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MFG:ATMEL  Package Cooled:SOP  D/C:03+  

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Part Number: AT1380A

 

MFG: ATMEL

Package Cooled: SOP

D/C: 03+

Description: The AT1380A is a single-channel PWM control IC for DC/DC conversion with soft start function and short circuit detectio...


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AT1380A General Description


The AT1380A is a single-channel PWM control IC for DC/DC conversion with soft start function and short circuit detection. Adjustable soft start is programmed with an external capacitor on SCP pin. The AT1380A is ideal for up, down and flyback conversion.

AT1380A Maximum Ratings

Parameter
Symbol
Condition
Rated Value
Unit
Min.
Max.
Power supply voltage
VCC
-
-
15
V
Output source current
IO+
-
-
-50
mA
Output sink current
IO+
-
-
50
mA
Allowable dissipation
PD
SOP-8, Ta +25°C
-
570
mW
PD
TSSOP-8, Ta +25°C
-
430
mW
Operating temperature
TOP
-
-30
+85
Storage temperature
Tstg
-
-55
125
ESD Classification
MIL-STD-883
Class 2

AT1380A Features

• 2.5 to 15 V supply voltage operating range.
• Low current consumption: 6 mA in operation, 1 µA or less in stand-by.
• 20 kHz to 1 MHz operation frequency range.
• Provides a fixed output current with minimal supply voltage fluctuations by using an external resistor to set the output current.
• Totem-pole output.
• Built-in soft start circuit.
• Built-in timer-latch short circuit detection and protection circuit (SCP).

AT1380A Typical Application

• LCD Displays
• PDAs
• Digital Still Cameras

AT1380A Connection Diagram

AT1380A Connection DiagramAT1380A Connection Diagram

AT1380A datasheet

AT1380A
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