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Datasheet AIC3415 PDF ( 特性, スペック, ピン接続図 )

部品番号 AIC3415
部品説明 1.2MHz Synchronous Step-Up Converter
メーカ Analog Intergrations Corporation
ロゴ Analog Intergrations Corporation ロゴ 
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AIC3415 Datasheet, AIC3415 PDF,ピン配置, 機能
AIC3415
700mA, 1.2MHz Synchronous Step-Up Converter
FEATURES
DESCRIPTION
VIN Start Up Voltage: 0.9V
Output Voltage Range: from 2.7V to 5.25V.
Up to 94% Efficiency
1.2MHz Fixed Frequency Switching
Built-in current mode compensation
Built-in Protection: Over Current, Over Voltage,
Over Temperature
Optional Automatic PWM/PSM Version (AIC3415)
and Forced PWM Version (AIC3415A).
Logic Controlled Shutdown: < 1μA
Output Disconnect by Shutdown Function
Built-in Soft Start
Active Anti-ringing Control
Small SOT-23-6 Package
APPLICATIONS
Single/Dual Cells Ni-Cd/Ni-Mh/Li-Lon Type Bat-
tery Operated Products
Wireless Mice
PDA
Digital Still Cameras
Portable Equipment
The AIC3415 is a synchronous step-up DC/DC con-
verter.
There are two options for AIC3415: automatic
PWM/PSM version (AIC3415), and forced PWM ver-
sion (AIC3415A). The automatic PWM/PSM version
enters PSM from PWM automatically when load de-
creases. The goal is to improve efficiency and reduce
quiescent current; the forced PWM version keeps the
same operating frequency even when it operates in
light load. This guarantees low output ripple and noise.
The AIC3415 provides a complete power supply solu-
tion for products powered by one or two Alkaline,
Ni-Cd, Ni-MH or Li-Lon battery cells. It stays in opera-
tion with supply voltages down to 0.5V. The imple-
mented boost converter uses an internal synchronous
rectifier to obtain maximum efficiency.
A low-EMI mode is implemented to reduce ringing and
in effect lower radiated electromagnetic energy when
the converter enters the discontinuous conduction
mode.
TYPICAL APPLICATION CIRCUITS
1.2V
VIN
CIN
4.7uF
L1
4.7uH
U1
6 VIN
SW
4 SHDN VOUT
2 GND
AIC3415
FB
1
5
R1
3 1M
R2
600K
3.3V
VOUT
COUT
4.7uF
Analog Integrations Corporation
Si-Soft Research Center
DS-3415G-02 20110923
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
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AIC3415 pdf, ピン配列
AIC3415
ELECTRICAL CHARACTERISTICS
(Typical application circuit, and the ambient temperature=25C, VIN=1.2V, VOUT=3.3V, Unless
otherwise specified) (Note1)
PARAMETER
TEST CONDITION
SYMBOL MIN TYP MAX UNIT
Output Voltage Range
Minimum Start Up Voltage
Minimum Operation Voltage
Quiescent Current
(VFB>1.23V, Non-Switching)
Shut Down Current
(Oscillator no switching)
IOUT=0A
Note2
AIC3415 only
AIC3415A only
SHDN= 0V,
VIN =1.1V
VOUT
IQ0
IQ0
ISD
2.7 5.25
0.9 1.1
0.5
40 60
250
0.3 1
V
V
V
μA
μA
μA
Feedback Voltage
IOUT=0
VFB 1.17 1.2 1.23
V
FB Input Leakage Current
VFB=1.3V
IFB
1 50
nA
Maximum Duty Cycle
Minimum Duty Cycle
Frequency
VFB=1.15V
VFB=1.3V
80 88
0.95 1.2
0
1.5
%
%
MHz
NMOS Switch Leakage
VSW=5V
0.1 10
μA
PMOS Switch Leakage
NMOS Switch On Resistance
VSW=5V, VOUT=0V
0.1 10
350
μA
m
PMOS Switch On Resistance
SHDN High Threshold Voltage
450
0.88
m
V
SHDN Low Threshold Voltage
SHDN Input Current
SHDN= 5.25V
ISHDN
0.25
0.01 1.0
V
μA
NMOS Current Limit Setting
1.0 1.3
A
Over Temperature Protection
150 C
Over Temperature Hysteresis
25 C
Note 1: Specifications are production tested at T =25°C. Specifications over the -40°C to 85°C operating tem-
A
perature range are assured by design, characterization and correlation with Statistical Quality Controls (SQC).
Note 2: Once the output is started, the IC is not dependant upon the VIN supply.
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AIC3415 電子部品, 半導体
AIC3415
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Fig. 13 PSM Mode Operation at IOUT=0mA
Fig.14 Anti-Ringing Operation at IOUT=10mA
Fig.15 CCM Switching Waveform at IOUT=50mA
Fig. 16 Load Transient Response
Fig. 17 CCM Switching Waveform at IOUT =350mA
Fig. 18 CCM Switching Waveform at IOUT =650mA
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