
C1
BAT1
V
5~8V
+
V
IN
BATT
R
R
R
Efficiency>90%, measured at CS- node
3~5 NiMH/NiCd Cells
Q1
S
S
S
=0.1 , charge current =0.5A 10%, V
=0.05 , charge current =1A 10%, V
=0.033 , charge current =1.5A 10%, V
U3
VIN
R9
100K
R7
**
R8
240K
RY
100K
78L05
MMBT2222A
GND
0.1 F
4.7 F
+
C2
C9
100K
VOUT
0.1 F
SS32
RX
C6
R4
1K
D1
Q2
R6
1M
R1
C7
0.1 F
R10
100K
20/5W
R2
www.SiliconStandard.com
R
R13
470K
1M
DUTY
(Continued)
+
100 F
47nF
C11
+
C10
33 H
U1
VIN
DUTY
SHDN
FB
C13
10 F
*L1
SS6578
C8
0.
R3
510
9014
R14
Q3
1 F
200K
LED1
YELLOW
C3
R15
680
+
D3
IN
330 F
35V
GND
IN
CS+
>V
CS-
DRI
1N4148
>V
IN
BATT
R11
240K
>V
BATT
1
2
3
4
5
6
7
8
BATT
+4V
U2
10 F
*R
+3.5V
PEAK
VBT
DIS
VTS
VCC
ADJ
SEL3
TMR
C4
S
SS6781
+4.5V
+
MODE
PB SW
ICON
DSW
LED2
LED1
GND
SEL1
SEL2
SS32
D2
SW1
*:Sumida MPP Core
V
V
IN
IN
16
15
14
13
12
11
10
9
>15V, R7=15
15V, R7=0
R12
100K
R16
LED2
680
GREEN
LED3
R17
680
RED
SS6578
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