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| 型号： | SC804IMLTRT |
| 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： | 12/21页 |
| 文件大小： | 548K |
| 代理商： | SC804IMLTRT |
2
2007 Semtech Corp.
www.semtech.com
SC804
PRELIMINARY
POWER MANAGEMENT
Unless otherwise noted: VCC = 4.75V - 5.25V. Typical values are at T
A = 25°C Min and Max are for -40°C < TA < +85°C unless noted.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Operating Voltage
VCC
OP
4.2
5.0
6.1(1)
V
VCC UVLO Rising
Threshold
VT
UVLOR
Charging begins when
threshold is exceeded
3.8
4.0
4.2
V
VCC UVLO Falling
Threshold
VT
UVLOF
Charging continues until
threshold is reached
2.8
3.0
3.2
V
VCC OVP Rising
Threshold
VT
OVPR
6.5
6.8
7.25
V
VCC OVP Falling
Threshold
VT
OVPF
6.1
6.5
6.85
V
VCC OVP Hysteresis
VT
OVPH
200
350
600
mV
Operating Current
ICC
DIS
Shutdown Mode - CHRGB, CPB,
OVPB, FLTB off NTC = 0V
1.9
mA
ICC
CHG
Charging Mode - CHRGB, CPB,
OVPB, FLTB off NTC = 2.5V
2.0
Exceeding the specications below may result in permanent damage to the device or device malfunction. Operation outside of the parameters specied in the
Electrical Characteristics section is not implied.
Parameter
Symbol
Maximum
Units
VCC, CTO, NTC to GND
-0.3 to 14.0
V
VOUT, BSEN, RTIM, AFC, IPRGM, CPB, CHRGB, OVPB,
ITERM, FLTB, to GND
-0.3 to +6.0
V
RGND to GND
-0.3 to 0.3
V
VOUT Output Current
I
VOUT
1.5
A
Power Dissipation MLP (Derate 20mW/°C above 85°C)
Pd
2
W
Thermal Impedance, Junction to Ambient(1)
θ
JA
48
°C/W
Junction Temperature
T
J
150
°C
Operating Ambient Temperature Range
T
A
-40 to +85
°C
IR Reow Temperature
T
LEAD
260
°C
Storage Temperature Range
T
STG
-65 to 150
°C
VOUT short to GND
Continuous
ESD Protection Level(2)
V
ESD
2kV
Notes:
1) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
2) Tested according to JEDEC standard JESD22-A114-B.
Absolute Maximum Ratings
Electrical Characteristics
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