參數(shù)資料
型號(hào): NTE1754
廠商: NTE Electronics, Inc.
英文描述: 2.5-V Integrated Reference Circuit 8-SOIC 0 to 70
中文描述: 集成電路垂直偏轉(zhuǎn)輸出電路
文件頁(yè)數(shù): 3/4頁(yè)
文件大?。?/td> 29K
代理商: NTE1754
Electrical Characteristics (Cont’d):
(T
A
= +25
°
C, V
CC
(V
9
4
) = 26V, Note 1, Note 3 unless
otherwise specified)
Symbol
Test Conditions
Parameter
Min
Typ
Max
Unit
Guard Circuit
Output Voltage, Pin7
V
7
2
R
L
= 100k
, Note 11
I
L
= 0.5mA, Note 11
4.1
3.4
0.95
4.5
3.9
1.35
5.8
5.3
1.7
1.0
V
V
k
V
Internal Series Resistance of Pin7
Guard Circuit Activates
General Data
Open Loop Gain
Frequency Response
Ri
7
V
8
2
Note 9
G
O
f
at 1kHz, Note 10
3dB, Note 12
33
60
kHz
Note 1. Pin2 and Pin4 are externally connected to GND.
Note 3. Pin1 externally connedted to Pin3.
Note 4. Non
repetitive duty factor 3.3%.
Note 5. The maximum supply voltage should be chosen so that during flyback the voltage at Pin 5
does not exceed 60V.
Note 6. When V
5
4
is 13V and no load at Pin5.
Note 7. Duty cycle, d = 5% or d = 0.05
Note 8. When Pin3 is driven separately from Pin1.
Note 9. During normal operation the voltage V
8
2
may not be lower than 1.5V
Note10. R
L
= 8
; I
L
= 125mA
RMS
Note11. If guard circuit is active.
Note12. With a 22pF capacitor between Pin1 and Pin5.
V
CC
Flyback Generator
Voltage Stabilizer
Pin Connection Diagram
(Front View)
GND
Input
Output
Output Stage GND
Switching Circuit
Output Stage Supply Input
9
8
7
6
5
4
3
2
1
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