NJM2346 PDF даташит
Спецификация NJM2346 изготовлена «JRC» и имеет функцию, называемую «CVCC Control / DMP8 / TVSP8». |
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Детали детали
Номер произв | NJM2346 |
Описание | CVCC Control / DMP8 / TVSP8 |
Производители | JRC |
логотип |
5 Pages
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VOLTAGE AND CURRENT CONTROL IC
NJM2346
■GENERAL DESCRIPTION
The NJM2346 is a low power operation battery charger IC.
It includes a voltage reference and two operational amplifiers for
voltage and current control needed for a design of secondary circuit
for battery chargers and switching regulators.
Low current consumption design contributes low standby power
required for 1A class battery chargers.
■PACKAGE OUTLINE
NJM2346M
NJM2346RB1
■FEATURES
● Low Quiescent Current
● Precision AMP.
● Operating Voltage
● Precision Voltage Reference
● PC pin Sink Current
● Bipolar Technology
● Package Outline
■PIN CONFIGURATION
250uA typ.
Vio=0.5mV typ.
2.2V to 13V
1.24V±1%
20mA max.
DMP8, TVSP8
18
A
2 B 7VREF
36
45
PIN FUNCTION
1. PC
2. A -INPUT
3. A +INPUT
4. GND
5. B +INPUT
6. B -INPUT
7. VREF
8. V+
■ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
Supply Voltage
Differential Input Voltage
Common Mode Input Voltage
PC Terminal Current
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
V+
VID
VIC
IPC
PD
TOPR
TSTG
MAXIMUM RATINGS
14
(Ach) 14
(Bch) 14
(Ach) -0.3 ∼ 14 (note)
(Bch) -0.3 ∼ 14 (note)
20
(DMP 8)
(TVSP 8)
300
320
-40 ∼ +85
-50 ∼ +150
(note) When the supply voltage is less than 14V,
the absolute maximum input voltage is equal to the supply voltage.
UNIT
V
V
V
mA
mW
°C
°C
Ver.2003-05-21
-1-
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NJM2346
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■RECOMMENDED OPERATING CONDITIONS (Ta=25°C)
PARAMETER
SYMBOL
MAXIMUM RATINGS
Operating Voltage
Vopr 2.2 ∼ 13
UNIT
V
■ELECTRICAL CHARACTERISTICS (V+=5V,Ta=25°C)
GENERAL CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITION
Operating Current
Leakage Current
Saturation Voltage
Reference Voltage
Reference Voltage
Load Regulation
ICC
IPCLEAK
VPC(SAT)
VREF
∆VREF/
∆IREF
IPC=off
V+=VPC=13V
IPC=20mA
IREF=0mA
IREF=0mA ∼ 1mA
[Ach]
PARAMETER
Input Offset Voltage
Input Offset Current
Input Bias Current
Large Signal Voltage Gain
Input Common Mode
Voltage Range
Common Mode Rejection Ratio
Supply Voltage Rejection Ratio
Slew Rate
Gain Bandwidth Product
SYMBOL
TEST CONDITION
VIO
IIO
IB
AV
VICM
CMR
SVR
SR
GB
f=10kHz
[Bch]
PARAMETER
Input Offset Voltage
Input Offset Current
Input Bias Current
Large Signal Voltage Gain
Input Common Mode
Voltage Range
Common Mode Rejection Ratio
Supply Voltage Rejection Ratio
Slew Rate
Gain Bandwidth Product
SYMBOL
TEST CONDITION
VIO
IIO
IB
AV
VICM
CMR
SVR
SR
GB
f=10kHz
MIN.
–
–
–
1227
–
TYP.
250
–
0.1
1240
–
MAX.
350
1
0.3
1253
10
UNIT
uA
uA
V
mV
mV
MIN.
–
–
–
–
-0.2 ∼
3.0
–
–
–
–
TYP.
0.5
10
40
80
–
80
80
0.5
1
MAX.
2
50
160
–
–
–
–
–
–
UNIT
mV
nA
nA
dB
V
dB
dB
V/uA
MHz
MIN.
–
–
–
–
0.5 ∼
4.0
–
–
–
–
TYP.
0.5
10
20
80
–
80
80
0.5
1
MAX.
2
50
80
–
–
–
–
–
–
UNIT
mV
nA
nA
dB
V
dB
dB
V/uA
MHz
-2-
Ver.2003-05-21
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■ TYPICALAPPLICATIONS
VI
CONTROL IC
PC
NJM2346
R1 R3
8
2
A
3
R2
RSC
R4
4
PC
1 NJM2346
5
B
6
VREF=1.24V±1% 7
R5
Battery
R6
Ver.2003-05-21
-3-
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