AT1312AX-GRE, AT1312CX_GRE, AT1313 Selling Leads, Datasheet
MFG:ATMTRON Package Cooled:09+ D/C:07+
AT1312AX-GRE, AT1312CX_GRE, AT1313 Datasheet download
Part Number: AT1312AX-GRE
MFG: ATMTRON
Package Cooled: 09+
D/C: 07+
AT1312AX-GRE, AT1312CX_GRE, AT1313
- Table of contents:
Info of AT1312AX-GRE
Info of AT1312CX_GRE
Info of AT1313
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About AT1
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Datasheet: AT1
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About AT1
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Datasheet: AT1
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About AT1313
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Datasheet: AT1313
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AT1313 General Description
The AT1313 step-up converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input can be pulsed repeatedly to adjust LED's brightness. The fast 1.4 MHz current-mode PWM control allows for smaller capacitor and inductor. Fault condition protection uses cycle-by-cycle current limiting to sense maximum inductor current, thermal protection and over-voltage protection. Also included soft-start eliminates inrush current during start-up. The 0.2V low reference voltage minimized the power loss across the current-setting resistor.
The AT1313 is available in 6-pin SOT-26 packages
AT1313 Maximum Ratings
|
Parameter |
Rated Value |
Unit |
| VIN voltage |
-0.3 to +6.0 |
V |
| LX , OVP voltage |
-0.3 to +18 |
V |
| EN , FB to GND |
-0.3 to +6.0 |
V |
| Switch Current (ILX) |
1.2 |
A |
| Continuous power dissipation (SOT-26 Ta=+25) |
0.35 |
W |
| Operating Junction Temperature Range |
-35 to 85 |
|
| Lead Temperature (Soldering 5 sec) |
260 |
|
| Storage Temperature |
-65 to 125 |
|
| Package Thermal Resistance (JA) |
250 |
/W |
| ESD Susceptibility (HBM) |
2 |
KV |
| ESD Susceptibility (MM) |
200 |
V |
Note1:Permanent device damage may occur if Absolute Maximum Ratings are exceeded. Exposure to absolute maximum rating conditions for extended periods may affect device reliability
AT1313 Features
•Operating Voltage:2.5V~5.5V
•High Operating Frequency: 1.4MHz
•High Output Voltage: Up to 18V
•Shutdown Current <1A
•18V Output Over-voltage protection
•Digital Dimming Control.
•Built-in Cycle-by Cycle Current-limiting.
•Built-in Soft-Start Function.
•0.2V Low Reference Voltage
•Tiny SOT-26 Package
•High Operating Frequency: 1.4MHz
•High Output Voltage: Up to 18V
•Shutdown Current <1A
•18V Output Over-voltage protection
•Digital Dimming Control.
•Built-in Cycle-by Cycle Current-limiting.
•Built-in Soft-Start Function.
•0.2V Low Reference Voltage
•Tiny SOT-26 Package
AT1313 Typical Application
• LED Module
• Compact Back Light Module
• Constant Current Source
• Compact Back Light Module
• Constant Current Source
AT1313 Connection Diagram
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