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LMZ14203 Folha de dados(PDF) 5 Page - Texas Instruments

Nome de Peças LMZ14203
Descrição Electrónicos  SIMPLE SWITCHER 6V to 42V, 3A Power Module in Leaded SMT-TO Package
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

LMZ14203 Folha de dados(HTML) 5 Page - Texas Instruments

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LMZ14203
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SNVS632R – DECEMBER 2009 – REVISED OCTOBER 2015
Electrical Characteristics (continued)
Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of –40°C
to +125°C. 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
ON/OFF Timer
tON-MIN
ON timer minimum
150
ns
pulse width
tOFF
OFF timer pulse
260
ns
width
Regulation and Overvoltage Comparator
VFB
In-regulation
VSS > 0.8 V
0.804
feedback voltage
TJ = –40°C to 125°C
V
over the junction temperature (TJ)
0.784
0.825
IO = 3 A
range of –40°C to +125°C
VSS > 0.8 V
TJ = 25°C
0.786
0.802
0.818
V
IO = 10 mA
VFB-OV
Feedback
overvoltage
0.92
V
protection threshold
IFB
Feedback input bias
5
nA
current
IQ
Nonswitching Input
VFB= 0.86 V
1
mA
Current
ISD
Shut Down
VEN= 0 V
25
μA
Quiescent Current
Thermal Characteristics
TSD
Thermal Shutdown
Rising
165
°C
TSD-HYST
Thermal shutdown
Falling
15
°C
hysteresis
PERFORMANCE PARAMETERS
ΔVO
Output Voltage
8
mV PP
Ripple
ΔVO/ΔVIN Line Regulation
VIN = 12 V to 42 V, IO= 3 A
0.01%
ΔVO/IOUT Load Regulation
VIN = 24 V
1.5
mV/A
η
Efficiency
VIN = 24 V VO = 3.3 V IO = 1 A
92%
η
Efficiency
VIN = 24 V VO = 3.3 V IO = 3 A
85%
Copyright © 2009–2015, Texas Instruments Incorporated
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