NJM2340
HIGH PRECISION DC/DC CONVERTER CONTROL IC
鈻燝ENERAL
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.
鈻燩ACKAGE
OUTLINE
NJM2340M
NJM2340RB1
鈻燜EATURES
鈼廝WM
switching control
鈼廜perating
Voltage
(3.6 to 32V)
鈼廤ide
Oscillator Range
(20kHz to 500 kHz)
鈼廌uty
Cycle
(0% to 100%)
鈼廋urrent
Sensing Amplifier
鈼廐igh
Precision Reference Voltage
Voltage Detect: 1V鹵1.5%
Current Detect: 150mV鹵4%
鈼廈ipolar
Technology
鈼廝ackage
Outline
DMP8, TVSP8
鈻燩IN
CONFIGURATION
1
2
3
4
8
7
6
5
NJM2340M
NJM2340RB1
Pin Function
1.IN1
2.IN2
3.F.B
4.GND
5.OUT
6.CT
7.V
REF
8.V
+
Ver 2.0
- 1 -