參數(shù)資料
型號: L4962E
廠商: 意法半導(dǎo)體
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗輻射高效,5安培開關(guān)穩(wěn)壓器
文件頁數(shù): 4/15頁
文件大?。?/td> 212K
代理商: L4962E
4/15
Symbol
Parameter
TestConditions
Min.
Typ.
Max.
Unit
DYNAMIC CHARACTERISTICS
(cont’d)
f
Switching frequency
85
100
115
KHz
f
V
i
Voltage stability of
switching frequency
V
i
= 9V to 46V
0.5
%
f
T
j
Temperature stability of
switching frequency
T
j
= 0
°
C to 125
°
C
1
%
f
max
Maximum operating
switching frequency
V
o
= V
ref
I
o
= 1A
120
150
KHz
T
sd
Thermal shutdown
junction temperature
150
°
C
DC CHARACTERISTICS
I
7Q
Quiescent drain current
100% duty cycle
pins 2 and 14 open
V
i
= 46V
30
40
mA
0% duty cycle
15
20
mA
-I
2L
Output leakage current
0% duty cycle
1
mA
SOFTSTART
I
15SO
Source current
100
140
180
μ
A
I
15SI
Sink current
50
70
120
μ
A
ERROR AMPLIFIER
V
11H
High level outputvoltage
V
10
= 4.7V
I
11
= 100
μ
A
3.5
V
V
11L
Low level output voltage
V
10
= 5.3V
I
11
= 100
μ
A
0.5
V
I
11SI
Sink output current
V
10
= 5.3V
100
150
μ
A
-I
11SO
Source output current
V
10
= 4.7V
100
150
μ
A
I
10
Input bias current
V
10
= 5.2V
2
10
μ
A
G
v
DC open loop gain
V
11
= 1V to 3V
46
55
dB
OSCILLATOR
-I
14
Oscillator source current
5
mA
ELECTRICALCHARACTERISTICS
(continued)
L4962
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