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参数资料
| 型号： | NTE7126 |
| 元件分类： | 稳压器 |
| 英文描述： | 20 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PSFM12 |
| 文件页数： | 2/3页 |
| 文件大小： | 24K |
| 代理商： | NTE7126 |
Absolute Maximum Ratings (Cont’d): (TA = +25°C unless otherwise specified)
TR1 (Cont’d)
Allowable Power Dissipation, PD
78.1W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chip Junction Temperature, TJmax
+150
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Case, RthJ–C
1.6
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ZD1
Allowable Power Dissipation, PZD1
500mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chip Junction Temperature, TJ (ZD1)max
+125
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Case, RthJ–C (ZD1)
0.2
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Operating Ranges: (TA = +25°C unless otherwise specified)
Pin4 Input Voltage, V4
±6 to ±24V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oscillator Frequency, fOSC
20 to 120kHz
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Characteristics: (TA = +25°C, TC = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Output Voltage Setting
IIN = 8mA
40.0
40.5
41.0
V
Output Voltage Temperature Coefficient
TC = 0° to +105°C, IIN = 8mA
–
7
–
mV/
°
C
TR1
Drain–Source Breakdown Voltage
V(BR)DSS ID = 10mA, VGS = 0V
500
–
V
Gate–Source Cutoff Voltage
VGS(off)
ID = 1mA, VDS = 10V
2.0
–
3.0
V
ON Resistance
NTE7125
NTE7126
RDS(on)
ID = 2.5A, VGS = 10V
–
1.4
0.8
1.8
Input Capacitance
Ciss
VDS = 10V, VGS = 0V, f = 1MHz
–
800
–
pF
ZD1
Zener Voltage
VZ
IZ = 5mA
23.7
–
26.3
V
Pin Connection Diagram
(Front View)
Vref (40.5V typ) Input
TR1 Source
Error Detection Level
TR1 Gate
TR1 Source
Amplifier Circuit Control
OCP Setting Level Input
Drive Voltage Input
GND
TR1 Drain
No Pin
12
11 TR1 Drain
10
9
8
7
6
5
4
3
2
1
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