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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(yè)數(shù)： | 3/17頁(yè) |
| 文件大?。?/td> | 384K |
| 代理商： | LM3420 |
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Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage V(IN)
Output Current
Junction Temperature
Storage Temperature
Lead Temperature
Vapor Phase (60 seconds)
Infrared (15 seconds)
Power Dissipation (T
A
= 25C)
(Note 2)
20V
20 mA
150C
65C to +150C
+215C
+220C
300 mW
ESD Susceptibility (Note 3)
Human Body Model
See AN-450 “Surface Mounting Methods and Their Effect
on Product Reliability” for methods on soldering
surface-mount devices.
1500V
Operating Ratings
(Notes 1, 2)
Ambient Temperature Range
Junction Temperature Range
Output Current
40C
≤
T
A
≤
+85C
40C
≤
T
J
≤
+125C
15 mA
LM3420-4.2
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-4.2
Limit
(Note 5)
LM3420-4.2
Limit
(Note 5)
Units
(Limits)
V
REG
Regulation Voltage
I
OUT
= 1 mA
4.2
V
4.221/
4.242
4.179/
4.158
±
0.5/
±
1
4.242/
4.284
4.158/
4.116
±
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
= 2V
1 mA
≤
I
OUT
≤
15 mA
V
OUT
= 2V
1V
≤
V
OUT
≤
V
REG
1.2V
(1.3)
R
L
= 200
(Note 6)
1V
≤
V
OUT
≤
V
REG
1.2V
(1.3)
R
L
= 2 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
75
94
56
94
56
E
n
Output Noise
Voltage
I
OUT
= 1 mA, 10 Hz
≤
f
≤
10 kHz
70
L
www.national.com
3
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相關(guān)代理商/技術(shù)參數(shù) |
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| LM3420-12.6 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Lithium-Ion Battery Charge Controller |
| LM3420-16.8 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Lithium-Ion Battery Charge Controller |
| LM3420-4.2 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Lithium-Ion Battery Charge Controller |
| LM3420-42 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Lithium-Ion Battery Charge Controller |
| LM3420-8.2 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Lithium-Ion Battery Charge Controller |
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