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SM7525 参数 Datasheet PDF下载

SM7525图片预览
型号: SM7525
PDF下载: 下载PDF文件 查看货源
内容描述: [SM7525 is a primary side feedback controlling power chip used in off-line small power AC/DC switching power. It realizes high precision (less than ±5%) constant current output under universal input voltage. The circuit is no loop compensation and saves opto-coupler, L431, transformer auxiliary winding and other components to reduce the cost.The circuit integrates cycle by cycle peak current limiting, FB overvoltage protection, output open/short protection and soft-start, which optimize the reliability.]
分类和应用:
文件页数/大小: 11 页 / 2894 K
品牌: SMSC [ SMSC CORPORATION ]
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深圳市钲铭科电子有限公司
GOSTON ELECTRONICS CO.,LTD
SM7525 Primary Side Feedback Controlling Switch
v1.6
Limiting Values
Limiting Parameters (TA= 25
)
Symbol
VDD
V
FB
V
CS
T
A
T
stg
V
ESD
R
θja
Vds
Description
Operating Voltage
FB Input Voltage
CS Input Voltage
Operating Temperature
Storage Temperature
HBM
Thermal Resistance
Drain Source Breakdown Voltage
Range
-0.3~6
~
-0.3~7.0
-20~125
-40~150
4
65
-0.3~730
Unit
V
V
V
KV
/W
V
Electrical Operating Parameters
((No special instruction,normal condition T
A
=25℃,VDD=6V)
Symbol
ICC
Vcc
Vcs
Description
Static Current
Power Supply Voltage
Current Detection Threshold
Leading Edge Blanking Time
FB
Value
FB Overvoltage Threshold
Minimum Degaussing Time
Maximum Duty Cycle
On-Resistance
Drain
Voltage
Vcc under-voltage protection
threshold
Source
Breakdown
Minimum
Threshold
Range
Min
Type
-250
6
620
450
300
4
5
42
15
730
4
Max
Unit
uA
V
mV
ns
mV
V
us
T
LEB
V
FBMIN
V
FBMAX
T
DEM_MIN
D
MAX
R
DSON
B
VD_SS
Vcc_uvlo
%
Ohm
V
V
Mail
:
sale@sz-ledpower.cn
Tel: 0755 -27593075
st Blvd.,South Area,Shenzhen High tech Industrial Park,Nanshan Dist.,Shenzhen.
Address: 3F,SSMEC Bldg.,15 South 1
-
Note: The latest datasheet is subject to the web(www.dianyuanic.com).
Fax: 0755 -29031113
-3-