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參數(shù)資料
| 型號： | LM340T-12 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| 中文描述： | 12 V FIXED POSITIVE REGULATOR, PSFM3 |
| 封裝： | PLASTIC, TO-220, 3 PIN |
| 文件頁數(shù)： | 8/20頁 |
| 文件大小： | 205K |
| 代理商： | LM340T-12 |
LM340, A Series
8
MOTOROLA ANALOG IC DEVICE DATA
LM340A–12
ELECTRICAL CHARACTERISTICS
(Vin = 19 V, IO = 1.0 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25
°
C)
IO = 5.0 mA to 1.0 A
VO
11.75
12
12.25
Vdc
Line Regulation
14.8 Vdc to 27 Vdc, IO = 500 mA
14.5 Vdc to 30 Vdc (TJ = +25
°
C)
16 Vdc to 22 Vdc
16 Vdc to 22 Vdc (TJ = +25
°
C)
Load Regulation
5.0 mA
≤
IO
≤
1.0 A
5.0 mA
≤
IO
≤
1.5 A (TJ = +25
°
C)
250 mA
≤
IO
≤
750 mA (TJ = +25
°
C)
Regline
–
–
–
–
–
4.0
–
–
18
18
30
9.0
mV
Regload
–
–
–
–
–
–
60
32
19
mV
Output Voltage
14.8
≤
Vin
≤
27 Vdc, 5.0 mA
≤
IO
≤
1.0 A, PD
≤
15 W
VO
11.5
–
12.5
Vdc
Quiescent Current
TJ = +25
°
C
IB
–
–
–
3.5
6.5
6.0
mA
Quiescent Current Change
5.0 mA
≤
IO
≤
1.0 A, Vin = 19 V
15
≤
Vin
≤
30 Vdc, IO = 500 mA
14.8
≤
Vin
≤
27 Vdc, IO = 1.0 A(TJ = +25
°
C)
IB
–
–
–
–
–
–
0.5
0.8
0.8
mA
Ripple Rejection
15
≤
Vin
≤
25 Vdc, f = 120 Hz
IO = 500 mA
IO = 1.0 A (TJ = +25
°
C)
RR
61
61
–
72
–
–
dB
Dropout Voltage
VI – VO
rO
ISC
Vn
–
1.7
–
Vdc
Output Resistance (f = 1.0 kHz)
–
2.0
–
m
Short Circuit Current Limit (TJ = +25
°
C)
Output Noise Voltage (TA = +25
°
C)
10 Hz
≤
f
≤
100 kHz
–
1.1
–
A
–
75
–
μ
V
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA
TCVO
–
±
1.5
–
mV/
°
C
Peak Output Current (TJ = +25
°
C)
Input Voltage to Maintain Line Regulation (TJ = +25
°
C)
IO
–
2.4
–
A
14.5
–
–
Vdc
NOTE:
1. Tlow to Thigh = 0
°
to +125
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM340T-12 | 制造商:Texas Instruments 功能描述:IC REGULATOR +12V |
| LM340T-12/HALF | 制造商:Texas Instruments 功能描述:IC, V REG +12V, TO-220-3, 340 |
| LM340T-12/LB01 | 制造商:Texas Instruments 功能描述:LDO Regulator Pos 12V 1A 3-Pin(3+Tab) TO-220 Rail |
| LM340T-12/LB06 | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LM340T-12/NOPB | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 3-TERMINAL POS REG RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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