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LMR23610AEVM 其他数据使用手册 - TI（德州仪器）
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LMR23610AEVM数据手册
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I
OUT
(A)
Efficiency (%)
0.0001 0.001 0.01 0.1 1
40
50
60
70
80
90
100
D000
V
OUT
= 5 V
V
OUT
= 3.3 V
BOOT
SW
L
C
BOOT
FB
VIN
V
IN
up to 36 V
PGND
C
OUT
EN/SYNC
C
IN
VCC
AGND
V
OUT
C
VCC
R
FBT
R
FBB
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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.
LMR23610
SNVSAH4B –DECEMBER 2015–REVISED APRIL 2017
LMR23610 SIMPLE SWITCHER
®
36 V, 1 A Synchronous Step-Down Converter
1
1 Features
1
• 4.5 V to 36 V Input Range
• 1 A Continuous Output Current
• Integrated Synchronous Rectification
• Current Mode Control
• Minimum Switch-On Time: 60 ns
• 400 kHz Switching Frequency With PFM Mode
• Frequency Synchronization to External Clock
• Internal Compensation for Ease of Use
• 75 µA Quiescent Current at No Load
• Soft-Start into a Pre-Biased Load
• High Duty Cycle Operation Supported
• Precision Enable Input
• Output Short-Circuit Protection with Hiccup Mode
• Thermal Protection
• 8-Pin HSOIC with PowerPAD™ Package
• Create a Custom Design Using the LMR23610
With the WEBENCH
®
Power Designer
2 Applications
• Automotive Battery Regulation
• Industrial Power Supplies
• Telecom and Datacom Systems
• General Purpose Wide Vin Regulation
• space
3 Description
The LMR23610 SIMPLE SWITCHER
®
is an easy to
use 36 V, 1 A synchronous step down regulator. With
a wide input range from 4.5 V to 36 V, it is suitable
for various applications from industrial to automotive
for power conditioning from unregulated sources.
Peak current mode control is employed to achieve
simple control loop compensation and cycle-by-cycle
current limiting. A quiescent current of 75 µA makes it
suitable for battery powered systems. An ultra-low 2
µA shutdown current can further prolong battery life.
Internal loop compensation means that the user is
free from the tedious task of loop compensation
design. This also minimizes the external components.
An extended family is available in 2.5 A (LMR23625)
and 3 A (LMR23630) load current options in pin-to-
pin compatible packages which allows simple,
optimum PCB layout. A precision enable input allows
simplification of regulator control and system power
sequencing. Protection features include cycle-by-
cycle current limit, hiccup mode short circuit
protection and thermal shutdown due to excessive
power dissipation.
Device Information
(1)
PART NUMBER PACKAGE BODY SIZE (NOM)
LMR23610A HSOIC (8) 4.89 mm x 3.90 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Schematic
Efficiency vs Load
V
IN
= 12 V
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