参数资料
型号: GM3843AD8T
厂商: American Power Management Inc.
英文描述: HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
中文描述: 高性能电流模式PWM控制器
文件页数: 14/19页
文件大小: 304K
代理商: GM3843AD8T
Power Management
G
M
3
8
4
2
A
,
G
M
3
8
4
3
A
,
G
M
3
8
4
A
,
G
M
3
8
4
5
A
4
REPRESENTATIVE BLOCK DIAGRAM
VCC
VIN
VCC 7
VC
Output
7
6
Q1
5
Power
Ground
3
Current
Sense
Input
RS
36V
+
-
+
-
VCC
UVLO
Reference
Regulator
Vref
UVLO
+
-
3.6V
Internal
Baias
R
Oscillator
2.5V
8
4
Vref
RT
CT
2
1
Voltage
Feedback
Input
Output
Compensation
+
1.0mA
+
-
+
-
Error
Amplifier
2R
R
1.0V
5
GND
Current Sense
Comparator
-
+
PWM Latch
S
R
Q
T
+
-
+
-
=
Sink Only
Positive True Logic
(Toggle flip flop used only
in GM3844A, GM3845A)
Capacitor C
T
Latch "Set" Input
Output/ Compensation
Current Sense Input
Latch "Reset" Input
Output
Latch R / Small C
T
Small
/ Latch C
T
R
TIMING DIAGRAM
1/2 Vref
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GM3843AS8R 制造商:GAMMA 制造商全称:GAMMA 功能描述:CURRENT MODE PWM CONTROLLER
GM3843AS8T 制造商:GAMMA 制造商全称:GAMMA 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM3844A 制造商:GAMMA 制造商全称:GAMMA 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM3844AD8T 制造商:GAMMA 制造商全称:GAMMA 功能描述:CURRENT MODE PWM CONTROLLER
GM3844AS8R 制造商:GAMMA 制造商全称:GAMMA 功能描述:CURRENT MODE PWM CONTROLLER