NJM2340 JRC, NJM2340 Datasheet - Page 3

• Manufacturer Part Number: NJM2340
• Description: Switching Regulator IC / DMP8 / TVSP8
• Manufacturer: JRC

www.DataSheet4U.com
■ELECTRICAL CHARACTERISTICS (V
REFERENCE VOLTAGE BLOCK
OSCILLATOR BLOCK
CURRENT SENSE AMPLIFIER BLOCK
ERROR AMPLIFIER BLOCK
PWM COMPARATE BLOCK
OUTPUT BLOCK
GENERAL CHARACTERISTICS
(note) Duty·Cycle is defined as follows:
Output Voltage
Line Regulation
Load Regulation
Oscillation Frequency
Reference Voltage1
Input Bias Voltage1
Maximum Output Voltage1
Maximum Source Current1
Reference Voltage2
Input Bias Voltage2
Maximum Output Voltage2
Maximum Source Current2
Input Threshold Voltage (F.B Pin)
Input Threshold Voltage (F.B Pin)
L Output Voltage (OUT Pin)
Average Quiescent Current
Duty·Cycle=0%: IC output transistor is OFF.
Duty·Cycle=100%: IC output transistor is ON.
PARAMETER
PARAMETER
PARAMETER
PARAMETER
PARAMETER
PARAMETER
PARAMETER
(F.B Pin)
(F.B Pin)
(F.B Pin)
(F.B Pin)
SYMBOL
SYMBOL
SYMBOL
SYMBOL
SYMBOL
SYMBOL
SYMBOL
V
V
V
V
V
I
V
L
V
I
I
f
V
V
L
V
CCAV
I
OM+
OM
I
OM+
OM
TH100
OSC
OM-
OM-
OAD
B
B
REF
TH0
INE
B
B
OL
1
2
+
1
2
1
2
=12V,Ta=25°C)
1
2
1
2
I
V
I
R
R
R
V
R
R
V
duty·cycle=0%
duty·cycle=100%
I
R
OR
OR
SINK
+
OM
OM
T
NF
NF
NF
NF
L
=3.6
=27kΩ, C
=∞, duty·cycle=50%
=1mA
=0.1
=100kΩ
=100kΩ
=100kΩ
=100kΩ
1=0.5V
2=0.5V
TEST CONDITION
TEST CONDITION
TEST CONDITION
TEST CONDITION
TEST CONDITION
TEST CONDITION
TEST CONDITION
=10mA
32V, I
5.0mA
T
=220pF
OR
(note)
=1mA
(note)
0.985
MIN.
MIN.
MIN.
MIN.
MIN.
V
MIN.
MIN.
1.98
315
144
0.6
0.6
40
40
OM
–
–
–
–
–
–
–
–
–
-
1.000
-0.15
-0.15
TYP.
TYP.
TYP.
V
0.75
TYP.
V
0.75
TYP.
TYP.
TYP.
2.00
350
150
4.0
6.0
1.0
1.4
0.5
1.5
20
85
20
85
REF
REF
NJM2340
1.015
MAX.
MAX.
MAX.
MAX.
MAX.
MAX.
MAX.
2.02
385
156
100
200
100
200
0.9
0.9
1.1
0.7
2.0
20
40
–
–
–
UNIT
UNIT
UNIT
UNIT
UNIT
UNIT
UNIT
kHz
mV
mV
mV
mA
- 3 -
nA
µA
nA
µA
V
V
V
V
V
V
V
V
V