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SC805AMLTRT Datasheet(PDF) 3 Page - Semtech Corporation

No. de pieza SC805AMLTRT
Descripción Electrónicos  Miniature Integrated High Current Lithium-Ion Battery Charger
PDF  17 Pages
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Fabricante Electrónico  SEMTECH [Semtech Corporation]
Página de inicio  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC805AMLTRT Datasheet(HTML) 3 Page - Semtech Corporation

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 2007 Semtech Corp.
www.semtech.com
SC805A
3
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Symbol
Condition
25°C
TA
(-40°C to +85°C)
Units
Min
Typ
Max
Min
Max
Battery Fast-Charge
Current(1)
IFastQ
1
IPRGM = 15k
100
91.5
111.5
mA
IFastQ
2
IPRGM = 1.87k
787
-5
+5
%
VBATTERY = 3.8V
Dropout Voltage = 500mV
Battery Fast-Charge
Max Current Limit
2.8V < VBATTERY
< VBAT
1.0
A
IProg Regulated
Voltage
V
IPRGM
1.5
1.42
1.58
V
ITerm Regulated
Voltage
V
ITERM
1.5
1.42
1.58
V
Vin OVP Rising
Threshold
VT
OVPR
6.8
6.4
7.5
V
Vin OVP Falling
Theshold
VT
OVPF
6.4
5.9
7.15
V
Vin OVP Hysteresis
VT
OVPH
375
150
mV
Vin UVLO
Rising Threshold
VT
UVLOR
2.8
3.5
V
Vin UVLO
Falling Threshold
VT
UVLOF
2.75
2.5
3.25
V
Vin UVLO
Hysteresis
VT
UVLOH
50
30
mV
Vbat Pre-Charge
Threshold
VT
PREQR
2.8
2.7
2.9
V
Vbat Recharge
Threshold
VT
REQ
VBAT - VBATTERY
100
60
140
mV
Pre-Charge Fault
Time-Out
T
PQFAULT
Rtime = 39.2k
38
30.7
44.7
min
Charge Complete
Time-Out
T
FASTQ
Rtime = 39.2k
2.5
2.0
3.0
hrs
Time Disable
Threshold
VT
TIMER
Rtime VIL Voltage
1.0
0.7
V
LDO-Mode Select
Threshold
VT
IINTTS
VCC-Rtime Voltage
1.1
0.7
V
Electrical Characteristics (Cont.)



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