參數(shù)資料
型號: SC1409ISTR
廠商: Semtech Corporation
元件分類: 基準電壓源/電流源
英文描述: Isolated Flyback Switching Regulator with 9V Output
中文描述: 隔離反激式開關(guān)穩(wěn)壓9V輸出
文件頁數(shù): 3/8頁
文件大小: 109K
代理商: SC1409ISTR
SC1409
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
1 A Synchronous Switching Regulator
June 28, 2000
3
OC_DET
PHASE
ISET
VIN
60nS DELAY
EN/SS
PGND
R
S
Q
R
S
Q
R
S
Q
R
S
Q
+
-
+
-
+
-
FB
OSCILLATOR
UV LOCKOUT
+
-
+
-
SYNC/FSET
AGND
1:800
SHOOT THRU
CONTROL
4.5V
1.5V
I
2I
THERMAL
VREF
SOFT
ERROR
BLOCK DIAGRAM
PIN CONFIGURATION
SYNC/FSET
1
EN/SS
AGND
FB
ISET
PHASE
PGND
VIN
2
3
4
8
7
6
5
Top View
(8 LEAD SOIC)
PIN DESCRIPTION
Pin #
Pin Name
Pin Function
1
SYNC/FSET
Sets frequency, allows synchronization.
FSET = V
, f = 500kHz
FSET = GND, f = 300kHz
Enable and Soft Start pin.
Analog ground.
Output voltage feedback.
Device power ground.
2
3
4
5
EN/SS
AGND
FB
PGND
6
PHASE
Power output to the inductor.
7
8
VIN
ISET
Input voltage.
Current limit programming input.
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