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参数资料
| 型号： | NTE7159 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Switch Mode Power Supply Controller |
| 中文描述： | 集成电路开关电源控制器 |
| 文件页数： | 2/3页 |
| 文件大小： | 33K |
| 代理商： | NTE7159 |
Recommended Operating Conditions:
Parameter
Symbol
Min
Typ
Max
Unit
Power Supply
V
CC
I
OUT
+
I
OUT
–
I
OUT
+
I
OUT
–
F
oper
V
IN
R
OSC
C
OSC
C1
V
CC
stop
–
12
V
CC
max
1.2
V
Positive Output Current (Source Current)
–
A
Negative Output Current (Sink Current)
–
–
2.0
A
Average Positive Output Current
–
–
0.6
A
Average Negative Output Current
–
–
0.6
A
Operating Frequency
10
–
100
kHz
Input Pulses Amplitude (Pin2)
1.5
2.5
4.5
V
k
nF
μ
F
μ
F
Oscillator Resistor Range
20
–
150
Oscillator Capacitor Range
0.47
–
4.7
Soft
–
Starting Capacitor Range
0.047
1.0
–
Overload Integration Capacitor
Ratio C2/C1 (C2 must be
≥
C1)
Operating Ambient Temperature
C2
0.047
1.0
–
C2/C1
1
–
–
T
A
–
20
–
+70
°
C
Electrical Characteristics:
(T
A
= +25
°
C, V
CC
= 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Power Supply
Starting Voltage
V
CC(start)
V
CC(stop)
Hyst V
CC
I
CC(start)
I
CC
V
CC(max)
I
CC(over)
V
CC
increasing
V
CC
decreasing
V
CC(start)
–
V
CC(stop)
V
CC
= 9V
V
CC
= 12V
9.3
10.3
11.3
V
Stopping Voltage
6.4
7.4
8.4
V
Hysteresis
2.4
2.9
–
V
Starting Current
–
0.7
1.4
mA
Supply Current
–
7.5
15.0
mA
Overvoltage Threshold on V
CC
Supply Current After Overvoltage Detection
15.0
15.7
–
V
V
CC
= 17V
26
35
42
mA
Oscillator/PWM Section
Accuracy
F/F
R
OSC
= 68k
, C
OSC
= 1nF
–
10
–
%
Error Amplifier Section
Open Loop Gain
A
VO
F
ug
I
SC
I
BE
V
REF
–
75
–
dB
Unity Gain Frequency
–
550
–
kHz
Short Circuit Output Current
Pin7 Connected to GND
–
2
–
mA
μ
A
V
E Input Bias Current
Pin6
–
0.08
–
Internal Voltgage Reference
Connected to Error Amplifier
Input and Not Directly Accessible
2.34
2.49
2.64
Input Section
IN Input Threshold
V
IN
V
IS
I
BIN
I
BIS
Pin2
0.60
0.85
1.20
V
IS Input Threshold
Pin1
–
0.15
–
V
μ
A
μ
A
IN Input Bias Current
–
0.3
–
IS Input Bias Current
–
0.4
–
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