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LM117K bảng dữ liệu(PDF) 5 Page - Texas Instruments

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tên linh kiện LM117K
Giải thích chi tiết về linh kiện  LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
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LM117K bảng dữ liệu(HTML) 5 Page - Texas Instruments

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LM117, LM317-N
www.ti.com
SNVS774L – MAY 2004 – REVISED FEBRUARY 2011
LM117 Electrical Characteristics
(1) (continued)
Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating
Temperature Range. Unless otherwise specified, VIN − VOUT = 5V, and IOUT = 10 mA.
LM117 (2)
Parameter
Conditions
Min
Typ
Max
Units
VOUT = 10V, f = 120 Hz, CADJ = 0 μF
65
dB
Ripple Rejection Ratio
VOUT = 10V, f = 120 Hz, CADJ = 10 μF
66
80
dB
Long-Term Stability
TJ = 125°C, 1000 hrs
0.3
1
%
NDS (TO-3) Package
2
Thermal Resistance,
θJC
NDT (TO) Package
21
°C/W
Junction-to-Case
NAJ (LCCC) Package
12
NDS (TO-3) Package
39
Thermal Resistance,
θJA
Junction-to-Ambient
NDT (TO) Package
186
°C/W
(No Heat Sink)
NAJ (LCCC) Package
88
LM317A and LM317-N Electrical Characteristics
(1)
Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating
Temperature Range. Unless otherwise specified, VIN − VOUT = 5V, and IOUT = 10 mA.
LM317A
LM317-N
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Units
1.238
1.250
1.262
-
1.25
-
V
Reference Voltage
3V
≤ (VIN − VOUT) ≤ 40V,
1.225
1.250
1.270
1.20
1.25
1.30
V
10 mA
≤ IOUT ≤ IMAX
(1)
0.005
0.01
0.01
0.04
Line Regulation
3V
≤ (VIN − VOUT) ≤ 40V
(2)
%/V
0.01
0.02
0.02
0.07
0.1
0.5
0.1
0.5
Load Regulation
10 mA
≤ IOUT ≤ IMAX
(1) (2)
%
0.3
1
0.3
1.5
Thermal Regulation
20 ms Pulse
0.04
0.07
0.04
0.07
%/W
Adjustment Pin Current
50
100
50
100
μA
Adjustment Pin Current
10 mA
≤ IOUT ≤ IMAX
(1)
0.2
5
0.2
5
μA
Change
3V
≤ (VIN − VOUT) ≤ 40V
Temperature Stability
TMIN ≤ TJ ≤ TMAX
1
1
%
Minimum Load Current
(VIN − VOUT) = 40V
3.5
10
3.5
10
mA
NDS, KTT Packages
-
-
-
1.5
2.2
3.4
(VIN − VOUT) ≤ 15V
DCY, NDE Packages
1.5
2.2
3.4
1.5
2.2
3.4
A
NDT, MDT Packages
0.5
0.8
1.8
0.5
0.8
1.8
Current Limit
NDS, KTT Packages
-
-
0.15
0.40
(VIN − VOUT) = 40V
DCY, NDE Packages
0.112
0.30
0.112
0.30
A
NDT, MDT Packages
0.075
0.20
0.075
0.20
RMS Output Noise, % of
10 Hz
≤ f ≤ 10 kHz
0.003
0.003
%
VOUT
VOUT = 10V, f = 120 Hz, CADJ = 0 μF
65
65
dB
Ripple Rejection Ratio
VOUT = 10V, f = 120 Hz, CADJ = 10 μF
66
80
66
80
dB
Long-Term Stability
TJ = 125°C, 1000 hrs
0.3
1
0.3
1
%
(1)
IMAX = 1.5A for the NDS (TO-3), NDE (TO-220), and KTT (TO-263) packages. IMAX = 1.0A for the DCY (SOT-223) package. IMAX = 0.5A
for the NDT (TO), MDT (PFM), and NAJ (LCCC) packages. Device power dissipation (PD) is limited by ambient temperature (TA), device
maximum junction temperature (TJ), and package thermal resistance (θJA). The maximum allowable power dissipation at any
temperature is : PD(MAX) = ((TJ(MAX) - TA)/θJA). All Min. and Max. limits are ensured to TI's Average Outgoing Quality Level (AOQL).
(2)
Regulation is measured at a constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to
heating effects are covered under the specifications for thermal regulation.
Copyright © 2004–2011, Texas Instruments Incorporated
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