参数资料
型号: GM38C42S8R
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: 5/11页
文件大小: 166K
代理商: GM38C42S8R
PACKAGE PIN DESCRIPTION
FUNCTION
COMP
Compensation: Connect external Compensation network to modify the error amplifier
output.
PIN LEAD
1
FB
Feedback (Input): Error amplifier input .Feedback is 2.5Vat desired output voltage.
2
I
SNS
Current Sense (Input): Current sense comparator input. Connect to current sensing
resistor or current transformer.
3
R / C
TT
Timing Resistor / Timing Capacitor: Connect external RC network to select switching
frequency.
4
5
GND
OUT
Ground: Combined analog and power ground.
Power Output: Totem - pole output.
6
V
DD
Analog Supply (Input): Controller circuitry supply input. Return to analog ground (AGND).
5V Reference (Output): Connect external RC network.
V
REF
BLOCK DIAGRAM
7
8
G
M
3
8
C
4
2
,
G
M
3
8
C
4
3
,
G
M
3
8
C
4
,
G
M
3
8
C
4
5
3
PARAMETER
SYMBOL
VALUE
UNIT
30
mA
I
DD
ABSOLUTE MAXIMUM RATINGS
Supply Voltage(Note 6)
Switch Supply Voltage
Current Sense Voltage
Feedback Voltage
Output Current
Storage Temperature
18
- 0.3 to + 5.5
0.5
V
A
°C
V
DD
V
D
V
ISNS
V
FB
I
OUT
T
A
- 0.3 to + 5.5
- 50 to + 150
Zener Current
Operation at
16V may require special precautions(Note6)
V
DD
7
V
REF
8
R / C
TT
4
FB
2
35V
OUTPUT
6
5V
Reference
UVLO
Oscillator
2.5V
2R
R
S
R
+
-
+
Q
T
COMP
1
GND*
5
I
SNS
3
*
* 8 - lead versions only
-
+
PARAMETER
SYMBOL
VALUE
UNIT
150
T
J
OPERATING RATINGS
Junction Temperature
°C
相关PDF资料
PDF描述
GM38C42S8T HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM38C42 HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM38C43D8T HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM38C43S8R HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM38C43S8T HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
相关代理商/技术参数
参数描述
GM38C42S8T 制造商:GAMMA 制造商全称:GAMMA 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM38C43 制造商:GAMMA 制造商全称:GAMMA 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM38C43D8T 制造商:GAMMA 制造商全称:GAMMA 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM38C43S8R 制造商:GAMMA 制造商全称:GAMMA 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM38C43S8T 制造商:GAMMA 制造商全称:GAMMA 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS