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SC804EVB Datasheet(PDF) 3 Page - Semtech Corporation

Part # SC804EVB
Description  Fully Integrated 4.4V Lithium-Ion Battery Charger System with Timer
PDF  21 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC804EVB Datasheet(HTML) 3 Page - Semtech Corporation

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© 2005 Semtech Corp.
www.semtech.com
SC804A
PRELIMINARY
POWER MANAGEMENT
DRAFT
Electrical Characteristics (Cont.)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Battery Leakage Current
(VOUT and BSEN)
ILEAK
BAT
VCC = 0V,
VOUT = BSEN = 4.5V
0.1
2
μA
Regulated Constant
Voltage
V
CV
0°C ≤ T
J ≤ 125°C
4.314
4.357
4.40
V
RGND Output Accuracy
VOUT = VOUT
NOM + ∆RGND
V
RGND
RGND - GND = 30mV
22
30
38
mV
RGND Current
I
RGND
RGND = 0V
35
μA
Battery Pre-Charge Current
I
PREQ
R
ITERM = 499Ω, 0°C ≤ TJ ≤ 125°C
270
300
330
mA
Battery Termination
Current
I
TERM
R
ITERM = 499Ω, 0°C ≤ TJ ≤ 125°C
270
300
330
mA
Battery Fast-Charge
Current
I
FAST
R
PRGM = 1.87kΩ, VOUT = 3.8V
0°C ≤ T
J ≤ 125°C
753
815
878
mA
AFC DAC
Fast-Charge Current
I
DACADJ
R
PRGM = 1.87kΩ, V(AFC) = 0.75V
0°C ≤ T
J ≤ 125°C
364
405
447
mA
AFC Enable/Disable
Threshold
VT
AFC
VCC - V
AFC > VTAFC disables
Analog Fast Charge
1V
ITERM Regulated
Voltage
V
ITERM
1.45
1.557
1.66
V
IPROG Regulated
Voltage
V
IPRGM
1.45
1.557
1.66
V
V
BAT Precharge
Threshold
VT
PreQ
0°C ≤ T
J ≤ 125°C
2.9
3.01
3.11
V
V
BAT Recharge
Threshold
VT
ReQ
V
CV - VBSEN, 0°C ≤ TA ≤ 85°C
60
100
140
mV
Over-Temperature
Shutdown
T
OT
Hysteresis = 10°C
150
°C



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