參數(shù)資料
型號(hào): SG6848
廠商: Electronic Theatre Controls, Inc.
英文描述: Low Cost Green-Mode PWM Controller for Flyback Converters
中文描述: 低成本綠色模式PWM控制器,用于回掃轉(zhuǎn)換
文件頁(yè)數(shù): 3/13頁(yè)
文件大?。?/td> 263K
代理商: SG6848
Product Specification
Low Cost Green-Mode PWM Controller for Flyback Converters
SG6848
System General Corp.
Version 1.2(IRO33.0010.B0)
- 3 -
www.sg.com.tw
May.06, 2003
BLOCK DIAGRAM
V
DD
2 (5)
RI
UVLO
16.3V/11.7V
Internal
Bias
_
+
OSC
5 (3)
R
Q
S
OCP
Comp
PWM
Comp
Slope
Compensation
Vlimit
ramp
Green
Mode
Controller
ON/OFF
Driver
7 (2)
4.8V
FB
1 (6)
V
DD
SENSE
4 (4)
GATE
Blanking
Circuit
8 (1)
GND
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
V
DD
DC Supply Voltage *
Zener Clamp
Zener Current
V
FB
Input Voltage to FB Pin
V
Sense
Input Voltage to Sense Pin
P
d
Power Dissipation
T
J
Operating Junction Temperature
Value
25
26
10
-0.3 to 6 V
-0.3 to 6V
300
150
208.4
82.5
-55 to +150
220
260
3.0
300
Unit
V
V
mA
V
V
mW
°
C/W
°
C/W
SOT-26
DIP-8
R
θ
JA
Thermal Resistance (Junction to Air)
T
stg
Storage Temperature Range
T
L
Lead Temperature (Soldering)
20 sec SOT-26
10 sec DIP-8
°C
ESD Capability, HBM Model
ESD Capability, Model
kV
V
* All voltage values, except differential voltages, are given with respect to the network ground terminal.
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