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AT1388A 데이터시트 PDF




Aimtron Technology에서 제조한 전자 부품 AT1388A은 전자 산업 및 응용 분야에서
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부품번호 AT1388A 기능
기능 6-Channel DC-DC Controller
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AT1388A 데이터시트, 핀배열, 회로
www.DataSheet4U.com
AT1388/AT1388A
Preliminary Product Information
6-Channel DC-DC Controller for DSC
Features
General Description
• Low start-up power supply voltage :1.4V(CH6) The AT1388/AT1388A is a 6-channel PWM
• Wide supply voltage range from 2.5V to 6.5V DC/DC control IC for low voltage applications
(CH1~6)
with a soft start function and short circuit detection
• High speed operation is possible: Maximum
function. This IC is ideal for up conversion, down
1 MHz
conversion, and up/down conversion (using a step-
• Supports for up, flyback and up/down SEPIC up/step-down SEPIC ,Zeta system with free input
conversion
and output settings). 6 channels can be built in the
(AT1388:CH2,3,4,5,6 AT1388A:CH2,3,4,6) LQFP48 package, each channel be controlled, and
• Supports for down and up/down Zeta conversion soft-start.
(AT1388:CH1 AT1388A:CH1,CH5 )
• Synchronized rectification on CH1,CH2
The AT1388 include one comparator to generate
• Supports for inverting converter CH5
low-battery warning outputs. It also contains two
• Built-in On/Off function
high efficiency topology by using synchronous
• Built-in Soft-Start Function
rectification PWM(It can be disable by floating
Built-in Short-Circuit Protection.
OUT1_2,OUT2_2.)
Applications
• Digital Cameras
• CCD Imaging Devices
• Camcorders
Pin Assignment
Ordering Information
Part Number
AT1388F
AT1388F_PBF
AT1388F_GRE
AT1388AF
AT1388AF_PBF
AT1388AF_GRE
Package
LQFP48
LQFP48, PB-Free
LQFP48,Green
LQFP48
LQFP48, PB-Free
LQFP48,Green
Marking
AT1388F
AT1388F,date code with one bottom line
AT1388F,date code with two bottom line
AT1388AF
AT1388AF,date code with one bottom line
AT1388AF,date code with two bottom line
Aimtron reserves the right without notice to change this circuitry and specifications.
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
WWW: http://www.aimtron.com.tw
Fax: 886-3-563-0879
1




AT1388A pdf, 반도체, 판매, 대치품
AT1388/AT1388A
Preliminary Product Information
6-Channel DC-DC Controller for DSC
Absolute Maximum Ratings
Parameter
Symbol
Power supply voltage
Vcc
Condition
--
Rating
Min Max
-- 6.5
Unit
V
Output current
Io Output pin
-- 30 mA
Output peak current
Io Output pin, Duty5%
--
200 mA
Power dissipation
Operation temperature
PD Ta25(LQFP-48P)
Topr --
--
-30
860 mW
85
Storage temperature
Tstg
--
-55 125
*Semiconductor devices can be permanently damaged by application of stress in excess of absolute ratings. Do not exceed
these ratings.
Recommended Operating Conditions
Parameter
Symbol Condition
Startup power supply voltage
Vcc CH6
Value
Unit
Min Typ Max
1.4 -- 6.0 V
Power supply voltage
Vcc CH1 to CH6
2.5 5.0 6.0 V
Regulator voltage output current
Input voltage
Control input voltage
Output current
Oscillator
Timing capacitor
Soft start capacitor
Short detection capacitor
VREG pin capacitor
IOR
VIN
VCTL
Io
fOSC
CT
Cs
CSS6
CCSCP
CVREG
VREG pin
IN1 to IN6 pins
CTL pin
OUT pin (CH1 to CH5)
OUT pin (CH6)
--
--
CH1 to CH5
CH6
--
--
-10
0
0
--
1
100
47
--
--
--
0.082
-- 0 mA
-- Vcc-1.8 V
-- 6.0 V
2 15 mA
2 15 mA
500 1000 kHz
82 560 pF
0.1 1.0 μF
0.1 1.0 μF
0.1 1.0 μF
0.1 -- μF
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
WWW: http://www.aimtron.com.tw
Fax: 886-3-563-0879
4

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AT1388A 전자부품, 판매, 대치품
AT1388/AT1388A
Preliminary Product Information
6-Channel DC-DC Controller for DSC
Input current
ICTL CTL = 5V
Low battery detect block [LBI, LBO]
- 5 20 μA
LBI detect threshold
LBO output voltage low
VTHLBI Rising
Isink=1mA
1.2397 1.2650 1.2903 V
- - 0.4 V
LBO output high leakage
VLBO=5V
- 0.01 1 μA
General(Output no Load)
Standby current
Power supply current
Power supply current
Icss
Icss(o)
Icc1
Icc2
CTL=CTL1=CTL2=CTL
3=CTL4=CTL5=CTL6=0
V
CTL=0V,
CTL1=CTL2=CTL3=CT
L4=CTL5=CTL6="H"
CTL=CTL1=CTL2=CTL
3=CTL4=CTL5=CTL6="
H"
CTL=”H”
CTL1=CTL2=CTL3=CT
L4=CTL5=CTL6="L"
-
-
-
-
1 10 μA
200 250 μA
5 7 mA
2 2.5 mA
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
WWW: http://www.aimtron.com.tw
Fax: 886-3-563-0879
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