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LM317AEMP bảng dữ liệu(PDF) 4 Page - Texas Instruments

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tên linh kiện LM317AEMP
Giải thích chi tiết về linh kiện  LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
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LM117, LM317-N
SNVS774L – MAY 2004 – REVISED FEBRUARY 2011
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings
(1) (2)
Power Dissipation
Internally Limited
Input-Output Voltage Differential
+40V,
−0.3V
Storage Temperature
−65°C to +150°C
Lead Temperature
Metal Package (Soldering, 10 seconds)
300°C
Plastic Package (Soldering, 4 seconds)
260°C
ESD Tolerance (3)
3 kV
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is intended to be functional, but do not ensure specific performance limits. For ensured specifications and test
conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed.
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(3)
Human body model, 100 pF discharged through a 1.5 k
Ω resistor.
Operating Temperature Range
LM117
−55°C ≤ TJ ≤ +150°C
LM317A
−40°C ≤ TJ ≤ +125°C
LM317-N
0°C
≤ TJ ≤ +125°C
Preconditioning
Thermal Limit Burn-In
All Devices 100%
LM117 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.
LM117 (2)
Parameter
Conditions
Min
Typ
Max
Units
3V
≤ (VIN − VOUT) ≤ 40V,
Reference Voltage
1.20
1.25
1.30
V
10 mA
≤ IOUT ≤ IMAX
(1)
0.01
0.02
Line Regulation
3V
≤ (VIN − VOUT) ≤ 40V
(3)
%/V
0.02
0.05
0.1
0.3
Load Regulation
10 mA
≤ IOUT ≤ IMAX
(1) (3)
%
0.3
1
Thermal Regulation
20 ms Pulse
0.03
0.07
%/W
Adjustment Pin Current
50
100
μA
10 mA
≤ IOUT ≤ IMAX
(1)
Adjustment Pin Current Change
0.2
5
μA
3V
≤ (VIN − VOUT) ≤ 40V
Temperature Stability
TMIN ≤ TJ ≤ TMAX
1
%
Minimum Load Current
(VIN − VOUT) = 40V
3.5
5
mA
NDS Package
1.5
2.2
3.4
(VIN − VOUT) ≤ 15V
A
NDT, NAJ Package
0.5
0.8
1.8
Current Limit
NDS Package
0.3
0.4
(VIN − VOUT) = 40V
A
NDT, NAJ Package
0.15
0.20
RMS Output Noise, % of VOUT
10 Hz
≤ f ≤ 10 kHz
0.003
%
(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)
Refer to RETS117H drawing for the LM117H, or the RETS117K for the LM117K military specifications.
(3)
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.
4
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Copyright © 2004–2011, Texas Instruments Incorporated
Product Folder Links: LM117 LM317-N


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