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參數(shù)資料
| 型號： | AP8803WTG-7 |
| 廠商： | DIODES INC |
| 元件分類： | 顯示驅(qū)動器 |
| 中文描述： | LED DISPLAY DRIVER, PDSO5 |
| 封裝： | ROHS COMPLIANT, TSOT-23, 5 PIN |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 99K |
| 代理商： | AP8803WTG-7 |
Diodes Incorporated
The AP8803 is a step-down DC/DC converter designed to
drive LEDs with a constant current. The device can drive
up to 7 LEDs, depending on the forward voltage of the
LEDs, in series from a voltage source of 8V to 30V. Series
connection of the LEDs provides identical LED currents
resulting in uniform brightness and eliminating the need
for ballast resistors. The AP8803 switches at frequency up
to 700kHz. This allows the use of small size external
components, hence minimizing the PCB area needed.
Maximum output current of AP8803 is set via an external
resistor connected between the V
IN
and SET input pins.
Dimming is achieved by applying either a DC voltage or a
PWM signal at the CTRL input pin. An input voltage of
0.2V or lower at CTRL shuts down the output at SW and
puts the device into a low-current standby state.
Features
LED driving current up to 1A
High efficiency up to 92%
Operating input voltage up to 30V
High switching frequency up to 700kHz
PWM/DC input for dimming control
Built-in output open-circuit protection
TSOT23-5 is available in “Green” Mold Compound
(No Br, Sb) and lead Free Finish/RoHS Compliant
(Note 1)
Pin Assignments
TSOT23-5
1
2
3
4
5
SET
V
IN
CTRL
GND
SW
Top View
Notes: 1.
EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
Typical Application Circuit
L1
R
SET
C1
AP8803
CTRL
V
IN
SET
SW
GND
12V_DC
Figure 1. Typical Application Circuit
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| AP8821 | 制造商:APLUS 制造商全稱:APLUS 功能描述:21 sec VOICE OTP |
| AP8841 | 制造商:American Power Conversion Corp (APC by Schneider Electric) 功能描述:RACK PDU 2G, METERED, ZEROU, 30A, 200/208V, (36) C13 & (6) C19 制造商:Schneider Electric 功能描述:RACK PDU 2G, METERED, ZEROU, 30A 200/208V, (36) C13 & (6) C1 - Bulk |
| AP8842 | 制造商:APLUS 制造商全稱:APLUS 功能描述:42 sec VOICE OTP |
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