参数资料
型号: GM3842AD8T
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: 17/19页
文件大小: 304K
代理商: GM3842AD8T
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
7
TYPICAL PERFORMANCE CHARACTERISTICS
90
80
70
60
50
40
1
2
3
5
R (kW)
T
Dmax
(%)
Figure 3. Maximum Output Duty Cycle vs.
Timing Resistor (GM3842A/43A)
V
= 15V
CC
C = 3.3nF
T =25°C
A
T
80
60
40
20
0
-20
10
100
1k
10k
100k
1M
f (Hz)
(dB)
Figure 4. Error Amp Open-Loop Gain vs.
Frequency
V
= 15V
CC
V = 2V to 4V
R = 100K
L
T
O
= 25°C
A
1.0
0.8
0.6
0.4
0.2
0
2
4
6
V (V)
O
Vth
(V)
Figure 5. Current Sense Input Threshold vs.
Error Amp Output Voltage
100
90
80
70
60
50
0
25
50
75
100 T (°C)
A
ISC
(mA)
Figure 6. Reference Short Circuit Current vs.
Temperature
V
= 15V
CC
T = 25°C
A
T = 125°C
A
-1
-2
3
2
1
0
200
400
600
I
(mA)
O
Vsat
(V)
Figure 7. Output Saturation Voltage vs.
Load Current T = 25°C
A
Sourse Saturation
(Load to Ground)
V
= 15V
CC
80s Pulsed Load 120Hz Rate
Sink Saturation
(Load to V
)
CC
Figure 8. Supply Current vs. Supply Voltage
20
15
10
5
0
10
20
30
V
(V)
CC
ICC
(mA) I
= 0V
Sense
V
R
= 0V
FB
= 10K
T
T = 25°C
A
C = 3.3nF
T
G
M
3
8
4
2
A
/
4
A
G
M
3
8
4
3
A
/
4
5
A
V
= 15V
CC
相关PDF资料
PDF描述
GM3842AS8R HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM3842AS8T HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM3842A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM3843A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM431AS8B 2.5V ADJUSTABLE SHUNT REGULATOR
相关代理商/技术参数
参数描述
GM3842AS8R 制造商:GAMMA 制造商全称:GAMMA 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM3842AS8T 制造商:GAMMA 制造商全称:GAMMA 功能描述:CURRENT MODE PWM CONTROLLER
GM3843A 制造商:GAMMA 制造商全称:GAMMA 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM3843AD8T 制造商:GAMMA 制造商全称:GAMMA 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
GM3843AS8R 制造商:GAMMA 制造商全称:GAMMA 功能描述:CURRENT MODE PWM CONTROLLER