NJM2340
HIGH PRECISION DC/DC CONVERTER CONTROL IC
■GENERAL DESCRIPTION
NJM2340 is a high precision DC/DC converter control IC
with current sense amplifier.
It uses a low side current sensing which reduces external
components and improves accuracy.
It is applicable for a wide range of application since it
features high operating voltage and small outline packages.
■PACKAGE OUTLINE
NJM2340M
NJM2340RB1
■FEATURES
●PWM switching control
●Operating Voltage
(3.6 to 32V)
●Wide Oscillator Range
(20kHz to 500 kHz)
●Duty Cycle
(0% to 100%)
●Current Sensing Amplifier
●High Precision Reference Voltage
Voltage Detect: 1V±1.5%
Current Detect: 150mV±4%
●Bipolar Technology
●Package Outline
DMP8, TVSP8
■PIN CONFIGURATION
1
8
2
7
3
6
4
5
NJM2340M
NJM2340RB1
Pin Function
1.IN1
2.IN2
3.F.B
4.GND
5.OUT
6.CT
7.VREF
8.V+
Ver 2.0 - 1 -