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Part Number: AT1388A
Description: The AT1388/AT1388A is a 6-channel PWM DC/DC control IC for low voltage applications with a soft start function and shor...
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AT1388A
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DataSheet
General Description
AT1388A General Description
The AT1388/AT1388A is a 6-channel PWM DC/DC control IC for low voltage applications with a soft start function and short circuit detection function. This IC is ideal for up conversion, down conversion, and up/down conversion (using a stepup/ step-down SEPIC ,Zeta system with free input and output settings). 6 channels can be built in the LQFP48 package, each channel be controlled, and soft-start.
The AT1388 include one comparator to generate low-battery warning outputs. It also contains two high efficiency topology by using synchronous rectification PWM(It can be disable by floating OUT1_2,OUT2_2.)
AT1388A Maximum Ratings
|
Parameter |
Symbol |
Condition |
Rating |
Unit | |
|
Min |
Max | ||||
| Power supply voltage |
Vcc |
-- |
-- |
6.5 |
V |
| Output current |
Io |
Output pin |
-- |
30 |
mA |
| Output peak current |
Io |
Output pin, Duty5% |
-- |
200 |
mA |
| Power dissipation |
PD |
Ta25 (LQFP-48P) |
-- |
860 |
mW |
| Operation temperature |
Topr |
-- |
-30 |
85 |
|
| Storage temperature |
Tstg |
-- |
-55 |
125 |
|
AT1388A Features
• Low start-up power supply voltage :1.4V(CH6)
• Wide supply voltage range from 2.5V to 6.5V (CH1~6)
• High speed operation is possible: Maximum 1 MHz
• Supports for up, flyback and up/down SEPIC conversion (AT1388:CH2,3,4,5,6 AT1388A:CH2,3,4,6)
• Supports for down and up/down Zeta conversion (AT1388:CH1 AT1388A:CH1,CH5 )
• Synchronized rectification on CH1,CH2
• Supports for inverting converter CH5
• Built-in On/Off function
• Built-in Soft-Start Function
• Built-in Short-Circuit Protection.
• Wide supply voltage range from 2.5V to 6.5V (CH1~6)
• High speed operation is possible: Maximum 1 MHz
• Supports for up, flyback and up/down SEPIC conversion (AT1388:CH2,3,4,5,6 AT1388A:CH2,3,4,6)
• Supports for down and up/down Zeta conversion (AT1388:CH1 AT1388A:CH1,CH5 )
• Synchronized rectification on CH1,CH2
• Supports for inverting converter CH5
• Built-in On/Off function
• Built-in Soft-Start Function
• Built-in Short-Circuit Protection.
AT1388A Typical Application
• Digital Cameras
• CCD Imaging Devices
• Camcorders
• CCD Imaging Devices
• Camcorders
AT1388A Connection Diagram
AT1388A
PDF/DataSheet Download
- Datasheet: AT1388A
- File Size: 652450 KB
- Manufacturer: ETC [ETC]
- Click here to Download
- ·AT1
- Analog IC
- 55024 KB
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- ·AT1/AN-1H
- PROXIMITY SWITCH M30 NPN
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- ·AT1/AN-2A
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- ·AT1/AO-2H
- PROXIMITY SWITCH M30 DC
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- ·AT1/AP-1B
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The AT1388/AT1388A is a 6-channel PWM DC/DC control IC for low voltage applications with a soft start function and short circuit detection function. This IC is ideal for up conversion, down conversion, and up/down conversion (using a stepup/ step-down SEPIC ...
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