參數(shù)資料
型號: LM340AT-12
廠商: ON SEMICONDUCTOR
元件分類: 基準電壓源/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: TO-220, 3 PIN
文件頁數(shù): 9/20頁
文件大?。?/td> 205K
代理商: LM340AT-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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LM340AT-5.0 功能描述:線性穩(wěn)壓器 - 標準 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 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L