參數(shù)資料
型號(hào): SC805AEVB
廠商: Semtech Corporation
英文描述: Miniature Integrated High Current Lithium-Ion Battery Charger
中文描述: 微型集成高電流鋰離子電池充電器
文件頁數(shù): 3/17頁
文件大?。?/td> 566K
代理商: SC805AEVB
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
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