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ADP2360 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Analog Devices - High Efficiency Buck Regulator

شماره قطعه ADP2360
شرح مفصل High Efficiency Buck Regulator
تولید کننده Analog Devices 
آرم Analog Devices 


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ADP2360 شرح
Data Sheet
FEATURES
Input voltage supply range: 4.5 V to 60 V
Adjustable output voltage range: 0.8 V to VIN
Factory-programmable fixed output voltage options of
3.3 V and 5.0 V
Continuous output current up to 50 mA
Adjustable peak inductor current limit up to 140 mA
Pulse frequency modulation (PFM) control
Very high efficiency
90% at VIN = 9 V, VOUT = 3.3 V, IOUT = 10 mA
87% at VIN = 9 V, VOUT = 3.3 V, IOUT = 1 mA
Low shutdown current: <4 µA
Low quiescent current: 12 µA typical in sleep mode
100% duty cycle operation
Undervoltage lockout (UVLO)
No external compensation required
Enable input with precision thresholds
Programmable soft start
Power-good output
Thermal shutdown (TSD) protection
8-lead LFCSP package
APPLICATIONS
4 mA to 20 mA loop powered systems
HART modems
Building automation
Distributed power systems
Industrial control supplies
Other high VIN, low IOUT systems
50 mA, 60 V,
High Efficiency Buck Regulator
ADP2360
TYPICAL APPLICATION CIRCUIT
VIN
CIN
PG
ADP2360
8 VIN
SW 7
RPG
2 PG
ON
OFF
1 EN
5 SS
CSS PGND
6
FB 4
ITH 3
AGND
(EPAD)
9
L1
RITH
VOUT
COUT
Figure 1.
GENERAL DESCRIPTION
The ADP2360 is a high efficiency, high input voltage, discontinu-
ous conduction mode (DCM) synchronous, step-down, dc-to-dc
switching regulator. The ADP2360 operates with a wide input
voltage supply range from 4.5 V to 60 V and can source up to
50 mA continuous output current, making it ideal for regulating
power from a variety of voltage sources in space-constrained
applications. The ADP2360 is available with an adjustable output
(0.8 V to VIN) or in 3.3 V and 5.0 V factory-programmable fixed
output voltage models.
The ADP2360 uses a single-pulse PFM architecture with an
adjustable peak current level (IPEAK) control to minimize the
input and output ripple. The adjustable IPEAK current limit allows
Rev. 0
Document Feedback
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responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
the ADP2360 to optimize the efficiency for the application operat-
ing conditions and minimize the compatible inductor size.
The ADP2360 further offers a power-good (PG) pin to indicate
when the output voltage is good. Other key features include 100%
duty cycle operation, precision enable control, external soft start
control, UVLO, and TSD protection.
The ADP2360 requires no external compensation and the solution
for the fixed output voltage options requires a minimum of three
external components. The ADP2360 is available in a 3 mm × 3 mm,
8-lead LFCSP package with an operating junction temperature
range from −40°C to +125°C.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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