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参数资料
| 型号： | GM38C44D8T |
| 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： | 6/11页 |
| 文件大小： | 166K |
| 代理商： | GM38C44D8T |
Power Management
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
4
ELECTRICAL CHARACTERISTICS
(T = -40°C to 85
, Note 4, V
= 15V, C =3.3 nF, R =10kW, unless otherwise noted )
A
DD
T
°C
CHARACTERISTICS
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
Line Regulation
Reference Section
T = 25°C, I = 1mA
AO
4.9
5.0
2
V
mV
5.1
20
12V
V
16V, I = 5A, (Note 6)
DD
O
Load Regulation
1
mV
25
1
I
20mA
O
Temp. Stability
0.2
mV / °C
(Note 1)
Total Output Variation
Line, Load, Temp.,Note 1
4.82
5.18
V
Output Noise Voltage
50
V
10Hz
f
10kHz, T = 25°C, (Note 1)
A
Long Term Stability
5
mV
T = 125°C, 1000hrs., (Note 1)
A
25
Output Short Circuit
-80
mA
-180
-30
Oscillator Section
Initial Accuracy
52
KHz
55
49
T = 25°C, (Note 5)
A
Voltage Stability
0.2
%
1.0
12
V
16V, (Note 6)
DD
Temp. Stability
0.04
% / °C
T
, (Note 1)
MIN
A
MAX
Clock Ramp
Reset Current
T
MIN
A
MAX
T = 25°C, V
= 2V,
A
RT/CT
7.7
7.2
8.4
9.0
9.5
mA
Amplitude
1.9
Vp-p
V
(Peak to Peak)
RT/CT
Error Amplifier Section
Input Current
-0.1
A
V
= 5V
FB
-2
Input Voltage
2.5
V
= 2.5V
COMP
2.58
2.42
Open Loop Voltage Gain
dB
65
2V
V
4V
O
Power Supply Rejection Ratio
60
12V
V
16V
DD
dB
Output Sink Current
14
2
V
= 2.7V, V
= 1.1V
FB
COMP
mA
Output Source Current
-1
-0.5
V
= 2.3V, V
= 5V
FB
COMP
mA
High Output Voltage
6.6
5.0
V
= 2.3V, R = 15k to GND
FB
L
V
Low Output Voltage
0.1
V
= 2.7V, R = 15k to V
FB
L
REF
V
1.1
1.0
(Note 1)
MHz
Current Sense Section
Gain
Note 2 and 3
Maximum Threshold
1.0
V
= 5V, (Note 2)
COMP
1.1
2.85
PSRR
70
dB
0.9
Input Bias Current
-1.0
12V
V
16V, (Note 2)
DD
Delay to Output
120
A
-2
250
ns
0.7
3.0
3.15
V / V
Unity Gain Bandwidth
90
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