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參數(shù)資料
| 型號： | L317LC |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3-TERMINAL ADJUSTABLE REGULATOR |
| 中文描述： | 三端可調穩(wěn)壓 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 266K |
| 代理商： | L317LC |
SLCS144 JULY 2004
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating virtual-junction temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
LM317LC
TYP
0.01
UNIT
MIN
MAX
0.02
Input voltage regulation (see Note 3)
VI VO = 5 V to 35 V
TJ = 25
°
C
IO = 2.5 mA to 100 mA
f = 120 Hz
%V
0.02
0.05
VO = 10 V,
VO = 10 V,
10-
μ
F capacitor between ADJUSTMENT and ground
65
Ripple regulation
66
80
dB
VI
IO = 2.5 mA to 100 mA,
TJ = 25
°
C
VO
≤
5 V
25
mV
Output voltage regulation
VO
≥
5 V
VO
≤
5 V
VO
≥
5 V
5
mV/V
VI = 5 V to 35 V,
IO = 2.5 mA to 100 mA
TJ = 0
°
C to 125
°
C
After 1000 hours at TJ = 125
°
C and VI VO = 35 V
f = 10 Hz to 10 kHz,
50
mV
10
mV/V
Output voltage change with temperature
10
mV/V
Output voltage long-term drift
3
10
mV/V
μ
V/V
mA
Output noise voltage
TJ = 25
°
C
30
Minimum output current to maintain regulation
VI VO = 35 V
VI VO
≤
35 V
1.5
2.5
Peak output current
100
200
mA
μ
A
μ
A
ADJUSTMENT current
50
100
Change in ADJUSTMENT current
VI VO = 2.5 V to 35 V,
VI VO = 5 V to 35 V,
P
≤
rated dissipation
IO = 2.5 mA to 100 mA
IO = 2.5 mA to 100 mA,
0.2
5
Reference voltage (output to ADJUSTMENT)
1.2
1.25
1.3
V
Unless otherwise noted, these specifications apply for the following test conditions: VI VO = 5 V and IO = 40 mA. Pulse-testing techniques must
be used that maintain the junction temperature as close to the ambient temperature as possible. All characteristics are measured with a 0.1-
μ
F
capacitor across the input and a 1-
μ
F capacitor across the output.
NOTE 3: Input voltage regulation is expressed here as the percentage change in output voltage per 1-V change at the input.
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