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LMZ12003TZ-ADJ-NOPB 数据表(PDF) 5 Page - Texas Instruments

部件名 LMZ12003TZ-ADJ-NOPB
功能描述  3A SIMPLE SWITCHER짰 Power Module with 20V Maximum Input Voltage
Download  24 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

LMZ12003TZ-ADJ-NOPB 数据表(HTML) 5 Page - Texas Instruments

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LMZ12003
www.ti.com
SNVS636M – DECEMBER 2009 – REVISED MARCH 2013
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 = 12V, Vout = 1.8V
(1)
Min
Typ
Max
Symbol
Parameter
Conditions
Units
(2)
(3)
(2)
IFB
Feedback input bias current
5
nA
IQ
Non Switching Input Current
VFB= 0.86V
1
mA
ISD
Shut Down Quiescent Current
VEN= 0V
25
μA
Thermal Characteristics
TSD
Thermal Shutdown
Rising
165
°C
TSD-HYST
Thermal shutdown hysteresis
Falling
15
°C
θJA
(4)
Junction to Ambient
4 layer JEDEC Printed Circuit Board,
19.3
°C/W
100 vias, No air flow
2 layer JEDEC Printed Circuit Board, No
21.5
°C/W
air flow
θJC
Junction to Case
No air flow
1.9
°C/W
PERFORMANCE PARAMETERS
ΔVO
Output Voltage Ripple
8
mV PP
ΔVO/ΔVIN
Line Regulation
VIN = 8V to 20V, IO= 3A
.01
%
ΔVO/ΔVIN
Load Regulation
VIN = 12V
1.5
mV/A
η
Efficiency
VIN = 12V VO = 1.8V IO = 1A
87
%
η
Efficiency
VIN = 12V VO = 1.8V IO = 3A
77
%
(4)
θJA measured on a 1.705” x 3.0” four layer board, with one ounce copper, thirty five 12 mil thermal vias, no air flow, and 1W power
dissipation. Refer to PCB layout diagrams.
Copyright © 2009–2013, Texas Instruments Incorporated
Submit Documentation Feedback
5
Product Folder Links: LMZ12003


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