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LM338P

Description
1.2 V-32 V ADJUSTABLE POSITIVE REGULATOR, MBFM3
CategoryPower/power management    The power supply circuit   
File Size190KB,12 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LM338P Overview

1.2 V-32 V ADJUSTABLE POSITIVE REGULATOR, MBFM3

LM338P Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Parts packaging codeTO-3P
package instruction, SIP3,.1,215
Contacts3
Reach Compliance Codecompli
ECCN codeEAR99
AdjustabilityADJUSTABLE
Maximum Differential Input-Output Voltage35 V
Minimum Differential Input-Output Voltage3 V
JESD-30 codeR-PSFM-T3
JESD-609 codee0
Maximum grid regulation rate (%/V)0.06
Maximum load regulation (%)1%
Number of functions1
Output times1
Number of terminals3
Working temperatureTJ-Max125 °C
Operating temperatureTJ-Mi
Maximum output current 15 A
Maximum output voltage 132 V
Minimum output voltage 11.2 V
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeSIP3,.1,215
Package shapeRECTANGULAR
Package formFLANGE MOUNT
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Regulator typeADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
surface mountNO
technologyBIPOLAR
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch5.5 mm
Terminal locationSINGLE
Maximum time at peak reflow temperatureNOT SPECIFIED
Base Number Matches1
LT138A/LT338A
LM138/LM338
5A Positive Adjustable
Voltage Regulator
FEATURES
s
s
s
s
s
DESCRIPTIO
Guaranteed
1% Initial Tolerance
Guaranteed
0.3% Load Regulation
Guaranteed
5A Output Current
100% Thermal Limit Burn-In
12A Transient Output Current
APPLICATIO S
s
s
s
s
High Power Linear Regulator
Battery Chargers
Power Driver
Constant-Current Regulator
The LT
®
138A series of adjustable regulators provide 5A
output current over an output voltage range of 1.2V to 32V.
The internal voltage reference is trimmed to less than 1%,
enabling a very tight output voltage. In addition to excel-
lent line and load regulation, with full overload protection,
the LT138A incorporates new current limiting circuitry
allowing large transient load currents to be handled for
short periods. Transient load currents of up to 12A can be
supplied without limiting, eliminating the need for a large
output capacitor.
The LT138A is an improved version of the popular LM138
with improved circuit design and advanced process tech-
niques to provide superior performance and reliability.
The graph below shows the significant improvement in
output voltage tolerance achieved by using the LT138A or
LT338A.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Parallel Regulators for Higher Current*
12
LT338A
V
IN
V
IN
ADJ
V
OUT
0.01Ω**
OUTPUT VOLTAGE ERROR (%)
5V
8A
11
10
9
8
7
6
5
4
3
2
1
0
1% RESISTORS
2% RESISTORS
LT338A
2% RESISTORS
1% RESISTORS
LM338
LM338
LT338A
LT350A
V
IN
ADJ
V
OUT
0.016Ω**
121Ω
1%
365Ω
1%
138/338 TA01
1
*THIS CIRCUIT WILL NOT WORK WITH LM VERSION DEVICES
**CURRENT SHARING RESISTORS DEGRADE REGULATION TO 1%
U
Output Voltage Error
10
OUTPUT VOLTAGE (V)
100
138A/338A TA02
U
U
1

LM338P Related Products

LM338P LM-338K LM338K
Description 1.2 V-32 V ADJUSTABLE POSITIVE REGULATOR, MBFM3 1.2 V-32 V ADJUSTABLE POSITIVE REGULATOR, MBFM3 1.2 V-32 V ADJUSTABLE POSITIVE REGULATOR, MBFM3
Number of functions 1 1 1
Number of terminals 3 3 2
Terminal form THROUGH-HOLE PIN/PEG PIN/PEG
Terminal location SINGLE BOTTOM BOTTOM
Is it Rohs certified? incompatible - incompatible
Parts packaging code TO-3P - TO-204AA
package instruction , SIP3,.1,215 - , TO-204/-3
Contacts 3 - 2
Reach Compliance Code compli - unknow
ECCN code EAR99 - EAR99
Adjustability ADJUSTABLE - ADJUSTABLE
Maximum Differential Input-Output Voltage 35 V - 35 V
Minimum Differential Input-Output Voltage 3 V - 3 V
JESD-30 code R-PSFM-T3 - O-MBFM-P2
JESD-609 code e0 - e0
Maximum grid regulation rate (%/V) 0.06 - 0.06
Maximum load regulation (%) 1% - 1%
Output times 1 - 1
Working temperatureTJ-Max 125 °C - 125 °C
Maximum output current 1 5 A - 5 A
Maximum output voltage 1 32 V - 32 V
Minimum output voltage 1 1.2 V - 1.2 V
Package body material PLASTIC/EPOXY - METAL
Encapsulate equivalent code SIP3,.1,215 - TO-204/-3
Package shape RECTANGULAR - ROUND
Package form FLANGE MOUNT - FLANGE MOUNT
Peak Reflow Temperature (Celsius) NOT SPECIFIED - NOT SPECIFIED
Certification status Not Qualified - Not Qualified
Regulator type ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR - ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
surface mount NO - NO
technology BIPOLAR - BIPOLAR
Terminal surface Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb)
Maximum time at peak reflow temperature NOT SPECIFIED - NOT SPECIFIED
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