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PDF AIC3414 Data sheet ( Hoja de datos )
| Número de pieza | AIC3414 | |
| Descripción | Synchronous Step-Up Converter | |
| Fabricantes | Analog Integrations | |
| Logotipo |  |
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AIC3414
1.2MHz, Synchronous Step-Up Converter in SOT23-6
FEATURES
DESCRIPTION
z Output Voltage Range: 2.5V to 4.0V
z Synchronous 92% Efficient Boost Converter
z 1.2 MHz Fixed Switching Frequency
z Built-in current mode compensation
z Built-in Protection: Over Current Protection and
Over Temperature Protection.
z Quiescent Current:300μA at VIN=1.1V, VOUT=3.3V,
IOUT=0A
z <1μA Shutdown Standby Current
z EMI Reduction Anti-Ringing Control Circuitry
z Thin SOT23-6 package
The AIC3414 step-up converter is based on a fixed
frequency, pulse-width-modulation (PWM) controller
using an internal synchronous rectifier to obtain
maximum efficiency. It stays in operation with supply
voltages down to 0.5V. The AIC3414 provides a
complete power supply solution for products po-
wered by either one or two Alkaline, Ni-Cd, or Ni-MH
battery cells. The AIC3414 output voltage can be
adjustable up to 4.0V. At light load condition, the
AIC3414 can work at PSM mode to improve effi-
ciency and reduce quiescent current.
APPLICATIONS
z Single / Dual Cells Ni-Cd / Ni-Mh Type Battery
Operated Products
z Internet Audio Player
z Wireless and DSL Modems
z Digital Still Cameras
z Portable Equipment
The AIC3414 includes the anti-ringing circuitry. The
anti-ringing circuitry is implemented to reduce ringing
and in effect lower radiated electromagnetic energy
when the converter enters the discontinuous con-
duction mode.
TYPICAL APPLICATION CIRCUITS
1.2V
Vin
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Cin
4.7uF
L1
4.7uH
U1
6 VIN
SW
4 SHDN VOUT
2 GND
AIC3414
FB
1
5
R1
3 1M
R2
600K
3.3V/120mA
Vout
Cout
4.7uF
Analog Integrations Corporation
Si-Soft Research Center
3A1, No.1, Li-Hsin Rd. I, Science Park, Hsinchu 300, Taiwan, R.O.C.
TEL: 886-3-5772500, FAX: 886-3-5772510
www.analog.com.tw
DS-3414G-01 20091118
1
1 page  
AIC3414
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
VOUT=3.3V, IOUT=0mA
VOUT=3.3V, IOUT=0mA
Fig. 7 Feedback Voltage vs. Temperature
Fig.8 Frequency vs. vs. Supply Voltage
Fig. 9 Maximum Output Current vs. Supply Voltage
Fig. 10 Quiescent Current vs. Supply Voltage
VOUT=3.3V
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Fig. 11 Quiescent Current vs. Supply Voltage
Fig. 12 NMOS RDS (ON) vs. Supply Voltage
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet AIC3414.PDF ] | |
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