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參數(shù)資料
| 型號： | L4949E |
| 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： | Multifunction Very Low Drop Voltage Regulator(多功能低壓差電壓穩(wěn)壓器) |
| 中文描述： | 多功能非常低壓降穩(wěn)壓器（多功能低壓差電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 92K |
| 代理商： | L4949E |
ELECTRICALCHARACTERISTICS
(V
S
= 14V; -40
°
C < T
j
< 125
°
C unless otherwisespecified)
Symbol
V
O
V
O
V
O
Parameter
Test Condition
Min.
4.95
4.90
4.75
Typ.
5
5
Max.
5.05
5.10
5.25
Unit
V
V
V
Output Voltage
Output Voltage
Output Voltage
T
J
= 25
°
C; I
O
= 1mA
6V < V
IN
< 28V,1mA < I
O
<50mA
V
IN
=40V;
T<1s5mA<I
O
<100mA
I
O
= 10mA
I
O
= 50mA
I
O
= 100mA
V
IN
= 4V, I
O
= 35mA
V
DP
Dropout Voltage
0.1
0.2
0.3
0.25
0.4
0.5
0.4
V
V
V
V
V
IO
Input to Output Voltage
Difference in Undervoltage
Condition
Max Output Leakage
Line Regulation
Load Regulation
Current Limit
I
outh
**
V
OL
V
OLO
I
LIM
V
IN
= 25V, V
O
= 5.5V
6V < V
IN
< 28V; I
O
= 1mA
1mA < I
O
< 100mA
V
O
= 4.5V
V
O
= 4.5V, T
J
= 25
°
C
V
O
= 0V (note1)
I
O
= 0.3mA; T
J
< 100
°
C
I
O
= 100mA
20
50
80
20
30
400
400
μ
A
mV
mV
mA
mA
mA
μ
A
mA
105
120
200
100
200
I
QSE
I
Q
Quiescent Current
Quiescent Current
300
5
** Withthis test we guaranteethat with no outputcurrent the output voltage will not exceed 5.5V
RESET
V
RT
V
RTH
t
RD
V
RL
I
RH
V
CTth
V
CTth, hy
Reset Thereshold Voltage
Reset Thereshold Hysteresis
Reset Pulse Delay
Reset Output Low Voltage
ResetOutputHigh Leakage Current V
RES
= 5V
Delay Comparator Thereshold
Delay Comparator Thereshold
Hysteresis
V
O
-0.5V
100
100
V
50
55
200
180
0.4
1
mV
ms
V
μ
A
V
mV
C
T
= 100nF; T
R
≥
100
μ
s
R
RES
= 10K
to V
O
V
S
≥
1.5V
2
100
SENSE
V
st
V
sth
V
SL
Sense Low Thereshold
Sense Thereshold Hysteresis
Sense Output Low Voltage
1.16
20
1.23
100
1.35
200
0.4
V
mV
V
V
SI
≤
1.16V; V
S
≥
3V
R
SO
= 10K
to V
O
V
SO
= 5V; V
SI
≥
1.5V
V
SI
= 0
I
SH
I
SI
Sense Output Leakage
Sense Input Current
1
-3
μ
A
μ
A
-20
-8
PREREGULATOR
V
Z
I
Z
Preregulator Output Voltage
Preregulator Output Current
I
Z
= 10
μ
A
4.5
5
6
V
μ
A
10
Note 1: Foldback characteristic
L4949E
3/10
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4949ED | 功能描述:低壓差穩(wěn)壓器 - LDO 5V Multifunction LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L4949ED013TR | 功能描述:低壓差穩(wěn)壓器 - LDO 5V Multifunction LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L4949ED013TR-1LF | 制造商:STMicroelectronics 功能描述:REG LDO LIN FIX POS 5V 0.1A 8SOIC - Tape and Reel |
| L4949ED013TR-5 | 制造商:STMicroelectronics 功能描述:REG LDO LIN FIX POS 5V 0.1A 8SOIC NON ROHS - Tape and Reel |
| L4949ED013TR-VI | 制造商:STMicroelectronics 功能描述:REG LDO LIN FIX POS 5V 0.1A 8SOIC LEADED - Tape and Reel |
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