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A8169-025 Datasheet (PDF) - AiT Semiconductor Inc.

A8169-025 Datasheet PDF - AiT Semiconductor Inc.
No. de pieza A8169-025
Descarga  A8169-025 Descarga

Tamaño del archivo   710.86 Kbytes
Page   9 Pages
Fabricante Electrónico  AITSEMI [AiT Semiconductor Inc.]
Página de inicio  https://ait-ic.com/
Logo AITSEMI - AiT Semiconductor Inc.
Descripción Electrónicos LED BACKLIGHT DRIVER PWM MODE 23V STEP-UP SERIES WHITE LED DRIVER

A8169-025 Datasheet (PDF)

Go To PDF Page Descarga Datasheet
A8169-025 Datasheet PDF - AiT Semiconductor Inc.

No. de pieza A8169-025
Descarga  A8169-025 Click to download

Tamaño del archivo   710.86 Kbytes
Page   9 Pages
Fabricante Electrónico  AITSEMI [AiT Semiconductor Inc.]
Página de inicio  https://ait-ic.com/
Logo AITSEMI - AiT Semiconductor Inc.
Descripción Electrónicos LED BACKLIGHT DRIVER PWM MODE 23V STEP-UP SERIES WHITE LED DRIVER

A8169-025 Datasheet (HTML) - AiT Semiconductor Inc.

A8169-025 Datasheet HTML 1Page - AiT Semiconductor Inc. A8169-025 Datasheet HTML 2Page - AiT Semiconductor Inc. A8169-025 Datasheet HTML 3Page - AiT Semiconductor Inc. A8169-025 Datasheet HTML 4Page - AiT Semiconductor Inc. A8169-025 Datasheet HTML 5Page - AiT Semiconductor Inc. A8169-025 Datasheet HTML 6Page - AiT Semiconductor Inc. A8169-025 Datasheet HTML 7Page - AiT Semiconductor Inc. A8169-025 Datasheet HTML 8Page - AiT Semiconductor Inc. A8169-025 Datasheet HTML 9Page - AiT Semiconductor Inc.

A8169-025 Detalles de producto

DESCRIPTION
The A8169-025 Series is a fixed frequency, constant current step-up DC/DC converter ideal for driving LEDs used in backlighting applications on cellular phones, PDAs and digital cameras etc. Output voltage of up to 23V can be derived, and from a 3.2V input six white LED’s can be driven in series or alternatively, using a 2.5V input, a network of two parallel legs with three in each may be driven.
Luminance of the LED’s is controlled by changing the duty cycle of a PWM signal applied to the EN pin. In addition, an internal MOSFET with an RDS(ON) of 0.8Ω is used. Allow profile and small board area solution can be achieved using a chip coil and an ultra small ceramic output capacitor (CL) of 0.22uF.
The A8169-025 is available in SOT-26 package.

FEATURES
 Input voltage range: 2.5V~6V
 Output voltage range: up to 23V externally set-up reference voltage 0.25V
 Oscillation frequency: 1.0MHz
 On resistance: 0.8Ω
 Efficiency: 88%(When driving 3 white LEDs in series VIN=3.6V ILED=20mA)
 Control: PWM control
 Stand-by Current: ISTB=1.0uA
 Load capacitor: 0.22uF ceramic
 Lx limit Current:1.0A
 Available in SOT-26 package

APPLICATIONS
 For White LED Drivers
 Mobil phones, PHS
 PDAs,GPSs
 Digital still cameras




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