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White LED Driver for large LCD Panels - BD9428

BD9428 is a high efficiency driver for white LEDs and designed for large LCDs. This IC is built-in a boost DCDC converters that employ an array of LEDs as the light source. BD9428 has some protect function against fault conditions, such as the over-voltage protection (OVP), the over current limitprotection of DCDC (OCP), the short circuit protection (SCP), the open detection of LED string. Therefore BD9428 is available for the fail-safe design over a wide range output voltage.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number | BD9428
Status | Active
Package | DIP16
Unit Quantity | 1000
Minimum Package Quantity | 1000
Packing Type | Tube
RoHS | Yes

Specifications:

Topology

Boost

Number of Outputs

4

Vin(Min.)[V]

9.0

Vin(Max.)[V]

35.0

Output Current(Max.)[mA]

250.0

Frequency(Max.)[MHz]

0.8

Integrated FET

No

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Features:

· Operating power supply voltage range: 9.0V to 35.0V
· LED minimum current: 30mA
· LED maximum current: 250mA
· Oscillator frequency: 150kHz (RT=100kΩ)
· Operating Current: 4.5mA (Typ.)
· Operating temperature range: -40°C to +85°C