参数资料
型号: SC470ITSTRT
厂商: Semtech
文件页数: 7/31页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 14-TSSOP
标准包装: 1
PWM 型: 控制器
输出数: 1
电源电压: 5 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 14-TSSOP(0.173",4.40mm 宽)
包装: 标准包装
产品目录页面: 1358 (CN2011-ZH PDF)
其它名称: SC470ITSDKR
NOT RECOMMENDED FOR NEW DESIGN
POWER MANAGEMENT
Block Diagram
VCCA
SC470
EN/SPV
POR / SS
OT
TON
TON
ON
BST
VOUT
OFF
PWM
CONTROL
LOGIC
HI
DH
LX
TOFF
OC
1.5V REF
+
ZERO I
ISENSE
ILIM
-
VDDP
FB
PGD
X3
LO
DL
PGND
OV
VSSA
FAULT
MONITOR
UV
REF + 20%
REF - 10%
REF - 30%
Figure 1: SC470 Block Diagram
? 2005 Semtech Corp.
7
www.semtech.com
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