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參數(shù)資料
| 型號(hào)： | LP38691DT-1.8 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors |
| 中文描述： | 1.8 V FIXED POSITIVE LDO REGULATOR, PSSO2 |
| 封裝： | TO-252, 3 PIN |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 793K |
| 代理商： | LP38691DT-1.8 |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Lead Temp. (Soldering, 5 seconds)
ESD Rating (Note 3)
Power Dissipation (Note 2)
V(max) All pins (with respect to GND)
65C to +150C
260C
2 kV
Internally Limited
-0.3V to 12V
I
OUT
Junction Temperature
Internally Limited
40C to +150C
Operating Ratings
V
IN
Supply Voltage
Operating Junction
Temperature Range
2.7V to 10V
40C to +125C
Electrical Characteristics
over the full operating temperature range. Unless otherwise specified: V
= V
OUT
+ 1V, C
IN
= C
OUT
= 10 μF, I
LOAD
= 10mA.
Min/Max limits are guaranteed through testing, statistical correlation, or design.
Limits in standard typeface are for T
J
= 25C, and limits in
boldface type
apply
Symbol
Parameter
Conditions
MIN
TYP
(Note 4)
MAX
Units
V
O
Output Voltage Tolerance
-2.0
2.0
%V
OUT
100 μA
<
I
L
<
0.5A
V
O
+ 1V
≤
V
IN
≤
10V
V
O
+ 0.5V
≤
V
IN
≤
10V
I
L
= 25mA
1 mA
<
I
L
<
0.5A
V
IN
= V
O
+ 1V
(V
O
= 2.5V)
I
L
= 0.1A
I
L
= 0.5A
(V
O
= 3.3V)
I
L
= 0.1A
I
L
= 0.5A
(V
O
= 5V)
I
L
= 0.1A
I
L
= 0.5A
V
IN
≤
10V, I
L
=100 μA - 0.5A
V
EN
≤
0.4V, (LP38693 Only)
V
IN
- V
O
≤
4V
V
IN
- V
O
>
5V
V
IN
- V
O
<
4V
V
IN
= V
O
+ 2V(DC), with 1V(p-p)
/ 120Hz Ripple
-4.0
4.0
V
O
/
V
IN
Output Voltage Line Regulation
(Note 6)
Output Voltage Load Regulation
(Note 7)
0.03
0.1
%/V
V
O
/
I
L
1.8
5
%/A
V
IN
- V
OUT
Dropout Voltage (Note 8)
80
430
145
725
mV
65
330
110
550
45
250
100
450
I
Q
Quiescent Current
55
100
1
100
μA
0.001
I
L
(MIN)
I
FB
Minimum Load Current
Foldback Current Limit
350
850
mA
PSRR
Ripple Rejection
55
dB
T
SD
Thermal Shutdown Activation
(Junction Temp)
Thermal Shutdown Hysteresis
(Junction Temp)
160
C
T
SD
(HYST)
10
L
www.national.com
4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP38691DT-2.5 | 功能描述:低壓差穩(wěn)壓器 - 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(dòng)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 |
| LP38691DT-2.5/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO 500Ma LDO Reg 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(dòng)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 |
| LP38691DT-3.3 | 功能描述:低壓差穩(wěn)壓器 - 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(dòng)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 |
| LP38691DT-3.3/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO 500Ma LDO Reg 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(dòng)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 |
| LP38691DT-3.3/NOPB | 制造商:Texas Instruments 功能描述:Voltage Regulator IC |
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