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ADP2119ACPZ-2.5-R7

Description
Switching Regulator 2A 1.2MHz Sync Step-Down
CategoryPower/power management    The power supply circuit   
File Size869KB,25 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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ADP2119ACPZ-2.5-R7 Overview

Switching Regulator 2A 1.2MHz Sync Step-Down

ADP2119ACPZ-2.5-R7 Parametric

Parameter NameAttribute value
Source Url Status Check Date2013-05-01 14:56:45.689
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
Parts packaging codeSOIC
package instructionHVSON, SOLCC10,.11,20
Contacts10
Manufacturer packaging codeCP-10-9
Reach Compliance Codecompliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage5.5 V
Minimum input voltage2.3 V
Nominal input voltage3.3 V
JESD-30 codeS-PDSO-N10
length3 mm
Number of functions1
Number of terminals10
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Maximum output current3.5 A
Nominal output voltage2.5 V
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC10,.11,20
Package shapeSQUARE
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height0.85 mm
surface mountYES
Switch configurationBUCK
Maximum switching frequency1380 kHz
Temperature levelAUTOMOTIVE
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
Base Number Matches1
Data Sheet
FEATURES
Continuous output current
ADP2119: 2 A
ADP2120: 1.25 A
145 mΩ and 70 mΩ integrated MOSFETs
Input voltage range from 2.3 V to 5.5 V
Output voltage from 0.6 V to V
IN
±1.5% output accuracy
1.2 MHz fixed switching frequency
Synchronizable between 1 MHz and 2 MHz
Selectable PWM or PFM mode operation
Current mode architecture
Precision threshold enable input
Power-good flag
Voltage tracking
Integrated soft start
Internal compensation
Startup with precharged output
UVLO, OVP, OCP, and thermal shutdown
10-lead, 3 mm × 3 mm LFCSP_WD package
Supported by
ADIsimPower™
design tool
2 A/1.25 A, 1.2 MHz, Synchronous,
Step-Down DC-to-DC Regulators
ADP2119/ADP2120
TYPICAL APPLICATION CIRCUIT
C1
0.1µF
V
IN
5V
C
IN
22µF
X5R
6.3V
R1
10Ω
ADP2119/ADP2120
1
VIN
PVIN
SW
PGND
GND
EN
10
SYNC/MODE
9
PGOOD
8
TRK
7
FB
6
08716-001
2
V
OUT
3.3V
C
OUT
22µF
X5R
6.3V
R
BOT
2.21kΩ
L
1.5µH
R
TOP
10kΩ
3
R2
10kΩ
4
5
Figure 1.
APPLICATIONS
Point of load conversion
Communications and networking equipment
Industrial and instrumentation
Consumer electronics
Medical applications
GENERAL DESCRIPTION
The ADP2119/ADP2120 are low quiescent current, synchronous,
step-down dc-to-dc regulators in a compact 3 mm × 3 mm
LFCSP_WD package. Both devices use a current mode, constant
frequency pulse-width modulation (PWM) control scheme for
excellent stability and transient response. Under light load conditions,
they can be configured to operate in a pulse frequency modulation
(PFM) mode, which reduces switching frequency to save power.
The ADP2119/ADP2120 support input voltages from 2.3 V to
5.5 V. The output voltage can be adjusted from 0.6 V up to the
input voltage (V
IN
) for the adjustable version, whereas the fixed
output version is available in preset output voltage options of 3.3 V,
2.5 V, 1.8 V, 1.5 V, 1.2 V, and 1.0 V. The ADP2119/ADP2120 require
minimal external parts and provide a high efficiency solution with
their integrated power switches, synchronous rectifiers, and internal
compensation. Each IC draws less than 2 µA current from the input
source when it is disabled. Other key features include undervoltage
lockout (UVLO), integrated soft start to limit inrush current at
startup, overvoltage protection (OVP), overcurrent protection
Rev. A
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.
(OCP), and thermal shutdown (TSD).
100
V
IN
= 5V
90 V
OUT
= 1.8V
80
70
EFFICIENCY (%)
PFM
60
50
40
FPWM
30
20
10
08716-002
0
0.01
0.1
OUTPUT CURRENT (A)
1
Figure 2. ADP2119 Efficiency vs. Output Current
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 ©2010–2012 Analog Devices, Inc. All rights reserved.

ADP2119ACPZ-2.5-R7 Related Products

ADP2119ACPZ-2.5-R7 ADP2120ACPZ-1.2-R7 ADP2119ACPZ-1.0-R7
Description Switching Regulator 2A 1.2MHz Sync Step-Down Switching Regulator 1.25A 1.2MHz Sync Step-Down Switching Regulator 2A 1.2MHz Sync Step-Down
Source Url Status Check Date 2013-05-01 14:56:45.689 2013-05-01 14:56:45.692 2013-05-01 14:56:45.68
Brand Name Analog Devices Inc Analog Devices Inc Analog Devices Inc
Is it lead-free? Contains lead Contains lead Contains lead
Is it Rohs certified? conform to conform to conform to
Parts packaging code SOIC SOIC SOIC
package instruction HVSON, SOLCC10,.11,20 HVSON, SOLCC10,.11,20 HVSON, SOLCC10,.11,20
Contacts 10 10 10
Manufacturer packaging code CP-10-9 CP-10-9 CP-10-9
Reach Compliance Code compliant compliant compliant
ECCN code EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
control mode CURRENT-MODE CURRENT-MODE CURRENT-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 5.5 V 5.5 V 5.5 V
Minimum input voltage 2.3 V 2.3 V 2.3 V
Nominal input voltage 3.3 V 3.3 V 3.3 V
JESD-30 code S-PDSO-N10 S-PDSO-N10 S-PDSO-N10
length 3 mm 3 mm 3 mm
Number of functions 1 1 1
Number of terminals 10 10 10
Maximum operating temperature 125 °C 125 °C 125 °C
Minimum operating temperature -40 °C -40 °C -40 °C
Maximum output current 3.5 A 2.4 A 3.5 A
Nominal output voltage 2.5 V 1.2 V 1 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVSON HVSON HVSON
Encapsulate equivalent code SOLCC10,.11,20 SOLCC10,.11,20 SOLCC10,.11,20
Package shape SQUARE SQUARE SQUARE
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) NOT SPECIFIED 260 NOT SPECIFIED
Certification status Not Qualified Not Qualified Not Qualified
Maximum seat height 0.85 mm 0.85 mm 0.85 mm
surface mount YES YES YES
Switch configuration BUCK BUCK BUCK
Maximum switching frequency 1380 kHz 1380 kHz 1380 kHz
Temperature level AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
Terminal form NO LEAD NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm 0.5 mm
Terminal location DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED 30 NOT SPECIFIED
width 3 mm 3 mm 3 mm
Base Number Matches 1 1 1
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