Electrical characteristics
LM117/LM217/LM317
4
Electrical characteristics
Table 4.
Electrical characteristics for LM117/LM217 (V - V = 5 V, I = 500 mA, I
= 1.5 A and
I
O
O
MAX
P
= 20 W, T = -55 to 150°C for LM117, T = -25 to 150 °C for LM217, unless otherwise
MAX
J
J
specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25°C
TJ = 25°C
TJ = 25°C
0.01
0.02
5
0.02
0.05
15
ΔVO
Line regulation
Load regulation
VI - VO = 3 to 40 V
%/V
VO ≤5 V
IO = 10 mA to IMAX
mV
%
20
50
ΔVO
0.1
0.3
50
0.3
1
VO ≥5 V,
IO = 10 mA to IMAX
IADJ
Adjustment pin current
100
5
µA
µA
ΔIADJ Adjustment pin current
VI - VO = 2.5 to 40V IO = 10 mA to IMAX
VI - VO = 2.5 to 40V IO= 10 mA to IMAX
0.2
Reference voltage
VREF
1.2
1.5
1.25
1
1.3
V
(between pin 3 and pin 1) PD ≤PMAX
Output voltage
temperature stability
ΔVO/VO
%
IO(min) Minimum load current
IO(max) Maximum load current
VI - VO = 40 V
3.5
2.2
0.4
5
mA
VI - VO ≤15 V, PD < PMAX
VI - VO = 40 V, PD < PMAX, TJ = 25°C
A
%
Output noise voltage
eN
B = 10Hz to 100kHz, TJ = 25°C
0.003
(percentage of VO)
C
ADJ=0
65
80
SVR
Supply voltage rejection (1) TJ = 25°C, f = 120Hz
dB
CADJ=10µF
66
1. CADJ is connected between pin 1 and ground.
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STMICROELECTRONICS [ ST ]
