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LM3620 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM3620
Description  Lithium-Ion Battery Charger Controller
PDF  6 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3620 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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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
DRIVE)
35V
V
EXT
1.5V
Junction Temperature
150˚C
Storage Temperature
−65 to +150˚C
Lead Temp. Soldering
Vapor Phase (60 sec.)
Infrared (15 sec.)
215˚C
220˚C
Power Dissipation (T
A = 25˚C)
(Note 2)
300mW
ESD Susceptibility (Note 3)
2000V
Operating Ratings (Note 1)
Ambient Temp. Range
0˚C to 70˚C
Junction Temp. Range
0˚C to 125˚C
Thermal Resistance (Junction to
Ambient,
θ
J-A)
280˚C/W
Input Voltage (V
DRIVE)
4Vto30V
Electrical Characteristics
LM3620-4
V
DRIVE = 5V, IDRIVE = 2mA. Limits with boldface type apply over the full operating ambient temperature range, 0˚C to +70˚C,
limits with standard typeface apply for T
A = 25˚C.
Symbol
Parameter
Conditions
Typical
Limit
Units
V
REG
Regulated Output Voltage (pin
1 to ground)
Pin 5 shorted to pin 1 (graphite
anode)
4.1
4.051/4.018
V(min)
4.149/4.182
V(max)
Pin 5 open (coke anode)
4.2
4.150/4.116
V(min)
4.250/4.284
V(max)
Regulated Output Voltage
Tolerance
Either Pin 5 setting
±1.2/±2.0
%
V
REG/VDRIVE
Supply Sensitivity
V
REG for 5V ≤ VDRIVE ≤ 30V
100
µV/V(max)
I
Q
Quiescent Current
V
REG = 4.5V, VEXT = 1.0V (Note 4)
400
750
µA(max)
I
OFF
Off State Current
V
DRIVE open circuited (Note 5)
10
200
nA(max)
I
DRIVE
Drive Pin Sink Current
V
DRIVE = 5.0V
20
15
mA(min)
Gm
(DRIVE)
Drive Pin Transconductance
∆I
DRIVE/∆VREG
2mA
≤ I
DRIVE ≤15mA
3
A/V
I
EXT
External Pin Source Current
V
EXT = 1V (Note 6)
3
2.5
mA(min)
Gm
(EXT)
External Pin Transconductance
∆I
EXT/∆VREG,VEXT = 1V
0mA
≤ I
EXT ≤ 2.5mA
0.8
A/V
R
IN
V
REG Input Resistance
Pin 1 to Ground.
Circuit biased with V
DRIVE applied
V
DRIVE open circuited
46
k
Ω
42
M
Ω
R
F
Feedback Resistance
Pin 1 to Pin 5
1500
Ω
www.national.com
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