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Analog Devices Semiconductor Electronic Components Datasheet

ADP3610 Datasheet

320 mA Switched Capacitor Voltage Doubler

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ADP3610 pdf
a
320 mA Switched Capacitor
Voltage Doubler
ADP3610
FEATURES
Push-Pull Charge Pump Doubler Reduces Output Ripple
+3.0 V to +3.6 V Operation
VOUT > +5.4 V @ 320 mA Maximum Load
Output Impedance, RTOTAL 1.66
Shutdown Capability
Overvoltage Protection: VIN > +4 V
Operating Temperature Range: –20؇C to +85؇C
Thermally Enhanced 16-Lead TSSOP Package
VIN
FUNCTIONAL BLOCK DIAGRAM
CP1 CM1
CP2 CM2
APPLICATIONS
High Current Doublers
LCD Panels
Cellular Phones
Inductorless Boost Converters
DRV DRV
DRIVE LOGIC
OVER-
VOLTAGE
PROTECTION
1MHz
OSC
ADP3610
VOUT
GND
SD
GENERAL DESCRIPTION
The ADP3610 is a push-pull switched-capacitor converter volt-
age doubler. The term “push-pull” refers to two charge pumps
working in parallel and in opposing phase to deliver charge to
support the output voltage. When one capacitor is pumping
charge to the output, the other is recharging. This technique
minimizes voltage loss and output voltage ripple.
The converter accommodates input voltages from +3 V to
+3.6 V and can provide 320 mA using 2.2 µF MLCC pump
capacitors. Converter operation can be enabled or disabled
simply by an input signal. The package is enhanced with Analog
Devices’ proprietary Thermal Coastline feature, which allows
up to 980 mW of power dissipation at room temperature. The
exceptionally thin TSSOP-16 package and the requirement of
only capacitors (no inductors) to support the converter opera-
tion allows slim designs, e.g., for TFT or LCD display panels.
CP1
2.2F
VIN
CIN
1F
VOUT
VIN
ADP3610
GND
SD
CO
1F
VOUT
CP2
2.2F
Figure 1. Typical Application Circuit
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999


Analog Devices Semiconductor Electronic Components Datasheet

ADP3610 Datasheet

320 mA Switched Capacitor Voltage Doubler

No Preview Available !

ADP3610 pdf
ADP3610–SPECIFICATIONS (–20؇C TA +85؇C, VIN = +3.3 V, CP1 = CP2 = 2.2 F, CO = 1 F, SD = GND,
unless otherwise noted)1, 2, 3
Parameter
Symbol Condition
Min Typ Max Units
OPERATING SUPPLY RANGE
VIN
3.0 3.6 V
QUIESCENT CURRENT
IQ SD = VIN
SD = GND, IL = 0 mA
0.3
8.6 10
µA
mA
INPUT OVP THRESHOLD
VOVP
4V
TOTAL OUTPUT IMPEDANCE
RTOTAL4
IO = 0 mA to 320 mA
1 1.66
OUTPUT VOLTAGE
VO
IO = 240 mA, VIN = +3 V
5.6
5.75
IO = 320 mA, VIN = +3 V 5.47 5.65
IO = 240 mA, VIN = +3.3 V
6.2
6.35
IO = 320 mA, VIN = +3.3 V
6.07
6.27
V
V
V
V
OUTPUT CURRENT
IO
320 mA
OUTPUT SWITCHING FREQUENCY fSW
400 560 650 kHz
SD INPUT
Logic Input High
Input Current
Logic Input Low
Input Current
VIH
IIH
VIL
IIL
2.0 V
0.1 µA
0.8 V
0.1 µA
NOTES
1Capacitors in the test circuit are multilayer ceramic type.
2All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods.
3Junction temperature is influenced by ambient temperature, device mounting and heatsinking, and power dissipation which is a function of I/O voltages and load.
4RTOTAL includes the switch resistance, and the equivalent series resistance of the 2.2 µF (X7R) MLCC pump capacitors.
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS1
Input Voltage (V+ to GND) . . . . . . . . . . . . . . . . . . . . +4.0 V
Output Short Circuit to GND (<1 A) . . . . . . . . . . . . . . 60 sec
Power Dissipation
θJA2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +102°C/W
Operating Ambient Temperature Range . . . . –20°C to +85°C
Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C
Lead Temperature Range (Soldering 10 sec) . . . . . . . +300°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . +215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . +220°C
NOTES
1This is a stress rating only; operation beyond these limits can cause the device to
be permanently damaged.
2θJA is specified for worst case conditions with device soldered on a FR-4, 1 oz.
copper clad four layer circuit board.
ORDERING GUIDE
Model
Temperature Package
Range
Description
Package
Option
ADP3610ARU –20°C to +85°C Thin Shrink Small RU-16
Outline Package
(TSSOP-16)
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the ADP3610 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
–2– REV. A


Part Number ADP3610
Description 320 mA Switched Capacitor Voltage Doubler
Maker Analog Devices
Total Page 10 Pages
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