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LM317AK Scheda tecnica(PDF) 2 Page - Seme LAB

Il numero della parte LM317AK
Spiegazioni elettronici  POSITIVE ADJUSTABLE VOLTAGE REGULATOR
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Produttore elettronici  SEME-LAB [Seme LAB]
Homepage  http://www.semelab.co.uk
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POSITIVE ADJUSTABLE
VOLTAGE REGULATOR
Semelab Limited
Semelab Limited
Semelab Limited
Semelab Limited
Coventry Road, Lutterworth, Leicestershire, LE17 4JB
Telephone +44 (0) 1455 556565
Fax +44 (0) 1455 552612
Email: sales@semelab-tt.com
Website: http://www.semelab-tt.com
Document Number 8375
Issue 1
Page 2 of 7
ELECTRICAL CHARACTERISTICS(1)(3) (TC = 25°C unless otherwise stated)
LM117, IP117, LM117HV, IP117HV
Symbols
Parameters
Test Conditions
Min.
Typ
Max.
Units
IOUT = 10mA
1.200
1.250
1.300
VREF
Reference Voltage
10mA ≤ IOUT ≤ IMAX, P ≤ PMAX,
3V ≤ (VIN-VOUT) ≤ VMAX
1.200
1.250
1.300
V
0.010
0.020
IN
OUT
V
V
Line Regulation (2)
3V ≤ (VIN-VOUT) ≤ VMAX,
IOUT = 10mA
0.020
0.050
%/V
VOUT ≤ 5V
5
15
mV
VOUT ≥ 5V
0.1
0.3
%
VOUT ≤ 5V
20
50
mV
OUT
I
OUT
V
Load Regulation (2)(3)
10mA ≤ IOUT ≤ IMAX
VOUT ≥ 5V
0.3
1.0
%
Thermal Regulation
VIN = 14.58V, IOUT = 1.5A,
PD = 20W, TA = 25°C, 20ms Pulse
0.030
0.070
%/W
VOUT = 10V
CADJ = 0
65
Ripple Rejection
f = 120Hz
CADJ = 10µF
66
80
dB
IADJ
Adjust Pin Current
50
100
∆IADJ
Adjust Pin Current Change
10mA ≤ IOUT ≤ IMAX,
2.5V ≤ (VIN-VOUT) ≤ VMAX
0.2
5
µA
(VIN - VOUT) = 40V
3.5
5
IMIN
Minimum Load Current
(VIN - VOUT) = 60V (HV Series)
(HV Series)
(HV Series)
(HV Series)
3.5
7
mA
(VIN - VOUT) ≤ 15V
1.5
2.2
(VIN - VOUT) = 40V
0.3
0.5
ICL
Current Limit
(VIN - VOUT) = 60V (HV Series)
(HV Series)
(HV Series)
(HV Series)
0.1
A
TEMP
OUT
V
Temperature Stability
1.0
TIME
OUT
V
Long Term Stability
TA = 125°C, 1000Hrs
0.3
1.0
en
RMS Output Noise
(% of VOUT)
TA = 25°C, 10Hz ≤ f ≤ 10KHz
0.001
%
Notes
Notes
Notes
Notes
The ● denotes the specifications which apply over the full operating temperature range.
(1)
Test conditions unless otherwise stated: VIN - VOUT = 5V, IOUT = 0.5A, PMAX = 20W, IMAX = 1.5A
(2)
Regulation is measured at constant junction temperature, using pulse testing at a low duty cycle. Changes in output voltage due to heating
effects are covered under thermal regulation specifications. Load regulation is measured at
1/
8” below the bottom of the package.
(3)
VMAX = 40V for LM117, IP117, LM117A, IP117A, LM317, IP317, LM317A, IP317A
VMAX = 60V for LM117HV, IP117HV, LM117AHV, IP117AHV, LM317HV, IP317HV, LM317AHV, IP317AHV


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