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PDF ADP3610 Data sheet ( Hoja de datos )
| Número de pieza | ADP3610 | |
| Descripción | 320 mA Switched Capacitor Voltage Doubler | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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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
1 page  
20
IL = 320mA
15
10
IL = 0mA
5
3.0 3.2 3.4 3.6
VIN – Volts
Figure 10. Quiescent Current vs.
Input Voltage
100
80
60
40
20
5
0 80 160 240 320
LOAD CURRENT – mA
Figure 11. Efficiency vs. Load Current,
VIN = +3.3 V
ADP3610
VOUT
10V
5V
0V
VIN
VO
SD
Figure 12. Output Voltage Ripple (IO =
320 mA, CP1 = CP2 = 2.2 µF, CO = 1 µF)
Figure 13. Start-Up Under Full Load
(VIN = +3.6 V, IO = 320 mA)
Figure 14. Shutdown at Full Load
(VIN = +3.3 V, IO = 320 mA)
REV. A
–5–
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet ADP3610.PDF ] | |
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