参数资料
型号: LM317LM
厂商: Fairchild Semiconductor
文件页数: 3/8页
文件大小: 0K
描述: IC REG LDO ADJ .1A 8-SOP
标准包装: 90
稳压器拓扑结构: 正,可调式
输出电压: 1.2 V ~ 37 V
输入电压: 最高 40 V
稳压器数量: 1
电流 - 输出: 100mA(最小值)
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOP
包装: 管件
产品目录页面: 1220 (CN2011-ZH PDF)
其它名称: LM317LMFS
Electrical Characteristics
V I - V O = 5 V, I O = 40 mA, 0 ° C ≤ T J ≤ +125 ° C, P DMAX = 625 mW, unless otherwise specified.
Symbol
R LINE
Parameter
Line Regulation (1)
Conditions
T A = +25 ° C, 3 V ≤ V I ? V O ≤ 40 V
3 V ≤ V I ? V O ≤ 40 V
Min.
Typ.
0.01
0.02
Max.
0.04
0.07
Unit
%/V
%/V
T A = +25 ° C,10 mA ≤ I O ≤ 100 mA,
V O ≤ 5 V
5
25
mV
R LOAD
I ADJ
Δ I ADJ
Load Regulation (1)
Adjustment Pin Current
Adjustment Pin Current Change
T A = +25 ° C,10 mA ≤ I O ≤ 100 mA,
V O ≥ 5 V
10 mA ≤ I O ≤ 100 mA, V O ≤ 5 V
10 mA ≤ I O ≤ 100 mA, V O ≥ 5 V
3 V ≤ V I - V O ≤ 40 V,
10 mA ≤ I O ≤ 100 mA,
P D < P DMAX
0.1
20
0.3
50
0.2
0.5
70
1.5
100
5
% / V O
mV
% / V O
μ A
μ A
V REF
Reference Voltage
3 V < V I - V O < 40 V,
10 mA ≤ I O ≤ 100 mA,
P D ≤ P DMAX
1.20
1.25
1.30
V
ST T
Temperature Stability
0.7
%
I L(MIN)
Minimum Load Current to
Maintain Regulation
V I - V O = 40 V
V I - V O ≤ 15 V, P D < P DMAX
100
3.5
200
10
mA
mA
I O(MAX)
e N
RR
ST
Maximum Output Current
RMS Noise, % of V OUT
Ripple Rejection
Long-Term Stability
T A = +25 ° C,
V I - V O ≤ 40 V, P D < P DMAX
T A = +25 ° C, 10 Hz < f < 10 kHz
V O = 10V, f = 120 Hz,
without C ADJ
V O = 10V, f = 120 Hz,
C ADJ = 10 μ F
T J = +125 ° C, 1000 Hours
25
66
50
0.003
65
80
0.3
mA
% / V O
dB
dB
%
Notes:
1. Load and Line regulation are specified at constant junction temperature. Change in V O due to heating effects
must be taken into account separately. Pulse testing with low duty cycle is used.
? 2002 Fairchild Semiconductor Corporation
LM317L Rev. 1.1.0
3
www.fairchildsemi.com
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