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參數(shù)資料
| 型號(hào)： | L4960 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.5 A SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PZFM7 |
| 封裝： | HEPTAWATT-7 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 323K |
| 代理商： | L4960 |
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
DYNAMIC CHARACTERISTICS
Vo
Output voltage range
Vi = 46V
Io = 1A
Vref
40
V
Vi
Input voltage range
Vo = Vref to 36V
Io = 2.5A
9
46
V
Vo
Line regulation
Vi = 10V to 40V
Vo = Vref
Io = 1A
15
50
mV
Vo
Load regulation
Vo = Vref
Io = 0.5A to 2A
10
30
mV
Vref
Internal reference voltage
(pin 2)
Vi = 9V to 46V
Io = 1A
5
5.1
5.2
V
Vref
T
Average temperature
coefficient of refer voltage
Tj = 0
°C to 125°C
Io = 1A
0.4
mV/
°C
Vd
Dropout voltage
Io = 2A
1.4
3
V
Iom
Maximum operating load
current
Vi = 9V to 46V
Vo = Vref to 36V
2.5
A
I7L
Current limiting threshold
(pin 7)
Vi = 9V to 46V
Vo = Vref to 36V
3
4.5
A
ISH
Input average current
Vi = 46V;
output short-circuit
30
60
mA
η
Efficiency
f = 100KHz
Vo = Vref
75
%
Io = 2A
Vo = 12V
85
%
SVR
Supply voltage ripple
rejection
Vi = 2Vrms
fripple = 100Hz
Vo = Vref
Io = 1A
50
56
dB
f
Switching frequency
85
100
115
KHz
f
Vi
Voltage stability of
switching frequency
Vi = 9V to 46V
0.5
%
f
Tj
Temperature stability of
switching frequency
Tj = 0
°C to 125°C
1
%
fmax
Maximum operating
switching frequency
Vo = Vref
Io = 2A
120
150
KHz
Tsd
Thermal shutdown
junction temperature
150
°C
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tj = 25
°C, Vi = 35V, unless otherwise
specified)
Symbol
Parameter
Value
Unit
Rth j-case
Thermal resistance junction-case
max
4
°C/W
Rth j-amb
Thermal resistance junction-ambient
max
50
°C/W
THERMAL DATA
3/16
L4960
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4960H | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.1 to 40V 2.5 Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| L4962 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.5A POWER SWITCHING REGULATOR |
| 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(fēng)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:* |
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