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參數(shù)資料
| 型號： | LM340K-12 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3-Terminal Positive Regulators |
| 中文描述： | 12 V FIXED POSITIVE REGULATOR, MBFM2 |
| 封裝： | METAL CAN, TO-3, 2 PIN |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 205K |
| 代理商： | LM340K-12 |
LM340, A Series
9
MOTOROLA ANALOG IC DEVICE DATA
LM340–15
ELECTRICAL CHARACTERISTICS
(Vin = 23 V, IO = 500 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
14.4
15
15.6
Vdc
Line Regulation (Note 2)
18.5 Vdc to 30 Vdc
17.5 Vdc to 30 Vdc (TJ = +25
°
C)
20 Vdc to 26 Vdc, IO = 1.0 A
17.7 Vdc to 30 Vdc, IO = 1.0 A (TJ = +25
°
C)
Regline
–
–
–
–
–
–
–
–
150
150
75
150
mV
Load Regulation (Note 2)
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)
Regload
–
–
–
–
–
–
150
150
75
mV
Output Voltage
17.5
≤
Vin
≤
30 Vdc, 5.0 mA
≤
IO
≤
1.0 A, PD
≤
15 W
VO
14.25
–
15.75
Vdc
Quiescent Current
IO = 1.0 A
TJ = +25
°
C
IB
–
–
–
4.0
8.5
8.0
mA
Quiescent Current Change
17.5
≤
Vin
≤
30 Vdc, IO = 500 mA
5.0 mA
≤
IO
≤
1.0 A, Vin = 23 V
17.9
≤
Vin
≤
30 Vdc, IO = 1.0 A
IB
–
–
–
–
–
–
1.0
0.5
1.0
mA
Ripple Rejection
IO = 1.0 mA (TJ = +25
°
C)
RR
54
70
–
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
–
800
–
A
–
90
–
μ
V
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA
TCVO
–
±
1.8
–
mV/
°
C
Peak Output Current (TJ = +25
°
C)
Input Voltage to Maintain Line Regulation (TJ = +25
°
C)
IO = 1.0 A
IO
–
2.4
–
A
17.7
–
–
Vdc
NOTES:
1.Tlow to Thigh = 0
°
to +125
°
C
2.Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately.
Pulse testing with low duty cycle is used.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM340K-12 | 制造商:Texas Instruments 功能描述:IC V REG +12V TO-3-2 340 |
| LM340K-12/NOPB | 功能描述:IC REG LDO 12V 1A TO-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:500mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-205AD，TO-39-3 金屬罐 供應(yīng)商設(shè)備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
| LM340K127812P+ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3-Terminal Positive Regulators |
| LM340K15 | 制造商:Motorola 功能描述:_ 制造商:NATIONAL 功能描述:New |
| LM340K-15 | 制造商:Motorola 功能描述:_ 制造商:Motorola Inc 功能描述: 制造商:Texas Instruments 功能描述: 制造商: 功能描述: 制造商:undefined 功能描述: 制造商:Texas Instruments 功能描述:IC V REG +15V TO-3-2 340 |
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