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LM76002-Q データシート(PDF) 1 Page - Texas Instruments

部品番号 LM76002-Q
部品情報  3.5-V to 60-V, 2.5-A/3.5-A Synchronous Step-Down Voltage Regulator
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
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LM76002-Q データシート(HTML) 1 Page - Texas Instruments

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Load Current (A)
0.001
0.01
0.1
1
5
5
0
10
20
30
40
50
60
70
80
90
100
D034
VIN = 8 V
VIN = 12 V
VIN = 13.5 V
VIN = 24 V
LM76003
VIN
PVIN
EN
BOOT
SW
FB
AGND
VOUT
CBOOT
L
CIN
COUT
RFBT
RFBB
VCC
BIAS
PGND
CVCC
Copyright © 2017, Texas Instruments Incorporated
SS/TRK
RT
SYNC/MODE
Product
Folder
Order
Now
Technical
Documents
Tools &
Software
Support &
Community
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
LM76002-Q1, LM76003-Q1
SNVSAU3 – DECEMBER 2017
LM76002-Q1/LM76003-Q1 3.5-V to 60-V, 2.5-A/3.5-A Synchronous
Step-Down Voltage Regulator
1
1 Features
1
Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
Device Temperature Grade 1: –40°C to
+125°C Ambient Operating Temperature
Device HBM ESD Classification Level 2
Device CDM ESD Classification Level C5
–40°C to +125°C Junction Temperature Range
Integrated Synchronous Rectification
Input Voltage 3.5 V to 60 V (65 V Maximum)
Output Voltage 1 V to 95% VIN
15-µA Quiescent Current in Regulation
Wide Voltage Conversion Range
tON-MIN = 65 ns (Typical)
tOFF-MIN = 95 ns (Typical)
System-Level Features
Synchronization to External Clock
Power-Good Flag
Adjustable Soft Start (6.3 ms Default)
Pin-Selectable FPWM Operation
Adjustable Frequency Range: 300 kHz to 2.2 MHz
High-Efficiency at Light-Load Architecture (PFM)
Protection Features
Cycle-by-Cycle Current Limit
Short-Circuit Protection With Hiccup Mode
Overtemperature Thermal Shutdown
Protection
Create a Custom Design Using the LM76002/03-
Q1 With the WEBENCH® Power Designer
Simplified Schematic
2 Applications
Camera Applications for Commercial Vehicles
Infotainment and Cluster
Hybrid Electric Vehicles
Electric Vehicles
3 Description
The LM76002-Q1/LM76003-Q1 regulator is an easy-
to-use synchronous step-down DC-DC converter
capable of driving up to 2.5 A (LM76002-Q1) or 3.5 A
(LM76003-Q1) of load current from an input up to
60
V.
The
LM76002-Q1/LM76003-Q1
provides
exceptional efficiency and output accuracy in a very
small solution size. Peak current-mode control is
employed. Additional features such as adjustable
switching frequency, synchronization, FPWM option,
power-good flag, precision enable, adjustable soft
start, and tracking provide both flexible and easy-to-
use solutions for a wide range of applications.
Automatic frequency foldback at light load and
optional external bias improve efficiency. This device
requires few external components and has a pinout
designed for simple PCB layout with best-in-class
EMI (CISPR25) and thermal performance. Protection
features include input undervoltage lockout, thermal
shutdown, cycle-by-cycle current limit, and short-
circuit protection. The LM76002-Q1/ LM76003-Q1
device is available in the WQFN 30-pin leadless
package with wettable flanks.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
LM76002-Q1
WQFN (30)
6.00 mm × 4.00 mm
LM76003-Q1
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
space
Efficiency vs Output Current
(VOUT = 5 V, fSW = 400 kHz, Auto Mode)


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