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參數資料
| 型號： | LM3620M5X-4 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Lithium-Ion Battery Charger Controller |
| 中文描述： | BATTERY CHARGE CONTROLLER, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數： | 4/6頁 |
| 文件大?。?/td> | 139K |
| 代理商： | LM3620M5X-4 |
LM3620-8
V
= 5V, I
= 2mA. Limits with
boldface type
apply over the full operating ambient temperature range, 0C to + 70C,
limits with standard typeface apply for T
A
= 25C.
Symbol
Parameter
Conditions
V
REG
Regulated Output Voltage (pin
1 to ground)
anode)
Typical
8.2
Limit
Units
V(min)
V(max)
V(min)
V(max)
%
Pin 5 shorted to pin 1 (graphite
8.102/
8.036
8.298/
8.364
8.299/
8.232
8.501/
8.568
±
1.2/
±
2.0
Pin 5 open (coke anode)
8.4
Regulated Output Voltage
Tolerance
Supply Sensitivity
Quiescent Current
Off State Current
Drive Pin Sink Current
Drive Pin Transconductance
Either Pin 5 setting
V
REG
/V
DRIVE
I
Q
I
OFF
I
DRIVE
Gm
(DRIVE)
V
REG
for 5V
≤
V
DRIVE
≤
30V
V
REG
= 8.7V, V
EXT
= 1.0V (Note 4)
V
DRIVE
open circuited (Note 5)
V
DRIVE
= 5.0V
I
DRIVE
/
V
REG
2mA
I
DRIVE
≤
15mA
V
EXT
= 1V (Note 6)
I
EXT
/
V
REG
, V
EXT
= 1V
0mA
≤
I
EXT
≤
2.5mA
Pin 1 to Ground.
Circuit biased with V
DRIVE
applied
V
DRIVE
open circuited
200
400
10
20
μV/V(max)
μA(max)
nA(max)
mA(min)
750
200
15
1.5
A/V
I
EXT
Gm
(EXT)
External Pin Source Current
External Pin Transconductance
3
2.5
mA(min)
0.4
A/V
R
IN
V
REG
Input Resistance
110
42
2900
k
M
R
F
Feedback Resistance
Pin 1 to Pin 5
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is in-
tended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics.
Note 2:
The maximum power dissipation must be derated at elevated temperatures and is limited by T
JMAX
(maximum junction temperature),
θ
J-A
(junction-to-ambient thermal resistance) and T
(ambient temperature). The maximum power dissipation at any temperature is: PDiss
MAX
= (T
JMAX
T
A
)/
θ
J-A
up to
the value listed in the Absolute Maximum Ratings.
Note 3:
Rating is for the human body model, a 100 pF capacitor discharged through a 1.5k
resistor into each pin.
Note 4:
Quiescent current is all current flowing to ground when the voltage at the V
REG
pin is forced to be above the nominal regulating voltage (V
REG
).
Note 5:
Off current is all of the current flowing to ground including all leakage current that would be drawn from the battery connected to the V
REG
terminal.
Note 6:
When the External pin is being used as the driving source, it is recommended to keep the operating point of V
≤
1V. If greater than 1V, the internal circuitry
would bias I
DRIVE
to conduct up to the current limit level continuously causing unnecessary power dissipation in the device.
www.national.com
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