參數(shù)資料
型號(hào): SC805AMLTRT
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(yè)數(shù): 4/17頁(yè)
文件大?。?/td> 566K
代理商: SC805AMLTRT
4
2007 Semtech Corp.
SC805A
www.semtech.com
POWER MANAGEMENT
Parameter
Symbol
Condition
25
°
C
TA
(-40
°
C to +85
°
C)
Units
Min
Typ
Max
Min
Max
En-NTC Thresholds
VT
DIS
SC805A Disable
< 1.1
0.7
V
VT
NTCH
NTC Hot Vth Vcc = 5
0.3V
CC
0.294V
CC
0.314V
CC
V
VT
NTCC
NTC Cold Vth Vcc = 5
0.75V
CC
0.736V
CC
0.756V
CC
V
VT
NOBAT
No Battery Detect,
Vcc = 5
0.95V
CC
0.93V
CC
0.97V
CC
V
NTC
HYS
Hot/Cold Hysteresis
50
mV
Over-Temperature
Shutdown
OT
Hysteresis = 10°C
150
°C
CHRGB LED
Output
VCB
VOH
Charge Complete
Isrc = 2mA
4.5
4.3
5.0
V
VCB
VOL
Charging Isnk = 2mA
0.2
0.05
0.5
V
ICB
OFF
Disable or LDO-mode
Off-leakage
0.1
1.0
μA
NOBAT Output
VNB
VOH
EN = VCC, Isrc = 1mA
4.8
4.5
V
INB
OFF
EN = VCC/2
Off-Leakage
0.1
1.0
μA
VCCIL Resistance
VCCIL
R
R VCC to VCCIL,
1 = 100mA
0.2
Reduced
Fast-Charge Current
lfqRed
Vout = 3.8V,
Rprog = 1.87k,
VCCIL Load = 200mA
585
545
625
mA
Note:
(1) Charge current is reduced by VCCIL current. VCCIL current is not limited by the IC.
Electrical Characteristics (Cont.)
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