NJW4161

NJW4161 MOSFET Drive Switching Regulator IC for Buck Converter GENERAL DESCRIPTION The NJW4161 is a MOSFET Drive switching regulator IC for Buck Converter that operates wide input range from 3.1V to 40V. It can provide large current application because of built-in highly effective Pch MOSFET 10V drive circuit. There are two types, Hiccup type and Latch type, of over current protection version. It is suitable for logic voltage generation from high voltage that Car Accessory, Office Automation Equipment, Industrial Instrument and so on. ■ PACKAGE OUTLINE NJW4161R (MSOP8(VSP8)) NJW4161D (DIP8) FEATURES Pch MOSFET Driving Driving Voltage V+-10V(typ.) Wide Operating Voltage Range 3.1V to 40V PWM Control Automatic PWM/PFM Control improves power efficiency at light load. (C ver.) Wide Oscillating Frequency 50kHz to 1MHz Soft Start Function 15ms (typ.) Over Current Protection Hiccup type (A, C ver.) Latch type (B ver.) Thermal Shutdown Protection UVLO (Under Voltage Lockout) Standby Function Package Outline NJW4161R: MSOP8(VSP8) *MEETJEDEC MO-187-DA NJW4161D: DIP8 PRODUCT CLASSFICATION Part Number Version NJW4161R-A NJW4161D-A NJW4161R-B NJW4161R-C A A B C Controller PWM control PWM control PWM control PWM/PFM control Over Current Protection Hiccup type Hiccup type Latch type Hiccup type Package MSOP8 (VSP8) DIP8 MSOP8 (VSP8) MSOP8 (VSP8) Operating Temperature Range General Spec. -40 C to +125 C General Spec. -40 C to +125 C General Spec. -40 C to +125...