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Analog Devices Semiconductor Electronic Components Datasheet

ADP1607 Datasheet

2MHz Synchronous Boost DC-to-DC Converter

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ADP1607 pdf
Data Sheet
FEATURES
Up to 96% efficiency
0.8 V to VOUT input voltage range
Low 0.9 V input start-up voltage
1.8 V fixed output voltage (ADP1606)
1.8 V to 3.3 V adjustable output voltage range (ADP1607)
23 µA quiescent current
Fixed pulse-width modulation (PWM) and light load pulse
frequency modulation (PFM) mode options
Synchronous rectification
True shutdown output isolation
Internal soft start, compensation, and current limit
2 mm × 2 mm, 6-lead LFCSP
Compact solution size
APPLICATIONS
1-cell and 2-cell alkaline and NiMH/NiCd powered devices
Portable audio players, instruments, and medical devices
Solar cell applications
Miniature hard disk power supplies
Power LED status indicators
GENERAL DESCRIPTION
The ADP1606/ADP1607 are high efficiency, synchronous, fixed
frequency, step-up dc-to-dc switching converters with a 1.8 V
fixed output voltage option and a 1.8 V to 3.3 V adjustable
output voltage option for use in portable applications.
The 2 MHz operating frequency enables the use of small
footprint, low profile external components. Additionally, the
synchronous rectification, internal compensation, internal fixed
2 MHz, Synchronous Boost
DC-to-DC Converters
ADP1606/ADP1607
TYPICAL APPLICATION CIRCUITS
L
2.2µH
INPUT VOLTAGE
0.8V TO VOUT
CIN
10µF
ADP1606
1 VIN
SW 5
VOUT 6
FIXED
OUTPUT VOLTAGE
1.8V
ON
OFF 2 EN
PWM
GND MODE 3 AUTO
COUT
10µF
4
Figure 1. ADP1606
L
2.2µH
INPUT VOLTAGE
0.8V TO VOUT
1
CIN
10µF
ON
OFF
2
ADP1607
VIN SW 5
VOUT 6
EN GND
4
FB 3
ADJUSTABLE
OUTPUT VOLTAGE
1.8V TO 3.3V
R1
COUT
R2 10µF
Figure 2. ADP1607
current limit, and current mode architecture allow excellent
transient response and a minimal external part count.
Other key features include fixed PWM and light load PFM
mode options, true output isolation, thermal shutdown (TSD),
and logic controlled enable. Available in a lead-free, thin, 6-lead
LFCSP package, the ADP1606/ADP1607 are ideal for providing
efficient power conversion in portable devices.
Rev. D
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2012–2014 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com


Analog Devices Semiconductor Electronic Components Datasheet

ADP1607 Datasheet

2MHz Synchronous Boost DC-to-DC Converter

No Preview Available !

ADP1607 pdf
ADP1606/ADP1607
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Typical Application Circuits............................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
Thermal Operating Ranges ......................................................... 4
Thermal Resistance ...................................................................... 4
ESD Caution.................................................................................. 4
Pin Configurations and Function Descriptions ........................... 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ...................................................................... 10
REVISION HISTORY
7/14—Rev. C to Rev. D
Added ADP1606.................................................................Universal
Change to Features Section and General Description Section... 1
Added Figure 1; Renumbered Sequentially .................................. 1
Changes to Table 1............................................................................ 3
Changes to Table 2 and Thermal Resistance Section................... 4
Added Figure 3 and Table 5; Renumbered Sequentially ............. 5
Changes to Table 4............................................................................ 5
Changes to Figure 11........................................................................ 7
Added Figure 26 and Figure 27....................................................... 9
Changes to Figure 28, Overview Section, Modes of Operation
Section, and PWM Mode Section ................................................ 10
Added Table 6.................................................................................. 10
Changes to Auto Mode Section, PFM Mode Section, and Mode
Transition Section........................................................................... 11
Changes to Setting the Output Voltage Section and Inductor
Selection Section............................................................................. 12
Changes to Layout Guidelines Section ........................................ 14
Added Figure 30.............................................................................. 14
Changes to Ordering Guide .......................................................... 15
Data Sheet
Overview ..................................................................................... 10
Enable/Shutdown ....................................................................... 10
Modes of Operation ................................................................... 10
Internal Control Features .......................................................... 11
Applications Information .............................................................. 12
Setting the Output Voltage........................................................ 12
Inductor Selection ...................................................................... 12
Choosing the Input Capacitor .................................................. 13
Choosing the Output Capacitor ............................................... 13
Layout Guidelines........................................................................... 14
Outline Dimensions ....................................................................... 15
Ordering Guide .......................................................................... 15
12/13—Rev. B to Rev. C
Changes to Figure 21.........................................................................9
7/13—Rev. A to Rev. B
Changes to Captions for Figure 22 and Figure 23.........................9
Changed Synchronous Rectification Section.............................. 11
12/12—Rev. 0 to Rev. A
Changes to Features Section ............................................................1
Changed TJ to TA in Specifications Section ...................................3
Changed Figure 6, Figure 7, and Figure 8 Captions .....................6
Changes to Table 5.......................................................................... 12
Changes to Choosing the Output Capacitor Section ................ 13
10/12—Revision 0: Initial Version
Rev. D | Page 2 of 16


Part Number ADP1607
Description 2MHz Synchronous Boost DC-to-DC Converter
Maker ANALOG DEVICES
Total Page 16 Pages
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