NJM2337 [NJRC]
Battery Charger IC; 电池充电器IC
| 型号： | NJM2337 |
| 厂家： | 
NEW JAPAN RADIO |
| 描述： | Battery Charger IC |
| 文件： | 总6页 (文件大小：132K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NJM2337
Battery Charger IC
■
■
GENERAL DESCRIPTION
■ PACKAGE OUTLINE
The NJM2337 is a voltage and current control IC which
contains precision voltage reference.
It is suitable for battery charger, second controller of
switching regulator systems, and other battery systems.
NJM2337AF/BF/CF
FEATURES
●
●
Operating Voltage
Internal Precision Voltage Reference
1.24V±1%
2.2V to 13V
●
●
●
●
PC Terminal Current
Operating Current
Bipolar Technology
Package Outline
20mA max.
280µA max.
MTP6
■
PIN CONFIGURATION
PIN FUNCTION
1 : A -INPUT
2 : GND
VREF(A)
-
1
6
5
4
A
B
+
3 : B +INPUT
4 : V+
RFB
2
5 : PC
6 : A +INPUT
VREF(B)
-
+
3
NJM2337
■
ABUSOLUTE MAXIMUM RATINGS
(Ta=25°C)
UNIT
V
PARAMETER
SYMBOL
RATINGS
+14
Supply Voltage
V+
(Ach) 14V
(Bch) 14V
200
Differential Input Voltage
VID
V
Power Dissipation
PD
IPC
mW
mA
°C
PC Terminal Current
20
Operating Temperature Range
Storage Temperature Range
Topr
Tstg
-40 to +85
-50 to +150
°C
■
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Operating Voltage
SYMBOL
Vopr
RATINGS
2.2 to 13
UNIT
V
■
ELECTRICAL CHARACTERISTICS
(V+=5V, Ta=25°C)
PARAMETER
SYMBOL CONDITIONS
MIN.
TYP.
200
-
MAX.
280
1
0.3
1.3
UNIT
µA
µA
V
Operating Current
Leakage Current
ICC
IPC=off
-
-
IPCLEAK
VPC(SAT)
RFB
V+=VPC=13V
IPC=20mA
Saturation Voltage
Feedback Resistance
-
0.1
1.0
0.7
Ω
[Ach]
PARAMETER
SYMBOL CONDITIONS
A version
MIN.
69
105
145
-
TYP.
72
MAX.
75
UNIT
mV
mV
mV
nA
Reference Voltage
VREF(A)
B version
C version
109
151
40
113
157
160
-
Input Bias Current
IB
Large Signal Voltage Gain
AV
-
80
dB
-0.2 to
3.0
70
Input Common Mode Voltage Range VICM
-
-
V
Common Mode Rejection Ratio
Supply Voltage Rejection Ratio
Slew Rate
CMR
SVR
SR
-
-
-
-
-
-
-
-
dB
dB
80
0.5
1
V/µs
MHz
Gain Bandwidth Product
GB
f=10kHz
[Bch]
PARAMETER
SYMBOL CONDITIONS
MIN.
TYP.
1240
20
MAX.
UNIT
mV
nA
Reference Voltage
VREF(B)
1227
1253
Input Bias Current
IB
-
-
-
-
-
-
-
80
-
Large Signal Voltage Gain
AV
80
dB
Input Common Mode Voltage Range VICM
0.5 to 4.0
80
-
V
Common Mode Rejection Ratio
Supply Voltage Rejection Ratio
Slew Rate
CMR
SVR
SR
-
dB
80
-
dB
0.5
-
V/µs
MHz
Gain Bandwidth Product
GB
f=10kHz
1
-
NJM2337
■
TYPICAL APPLICATION
• TYPICAL APPLICATION1
+
PC
R1
VI
NJM2337A/B/C
4
5
CONTROL IC
1
−
3
VREF(A)
+
A
B
6
+
PC
−
Battery
R2
RFB
VREF(B)
2
RSC
R1 + R2
(V)
( A )
VOUT = VREF( B )
×
R2
VREF( A )
RSC
CURRENT LIMIT =
• TYPICAL APPLICATION2
+
PC
R1
VI
NJM2337A/B/C
4
5
CONTROL
VREF(A)
−
+
1
+
3
A
B
6
−
Battery
R2
PC
RFB
VREF(B)
2
RSC
R1+R2
− ( IL × RSC ) ( V )
OUTPUT= { VREF ( B ) + ( IL × RSC ) } ×
R2
VREF(A)
RSC
(A)
CURRENT LIMIT=
NJM2337
■
TYPICAL CHARACTERISTICS
Ach Voltage Gain , Phase vs. Frequency
Bch Voltage Gain , Phase vs. Frequency Characteristic
Characteristic
( V+=5V ,Ta=25°C )
( V+=5V ,Ta=25°C )
50
40
30
20
10
225
180
135
90
45
0
50
30
225
180
135
90
dB
dB
Phase
10
45
Phase
0
0
-10
-30
-50
-45
-90
-135
-180
-225
-10
-20
-30
-40
-50
-45
-90
-135
-180
-225
100
1,000
10,000
100,000
1,000,000
10,000,000
100
1,000
10,000
100,000
1,000,000
10,000,000
Frequency Hz
Frequency Hz
Supply Current(Icc) vs. Supply Voltage(Vcc)
Supply Current(Icc) vs. Temperature
300
250
200
150
100
50
300
250
200
150
100
50
Vcc=13V
Vcc=5V
0
0
-40
-20
0
20
40
60
80
0
2
4
6
8
10
12
14
Ambient Temperature (°C)
Vcc (V)
INPUT BIAS CURRENT
70
60
50
40
30
20
10
0
Ach
Bch
-40
-20
0
20
40
60
80
Ambient Temperature (°C)
NJM2337
VOLTAGE REFERENCE
(A Version)
VOLTAGE REFERENCE
(B Version)
74
73
72
71
70
69
68
112
111
110
109
108
107
106
105
-40
10
60
-40
10
60
Ambient Temperature (°C)
Ambient Temperature (°C)
VOLTAGE REFERENCE
(C Version)
SATURATION VOLTAGE vs. OUTPUT CURRENT
(Ach.)
154
0.4
153
152
151
150
149
148
147
0.2
0.0
0
5
10
15
20
25
30
35
40
-40
Amb
1
i
0
ent Temperature(°C)
60
Output Current (mA)
SATURATION VOLTAGE vs. OUTPUT CURRENT
(Bch)
0.4
0.2
0.0
0
5
10
15
20
25
30
35
40
Output Current (mA)
NJM2337
Amp.Gain vs. Ambient Temperature
Amp.Gain vs. Ambient Temperature
( Bch )
( Ach )
120
110
100
90
120
110
100
90
AV
AV
SVR+
SVR+
SVR-
80
80
CMR
70
70
SVR-
-20
60
CMR
-20
60
-40
0
20
40
60
80
-40
0
20
40
60
80
Ambient Temperature (°C)
Ambient Temperature (°C)
Input Common Mode Voltage Range vs.
Input Common Mode Voltage Range vs.
Ambient Temperature (Bch)
Vcc=5V
Ambient Temperature (Ach)
Vcc=5V
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
VICM+
VICM+
VICM-
VICM-
-40
10
60
-40
10
60
Ambient Temperature (°C)
Ambient Temperature (°C)
The specifications on this data book are only given for
information, without any guarantee as regards either
mistakes or omissions. The application circuit in this data
book are described only to show representative usages of
the product and not intended for the guarantee or
permission of any right including the industrial rights.
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