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LMZ22003 Arkusz danych(PDF) 4 Page - Texas Instruments

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Numer części LMZ22003
Szczegółowy opis  3A SIMPLE SWITCHER Power Module With 20-V Maximum Input Voltage
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
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LMZ22003
SNVS658I – MARCH 2011 – REVISED AUGUST 2015
www.ti.com
6.2 ESD Ratings
VALUE
UNIT
V(ESD)
Electrostatic discharge
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)
±2000
V
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
VIN
6
20
V
EN, SYNC
0
5
V
Operation junction temperature
–40
125
°C
6.4 Thermal Information
LMZ22003
THERMAL METRIC(1)
NDW
UNIT
7 PINS
4-layer Evaluation Printed-Circuit-Board,
12.0
60 vias, No air flow
Junction-to-ambient thermal
RθJA
°C/W
resistance(2)
2-layer JEDEC Printed-Circuit-Board,
21.5
No air flow
Junction-to-case (top) thermal
RθJC(top)
No air flow
1.9
°C/W
resistance
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
(2)
RθJA measured on a 3.5-in × 3.5-in 4-layer board, with 3-oz. copper on outer layers and 2-oz. copper on inner layers, sixty thermal vias,
no air flow, and 1-W power dissipation. Refer to application note layout diagrams.
6.5 Electrical Characteristics
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 = 12 V, VOUT = 3.3 V.
PARAMETER
TEST CONDITIONS
MIN(1)
TYP(2)
MAX(1)
UNIT
SYSTEM PARAMETERS
ENABLE CONTROL
VEN rising, TJ = 25°C
1.279
VEN
EN threshold trip point
V
VEN rising, TJ = –40°C to +125°C
1.1
1.458
VEN-HYS
EN input hysteresis current
VEN > 1.279 V
–21
µA
SOFT-START
VSS = 0 V, TJ = 25°C
50
ISS
SS source current
µA
VSS = 0 V, TJ = –40°C to +125°C
40
50
60
tSS
Internal soft-start interval
1.6
ms
CURRENT LIMIT
ICL
Current limit threshold
DC average, TJ = –40°C to +125°C
3.4
A
(1)
Minimum and Maximum 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.
4
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