參數(shù)資料
型號(hào): NTE7154
廠商: NTE Electronics, Inc.
英文描述: Integrated Circuit Control Circuit for Switch Mode Power Supplies using MOS Transistors
中文描述: 集成電路控制電路采用MOS晶體管的開關(guān)電源
文件頁(yè)數(shù): 1/3頁(yè)
文件大?。?/td> 33K
代理商: NTE7154
NTE7154
Integrated Circuit
Control Circuit for Switch Mode Power Supplies
using MOS Transistors
Description:
The NTE7154 is an integrated circuit in an 8–Lead DIP type package which controls the MOS power
transistor and performs all necessary regulation and monitoring functions in free running flyback con-
verters. Since good load regulation over a wide load range is attained, this device is particularly suit-
able for consumer as well as industrial power supplies.
Features:
Fold–Back Characteristic Provides Overload Protection for External Diodes
Burst Operation Under Short–Circuit and No Load Conditions
Loop Error Protection
Switch–Off In Case of Too Low Line Voltage (Under Voltage Switch–Off)
Line Voltage Compensation of Overload Point
Soft–Start for Smooth Start–Up
Chip Over–Temperature Protection (Thermal Shutdown)
On–Chip Parasitic Transformer Oscillation Suppression Circuitry
Decrease of Regulated Voltage for Low Power Consumption
Absolute Maximum Ratings:
Supply Voltage (Pin1), V
1
Supply Voltage (Pin2, Pin3, Pin4, Pin7), V
2
, V
3
, V
4
, V
7
Supply Voltage (Pin6), V
6
Supply Current (Pin1, Pin2, Pin3, Pin7), I
1
, I
2
, I
3
, I
7
Supply Current (Pin4, Note 1), I
4
Supply Current (Pin5, Note 1), I
5
Supply Current (Pin6, Note 1), I
6
Supply Current (Pin8), I
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ambient Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Ambient, R
thJA
Thermal Resistance, Junction–to–Case, R
thJC
Note 1. t
p
50
μ
s, V
0.1.
–0.3 to +3.0V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.3V
–0.3 to +20V
3mA
–1.5A
–0.5 to +1.5A
0.5A
–3 to +3mA
+125
°
C
–20
°
to +85
°
C
–40
°
to +125
°
C
85
°
C/W
45
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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