NJW4161 Datasheet, PDF (1/19 Pages) New Japan Radio – MOSFET Drive Switching Regulator IC for Buck Converter

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
A
NJW4161D-A
A
NJW4161R-B
B
NJW4161R-C
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 C
General Spec.
-40 C to +125 C
Ver.2015-05-11
-1-