TK11851L-G 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 parator, a zener diode for opencircuit protection (OVP) and an ON/OFF control(En pin). The IC works...
TK11851L-G Key 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 ponents
- OVP (Open-circuit Voltage Protection)
- Small Package: SOT23L-8
- 広い動作電圧: VOP=2.3 to 10.0V
- スイッチングトランジスタ内蔵