参数资料
型号: SC804
厂商: Semtech Corporation
英文描述: Fully Integrated Lithium-Ion Battery Charger System with Timer
中文描述: 完全集成的锂离子电池充电器系统的计时器
文件页数: 17/21页
文件大小: 548K
代理商: SC804
5
2007 Semtech Corp.
www.semtech.com
SC804
PRELIMINARY
POWER MANAGEMENT
Parameter
Symbol
Conditions
Min
Typ
Max
Units
External RTIM
Regulation Voltage
V
RTIM
R
RTIM = 37.4kΩ
1.4
1.5
1.6
V
Timer Disable Threshold
VT
TIMER
V
RTIM ≤ VTTIMER
disables internal timer
0.65
0.85
V
Internal Timer Select
VT
INTTS
VCC-V
RTIM > VTINTTS
selects internal timer
1.1
V
Pre-Charge Fault Time-Out
T
PreQF
R
RTIM = 37.4kΩ
RTIM pulled to VCC
-20%
-35%
53
45
+20%
+35%
min
Complete Charge
Time-Out
T
QCOMP
R
RTIM = 37.4kΩ
RTIM pulled to VCC
-20%
-35%
3.5
3.0
+20%
+35%
hr
CHRGB On
V
CHRGB
Load = 5mA
0.5
1
V
CHRGB Off
I
CHRGB
Leakage Current, V = 5V
1
μA
CPB On
V
CPB
Load = 5mA
0.5
1
V
CPB Off
I
CPB
Leakage Current, V = 5V
1
μA
OVPB On
V
OVPB
Load = 5mA
0.5
1
V
OVPB Off
I
OVPB
Leakage Current, V = 5V
1
μA
FLTB On
V
FLTB
Load = 5mA
0.5
1
V
FLTB Off
I
FLTB
Leakage Current, V = 5V
1
μA
Notes:
1) VCC
OP Max is the “Maximum Vsupply” as dened in EIA/JEDEC Standard No. 78, paragraph 2.11.
2) The absolute voltage on CTO must not exceed 6.0V to ensure normal operation.
3) The threshold error is tested at V
CTO min and max only.
Electrical Characteristics (Cont.)
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