TK11851L-G - White LED driver IC

TOKO

TK11851L-G Datasheet Preview — Preview of TK11851L-G PDF

Datasheet Details

Part number	TK11851L-G
Manufacturer	TOKO
File Size	201.32 KB
Description	White LED driver IC
Datasheet	TK11851L-G_TOKO.pdf

TK11851L-G Product details

Description

The TK11851L-G is a pulse skipping step-up DC-DC converter IC designed for White LED driver applications, suitable for 2 to 4 LEDs, with the following built in : a high current switching transistor (400mA peak),an inductor current limit detector, a low voltage reference (Vref=0.515V),a high speed oscillator, an error comparator, a zener diode for opencircuit protection (OVP) and an ON/OFF control(En pin).

Features

Wide Operating Voltage: 2.3 to 10.0V.
Built-in Switching Transistor.
Active High On/Off Control: En pin.
Available Intensity Control Using En Pin with PWM Signal (Pulse Width Modulation).
Operates with Toko D31FB Miniature Coil (Current Limited by Input Current Sensor).
Few External Components.
OVP (Open-circuit Voltage Protection).
Small Package: SOT23L-8.
: VOP=2.3 to 10.0V.
On/Off: En.

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Published: Mar 5, 2010 |