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PDF ACE716E Data sheet ( Hoja de datos )
| Número de pieza | ACE716E | |
| Descripción | Variable Frequency Step-up DC/DC Converter | |
| Fabricantes | ACE Technology | |
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ACE716E
Max 38V, Variable Frequency Step-up DC/DC Converter
Description
The ACE716E is a high efficiency step-up converter with an internally integrated 40V power MOSEFT.
It runs with an optimal 0.8MHz frequency that enables use of small external components while still
providing best efficiencies. It has an internal current limit as high as 1A, and it can drive up to 10 LEDs at
50mA output current. The incorporated 25-100KHz true PWM-Dimming feature by EN pin can be used to
digitally program the LED current. For maximum protection, the ACE716E has an internal OVP protection
at 38V to prevent the chip from damages when the LED string is not connected to the output.
ACE716E is available in a space-saving SOT23-6 package.
Features
• Up to 90% Efficiency (6 LEDs)
• Drive up to 10 LEDs with 50mA
• Drive up to 40 LEDs in total
• 38V OVP protection
• True PWM Brightness Control
• 200mV Feedback Voltage
• 1A current limit
• SOT23-6 Package
Application
• Cellphone and Smartphone
• MID or Tablet PC
• TFT-bias for LCD screen
• Power for OLED
• LED torch
• Satellite Set Top Box
Absolute Maximum Rating
Parameter
Value
SW Voltage
-0.3V~38V
All Other PIN Voltages
-0.3V~6.5V
SW to ground current
Internally limited
Operating Temperature Range
-40℃~85℃
Storage Temperature Range
-55℃~150℃
Thermal Resistance (Θjc)
SOT23-6
ΘJA ΘJC
100 50 ℃/W
Note: Exceed these limits to damage to the device. Exposure to absolute maximum rating conditions may affect device reliability.
VER 1.2 1
1 page  
TFT Bias Application Circuit
ACE716E
Max 38V, Variable Frequency Step-up DC/DC Converter
Typical Application Circuit
(Typical values are at TA=25℃ unless otherwise specified)
VER 1.1
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5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet ACE716E.PDF ] | |
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