參數(shù)資料
型號(hào): LM3420
廠商: National Semiconductor Corporation
英文描述: Lithium-Ion Battery Charge Controller
中文描述: 鋰離子電池充電控制器
文件頁數(shù): 4/17頁
文件大?。?/td> 384K
代理商: LM3420
LM3420-8.2
Electrical Characteristics
Specifications with standard type face are for T
= 25C, and those with
boldface type
apply over
full Operating Tempera-
ture Range
. Unless otherwise specified, V(IN) = V
REG
, V
OUT
= 1.5V.
Symbol
Parameter
Conditions
Typical
(Note 4)
LM3420A-8.2
Limit
(Note 5)
LM3420-8.2
Limit
(Note 5)
Units
(Limits)
V
REG
Regulation Voltage
I
OUT
= 1 mA
8.2
V
8.241/
8.282
8.159/
8.118
±
0.5/
±
1
8.282/
8.364
8.118/
8.036
±
1/
±
2
V(max)
V(min)
%(max)
Regulation Voltage
Tolerance
Quiescent Current
I
OUT
= 1 mA
I
q
I
OUT
= 1 mA
85
μA
110/
115
125/
150
μA(max)
mA/mV
mA/mV(min)
mA/mV
mA/mV(min)
V/V
V/V(min)
V/V
V/V(min)
V
V(max)
μA
μA(max)
k
k
(max)
k
(min)
μV
RMS
G
m
Transconductance
I
OUT
/
V
REG
20 μA
I
OUT
1 mA
V
OUT
= 6V
1 mA
I
OUT
15 mA
V
OUT
= 6V
1V
V
OUT
V
REG
1.2V
(1.3)
R
L
= 470
(Note 6)
1V
V
OUT
V
REG
1.2V
(1.3)
R
L
= 5 k
V(IN) = V
REG
+100 mV
I
OUT
= 15 mA
V(IN) = V
REG
100 mV
V
OUT
= 0V
3.3
1.3/
0.75
1.0/
0.50
6.0
3.0/
1.5
2.5/
1.4
A
V
Voltage Gain
V
OUT
/
V
REG
1000
550/
250
450/
200
3500
1500/
900
1000/
700
V
SAT
Output Saturation
(Note 7)
Output Leakage
Current
Internal Feedback
Resistor (Note 8)
1.0
1.2/
1.3
1.2/
1.3
I
L
0.1
0.5/
1.0
0.5/
1.0
R
f
176
220
132
220
132
E
n
Output Noise
Voltage
I
OUT
= 1 mA, 10 Hz
f
10 kHz
140
LM3420-8.4
Electrical Characteristics
Specifications with standard type face are for T
= 25C, and those with
boldface type
apply over
full Operating Tempera-
ture Range
. Unless otherwise specified, V(IN) = V
REG
, V
OUT
= 1.5V.
Symbol
Parameter
Conditions
Typical
(Note 4)
LM3420A-8.4
Limit
(Note 5)
LM3420-8.4
Limit
(Note 5)
Units
(Limits)
V
REG
Regulation Voltage
I
OUT
= 1 mA
8.4
V
8.442/
8.484
8.358/
8.316
±
0.5/
±
1
8.484/
8.568
8.316/
8.232
±
1/
±
2
V(max)
V(min)
%(max)
Regulation Voltage
Tolerance
Quiescent Current
I
OUT
= 1 mA
I
q
I
OUT
= 1 mA
85
μA
110/
115
125/
150
μA(max)
mA/mV
mA/mV(min)
mA/mV
mA/mV(min)
G
m
Transconductance
I
OUT
/
V
REG
20 μA
I
OUT
1 mA
V
OUT
= 6V
1 mA
I
OUT
15 mA
V
OUT
= 6V
3.3
1.3/
0.75
1.0/
0.50
6.0
3.0/
1.5
2.5/
1.4
L
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