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Part Number: AAT1109A
Description: The AAT1109A is a one-channel switching regulator control IC incorporating a soft start fu...
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AAT1109A
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General Description
AAT1109A General Description
The AAT1109A is a one-channel switching regulator control IC incorporating a soft start function and a short circuit protection function. Each device consists of an on-chip voltage reference, error amplifier, pulse width modulation controller, under-voltage protection, soft start and short circuit protection circuits. Switching frequencies up to 1MHz are set by an external resistor and capacitor. Soft-start time can be implemented by the SCP capacitor.
Additionally, a chip enable feature is provided to power down reducing the supply current to 10uA. With a minimum number of external components, the AAT1109A offers a simple and cost effective solution.
AAT1109A Maximum Ratings
| CHARACTERISTICS | SYMBOL |
Value | Units |
|
Supply Voltage |
V DD | 7 | V |
| Output current | IO | -120/+120 | mA |
| Operating free-air temperature range | T ope | -20 to 85 | °C |
| Junction Temperature |
Tstg | -65 to 150 | °C |
| Power dissipation | PD | 500 | mW |
AAT1109A Features
Under-voltage lockout protection
Totem pole output
Output short circuit protection
ncorporates soft start function
Wide operating frequency
10kHz to 1MHz
Shut down control
Low dissipation current :
Typical 1.6mA in operation
Sop-8 & Tssop-8 package available
Totem pole output
Output short circuit protection
ncorporates soft start function
Wide operating frequency
10kHz to 1MHz
Shut down control
Low dissipation current :
Typical 1.6mA in operation
Sop-8 & Tssop-8 package available
AAT1109A Connection Diagram
AAT1109A
PDF/DataSheet Download
- Datasheet: AAT1109A
- File Size: 307940 KB
- Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]
- Click here to Download
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