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IHLP4040DZ-100M-01

Description
1 ELEMENT, 10 uH, POWDERED IRON-CORE, GENERAL PURPOSE INDUCTOR, SMD
CategoryPassive components   
File Size643KB,24 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet View All

IHLP4040DZ-100M-01 Overview

1 ELEMENT, 10 uH, POWDERED IRON-CORE, GENERAL PURPOSE INDUCTOR, SMD

Data Sheet
FEATURES
Input voltage: 4.5 V to 20 V
Integrated MOSFET: 44 mΩ/11.6 mΩ
Reference voltage: 0.6 V ± 1%
Continuous output current: 4 A
Programmable switching frequency: 200 kHz to 1.4 MHz
Synchronizes to external clock: 200 kHz to 1.4 MHz
180° out-of-phase clock synchronization
Precision enable and power good
External compensation
Internal soft start with external adjustable option
Startup into a precharged output
Supported by ADIsimPower design tool
20 V, 4 A, Synchronous, Step-Down
DC-to-DC Regulator
ADP2384
TYPICAL APPLICATIONS CIRCUIT
ADP2384
V
IN
C
IN
PVIN
EN
PGOOD
SYNC
RT
R
T
C
VREG
VREG
GND
PGND
FB
COMP
SS
R
C
C
SS
BST
C
BST
SW
R
TOP
L
V
OUT
C
OUT
R
BOT
10725-001
C
C
Figure 1.
APPLICATIONS
Communications infrastructure
Networking and servers
Industrial and instrumentation
Healthcare and medical
Intermediate power rail conversion
DC-to-dc point-of-load applications
100
95
90
85
EFFICIENCY (%)
80
75
70
65
60
55
50
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
OUTPUT CURRENT (A)
V
OUT
= 1.2V
V
OUT
= 3.3V
V
OUT
= 5V
10725-002
Figure 2. Efficiency vs. Output Current, V
IN
= 12 V, f
SW
= 300 kHz
GENERAL DESCRIPTION
The
ADP2384
is a synchronous, step-down dc-to-dc regulator
with an integrated 44 mΩ, high-side power MOSFET and
an 11.6 mΩ, synchronous rectifier MOSFET to provide a high
efficiency solution in a compact 4 mm × 4 mm LFCSP package.
This device uses a peak current mode, constant frequency pulse-
width modulation (PWM) control scheme for excellent stability
and transient response. The switching frequency of the
ADP2384
can be programmed from 200 kHz to 1.4 MHz. To minimize
system noise, the synchronization function allows the switching
frequency to be synchronized to an external clock.
The
ADP2384
requires minimal external components and operates
from an input voltage of 4.5 V to 20 V. The output voltage can be
adjusted from 0.6 V to 90% of the input voltage and delivers up to
4 A of continuous current. Each IC draws less than 120 μA current
from the input source when it is disabled.
This regulator targets high performance applications that require
high efficiency and design flexibility. External compensation and an
adjustable soft start function provide design flexibility. The power-
good output and precision enable input provide simple and reliable
power sequencing.
Other key features include undervoltage lockout (UVLO),
overvoltage protection (OVP), overcurrent protection (OCP),
short-circuit protection (SCP), and thermal shutdown (TSD).
The
ADP2384
operates over the −40°C to +125°C junction
temperature range and is available in a 24-lead, 4 mm × 4 mm
LFCSP package.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2012 Analog Devices, Inc. All rights reserved.
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