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LMZ14201 Datasheet(PDF) 4 Page - Texas Instruments

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Part # LMZ14201
Description  SIMPLE SWITCHER 6V to 42V, 1A Power Module in Leaded SMT-TO Package
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LMZ14201 Datasheet(HTML) 4 Page - Texas Instruments

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LMZ14201
SNVS649I – JANUARY 2010 – REVISED OCTOBER 2015
www.ti.com
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
(1)
MIN
MAX
UNIT
VIN
6
42
V
EN
0
6.5
V
Operation Junction Temperature
−40
125
°C
(1)
Absolute Maximum Ratings are limits beyond which damage to the device may occur. Recommended Operating Ratings are conditions
under which operation of the device is intended to be functional. For ensured specifications and test conditions, see the Electrical
Characteristics.
6.4 Thermal Information
LMZ14201
THERMAL METRIC(1)
NDW (TO-PMOD)
UNIT
7 PINS
4 layer JEDEC Printed Circuit Board, 100 vias, No air flow
19.3
Junction-to-ambient
RθJA
°C/W
thermal resistance
2 layer JEDEC Printed Circuit Board, No air flow
21.5
RθJC(top)
Junction-to-case (top) thermal resistance
1.9
°C/W
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
6.5 Electrical Characteristics
Limits are for TJ = 25°C only unless otherwise noted. Minimum and Maximum limits are ensured through test, design or
statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference
purposes only. Unless otherwise stated the following conditions apply: VIN = 24 V, Vout = 3.3 V
PARAMETER
TEST CONDITIONS
MIN(1)
TYP(2)
MAX(1)
UNIT
SYSTEM PARAMETERS
ENABLE CONTROL(3)
VEN
EN threshold trip point
VEN rising
1.18
V
over the junction temperature
1.10
1.25
(TJ) range of –40°C to +125°C
VEN-HYS
EN threshold hysteresis
VEN falling
90
mV
SOFT-START
ISS
SS source current
VSS = 0 V
8
µA
over the junction temperature
5
11
(TJ) range of –40°C to +125°C
ISS-DIS
SS discharge current
-200
µA
CURRENT LIMIT
ICL
Current limit threshold
DC average
1.95
A
over the junction temperature
1.4
3
(TJ) range of –40°C to +125°C
ON/OFF TIMER
tON-MIN
ON timer minimum pulse
150
ns
width
tOFF
OFF timer pulse width
260
ns
(1)
Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation
using Statistical Quality Control (SQC) methods. Limits are used to calculate Average Outgoing Quality Level (AOQL).
(2)
Typical numbers are at 25°C and represent the most likely parametric norm.
(3)
EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See AN-2024 and layout for information on device under test.
4
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Copyright © 2010–2015, Texas Instruments Incorporated
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