English
Language : 

SC802 Datasheet, PDF (2/16 Pages) Semtech Corporation – Fully Integrated Lithium-Ion Battery Charger System with Timer
SC802/SC802A
POWER MANAGEMENT
Absolute MaPxirmeluimmi-Ratings
nary Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters
specified in the Electrical Characteristics section is not implied.
Pin Combination
Symbol
Maximum
Units
VCC, EN to GND
-0.3 to 14.0
V
VOUT, Rtime, AFC, VPRGM, IPRGM, CPB, CHRGB, ITERM,
BIPB, to GND
-0.3 to +6.0
V
REFGND to GND
-0.3 to 0.3
V
Power Dissipation
MLP (Derate 20mW/ °C above 85°C)
Pd
2
W
Thermal Impedance, Junction to Ambient
T
JA
Thermal Impedance, Junction to Case
TJC
Junction Temperature
TJ
Operating Ambient Temperature Range
TA
Peak IR Reflow temperature, soldering 20s-40s
TLEAD
Storage Temperature Range
TSTG
VOUT short to GND
* Tied to PCB with 1 Square Inch, 2 Ounce Copper, using JESD 51 Standard.
Electrical Characteristics
Unless otherwise noted: VCC = 4.75V - 5.25V
Parameter
Symbol
Conditions
Input Withstand Voltage
VCC
Operating Voltage
VOP
VCC UVLO Rising Threshold
VCC UVLO Hysteresis
VCC OVP Rising Threshold
VCC OVP Falling Threshold
VCC OVP Hysteresis
Operating Current
VTUVLOR
VTUVLOH
VTOVPR
VTOVPF
VTOVPH
ICCDIS
VCC Falling Hysteresis
VCC Falling Hysteresis
Shutdown Mode
CHRGB,CPB off
ICCCHG
Charging Mode
CHRGB, CPB off
ICCLDO
LDO Mode
CHRGB, CPB off
* Maximum Vsupply as defined in EIA/JEDEC Standard No. 78, paragraph 2.11.
© 2005 Semtech Corp.
2
50*
3
150
-40 to +85
260
-65 to 150
Continuous
°C/W
°C/W
°C
°C
°C
°C
25oC
TA
Units
(-40oC to +85oC)
Min Typ Max Min Max
4.3
14
V
4.3
6.5*
V
4.0
3.7
4.3
V
40
mV
6.8
6.5
7.5
V
6.5
6.1
7.1
V
300
200
500
mV
2.6
mA
2.4
1
3.5
16
8
23
www.semtech.com