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參數(shù)資料
| 型號： | L4959 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | MULTIFUNCTION VOLTAGE REGULATOR FOR HOME AUDIO |
| 中文描述： | 多功能電壓調(diào)節(jié)家用音響 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 121K |
| 代理商： | L4959 |
THERMAL DATA
Symbol
R
th j-case
Parameter
Value
2
Unit
°
C/W
Thermal Resistance Junction-case
ELECTRICAL CHARACTERISTICS
(V
S
= 18V, T
case
= 25
°
C, unless otherwise specified.)
Symbol
Parameter
V
S
Operating Supply Voltage
no load
loaded (*)
En
Output Noise Voltage
Any reg. supply,
f = 100Hz to 20KHz
I
q
Quiescent Current
5.6V/250mA OUTPUT VOLTAGE
Test Condition
Min.
15
14.4
Typ.
22
18
200
Max.
30
21.6
400
Unit
V
V
μ
V
8
mA
V
out 5V
5V Output Voltage
I
O
= 125mA
14.4V < V
S
< 21.6V
5mA < I < 0.25
14.4V < V
S
< 21.6V
5mA < Io < 250mA
I
out
= 250mA
V
S
= 21.6V
5.45
5.40
5.9
6
V
V
V
line
V
load
V
dropout
I
lim
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
5
50
150
2.7
mV
mV
V
mA
50
2.05
325
250
8.6V/0.6A SWITCHED OUTPUT VOLTAGE
V
out 8V
8.6V Output Voltage
I
O
= 300mA
14.4V < V
S
< 21.6V 5mA < I < 0.6A
14.4V < V
S
< 21.6V
5mA < Io < 0.6A
I
out
= 0.6A
V
S
= 21.6V
8.4
8.3
9.1
9.2
50
350
2.7
V
V
V
line
V
load
V
dropout
I
lim
SWon
SW off
SW hyst
12V/0.8A SWITCHED OUTPUT VOLTAGE
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Switch ON
Switch OFF
Switch Hysteresis
5
mV
mV
V
A
V
V
mV
50
2.05
0.8
2.31
2.11
200
0.6
3.5
1.5
V
out12Va
12V Output Voltage
I
out
= 400mA
14.4V < V
S
< 21.6V
5mA < I < 0.8A
14.4V < Vs < 21.6V
5mA < Io < 0.8A
I
out
= 0.8A
V
S
= 21.6V
f = 100Hz
f = 10KHz
11.7
11.6
12.7
12.8
V
V
V
line
V
load
V
dropout
I
lim
SVR
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Supply Voltage Rejection
10
100
2.13
1.1
75
50
350
2.7
mV
mV
V
A
dB
0.8
55
40
SWon
SW off
SW hyst
12V/1.3A SWITCHED OUTPUT VOLTAGE
Switch ON
Switch OFF
Switch Hysteresis
2.31
2.11
200
3.5
V
V
1.5
mV
V
out12Vb
12V Output Voltage
I
out
= 650mA
14.4V < V
S
< 21.6V
5mA < I < 1.3A
14.4V < Vs < 21.6V
5mA < Io < 1.3A
I
out
= 1.3A
V
S
= 21.6V
11.6
11.5
12.6
12.7
V
V
V
line
V
load
V
dropout
I
lim
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
10
200
2.15
1.7
50
450
2.7
mV
mV
V
A
1.3
L4959
3/6
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| L4960 | 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 |
| 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 |
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