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參數(shù)資料
| 型號： | L4962 |
| 廠商： | 意法半導體 |
| 元件分類： | 基準電壓源/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)： | 3/15頁 |
| 文件大小： | 212K |
| 代理商： | L4962 |
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
DYNAMIC CHARACTERISTICS
V
o
Output voltage range
V
i
= 46V
I
o
= 1A
V
ref
40
V
V
i
Input voltage range
V
o
= V
ref
to 36V
I
o
= 1.5A
9
46
V
V
o
Line regulation
V
i
= 10V to 40V
V
o
= V
ref
I
o
= 1A
15
50
mV
V
o
Load regulation
V
o
= V
ref
I
o
= 0.5A to 1.5A
8
20
mV
V
ref
Internal reference voltage
(pin 10)
V
i
= 9V to 46V
I
o
= 1A
5
5.1
5.2
V
V
ref
T
Average temperature
coefficient of refer. voltage
T
j
= 0
°
C to 125
°
C
I
o
= 1A
0.4
mV/
°
C
V
d
Dropout voltage
I
o
= 1.5A
1.5
2
V
I
om
Maximum operating load
current
V
i
= 9V to 46V
V
o
= V
ref
to 36V
1.5
A
I
2L
Current limiting threshold
(pin 2)
V
i
= 9V to 46V
V
o
= V
ref
to 36V
2
3.3
A
I
SH
Input average current
V
i
= 46V;
output short-circuit
15
30
mA
η
Efficiency
f = 100KHz
V
o
= V
ref
70
%
I
o
= 1A
V
o
= 12V
80
%
SVR
Supply voltage ripple
rejection
V
i
= 2V
rms
fripple
= 100Hz
V
o
= V
ref
Io = 1A
50
56
dB
ELECTRICAL CHARACTERISTICS
(Refer to the test circuit, T
j
= 25
°
C, V
i
= 35V, unless otherwise
specified)
HEPTAWATT
POWERDIP
NAME
FUNCTION
4
4, 5, 12, 13
GROUND
Common ground terminal.
5
14
OSCILLATOR
A parallel RC network connected to this terminal
determines the switching frequency. This pin must be
connected to pin 7 input when the internal oscillator is
used.
6
15
SOFT START
Soft start time constant. A capacitor is connected
between this terminal and ground to define the soft start
time constant. This capacitor also determines the
average short circuit output current.
7
2
OUTPUT
Regulator output.
1, 3,6,
8, 9, 16
N.C.
PIN FUNCTIONS
(cont’d)
3/15
L4962
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4962/A | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.0 to 40V Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| L4962_00 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.5A POWER SWITCHING REGULATOR |
| L4962A | 制造商:SGS 功能描述:* |
| L4962A | 制造商:STMicroelectronics 功能描述:IC SWITCHING REG 1.5A 4962 |
| L4962E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.5A POWER SWITCHING REGULATOR |
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