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参数资料
| 型号： | SS6578 |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | HIGH EFFICIENCY STEP DOWN DC/DC CONTROLLER |
| 中文描述： | 高效率降压DC / DC控制器 |
| 文件页数： | 2/11页 |
| 文件大小： | 221K |
| 代理商： | SS6578 |
www.SiliconStandard.com 2 of 11
SS6578
TYPICAL APPLICATION CIRCUIT
VIN
DUTY
SHDN
FB
U1
SS6578
1
2
3
4
GND
5
DRI
6
CS-
7
CS
+
8
R3
12K
R4
3K9
C2
0.1
μ
F
+V
IN
6.4~18V
+V
OUT
, 5V
Rs
*
+
C4
470
μ
F
D1
GS SS32
+
C1
100
μ
F
<15V
L1
33
μ
H
R6
1M
Q1
R7
**
L
f
V
mV
50
2
)
V
×
V
(
V
I
I
S
IN
O
IN
×
O
MAX
,
O
P
+
=
2
O
O
IN
MAX
,
O
S
IN
S
V
IN
+
P
P
TH
S
V
V
LI
f
V
2
L
f
V
1
I
I
V
R
=
=
=
V
IN
: Input voltage
V
OUT
: Output voltage
f
S
: Working frequency
L= Inductor value
I
O,MAX
: Maximum Output current
V
TH
: Current Limit Sense Threshold
**V
IN
>15V, R7=15
V
IN
≤
15V, R7=0
DC/DC Buck Converter
ABSOLUTE MAXIMUM RATINGS
VIN Supply Voltage
.....…………................................……..............................................
20V
DUTY Voltage
.........................................……………...……...........................................
20V
SHDN
Voltage
......................................………….......…….............................................
15V
Operating Temperature Range..
..............………….....……....................................
0
°
C~70
°
C
Storage Temperature Range
......................…………....……...........................
-65
°
C~ 150
°
C
TEST CIRCUIT
Refer to TYPICAL APPLICATION CIRCUIT.
Rev.2.0
2
4
/06/200
4
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| SS6578CNTB | 制造商:SSC 制造商全称:Silicon Standard Corp. 功能描述:High-Efficiency, Step-Down DC/DC Controller |
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