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參數(shù)資料
| 型號(hào)： | LP38690 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 1A Low Dropout CMOS Linear Regulators |
| 中文描述： | 1A低壓降CMOS線性穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 3/13頁(yè) |
| 文件大?。?/td> | 777K |
| 代理商： | LP38690 |
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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)
1.25
Max
Units
V
ADJ
ADJ Pin Voltage
V
IN
= 2.7V
3.2V
≤
V
IN
≤
10V
100 μA
<
I
L
<
1A
V
O
+ 0.5V
≤
V
IN
≤
10V
I
L
= 25mA
1 mA
<
I
L
<
1A
V
IN
= V
O
+ 1V
(V
O
= 1.8V)
I
L
= 1A
(V
O
= 2.5V)
I
L
= 0.1A
I
L
= 1A
(V
O
= 3.3V)
I
L
= 0.1A
I
L
= 1A
(V
O
= 5V)
I
L
= 0.1A
I
L
= 1A
V
IN
≤
10V, I
L
= 100 μA - 1A
V
EN
≤
0.4V, (LP38692-ADJ 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
1.219
1.281
V
1.187
1.25
1.313
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
O
Dropout Voltage (Note 8)
950
1600
mV
80
800
145
1300
65
650
110
1000
45
450
100
800
I
Q
Quiescent Current
55
100
1
100
μA
0.001
I
L
(MIN)
I
FB
Minimum Load Current
Foldback Current Limit
450
1500
mA
PSRR
Ripple Rejection
55
dB
T
SD
Thermal Shutdown Activation
(Junction Temp)
Thermal Shutdown Hysteresis
(Junction Temp)
ADJ Input Leakage Current
160
C
T
SD
(HYST)
I
ADJ
10
V
ADJ
= 0 - 1.5V
V
IN
= 10V
-100
0.01
100
nA
L
www.national.com
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PDF描述 |
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| LP38691 | 500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors |
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| LP38691DT-2.5 | 500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP38690-ADJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1A Low Dropout CMOS Linear Regulators with Adjustable Output Stable with Ceramic Output Capacitors |
| LP38690DT-1.8 | 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 |
| LP38690DT-1.8/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO 1A LDO CMOS Linear 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 |
| LP38690DT-1.8/NOPB | 制造商:Texas Instruments 功能描述:Voltage Regulator IC |
| LP38690DT-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 |
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