PJ3800

m Low Voltage o .c U 4 he PJ3800 is a single-channel t switching regulator e control IC for low voltage e applications incorporating a h soft start function and short circuit detection function. S a The device has a low t minimum operating voltage of 1.8 V and a is ideal for the power supply of battery-operated electronic D equipment.. w . w FEATURES w PJ3800 Switching Regulator Controller T SOP-8 TSSOP-8 z z z z z z z z Wide supply voltage operating range: 1.8 to 15 V operation, 1 mA or less in stand-by Low current consumption: Typically 5.5 mA in High speed operation is possible: Maximum 1 MHz peripheral components are minimized. Incorporates a soft start circuit. circuit (SCP). The error amplifier gain is set inside the IC, so Incorporates a timer-latch type short circuit detection Totem-pole type output with adjustable on/off current (for NPN transistors) Incorporates a stand-by function. BLOCK DIAGRAM m o .c U 4 t e e h S a t a .D w w w ORDER INFORMATION Device Operation Temperature -20 ~ +85℃ PJ3800CS PJ3800CA Pin 1. Error amplifier inverting input 2. Soft Star & SCP 3. Power supply 4. Output current setting and control 5. Output 6. Ground 7. Oscillation frequency 8. Error amplifier output Package SOP-8 TSSOP-8 m o .c U 4 t e e h S a at .D w w w 2003/04.rev.A 1-8 PJ3800 Low Voltage Switching Regulator Controller ABSOLUTE MAXIMUM RATINGS Parameter Power supply voltage Output source current Output sink current Allowable dissipation Operating temperature S...