SC805
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Symbol
Conditions
25
o
C
T
A
(-40
o
C to +85
o
C)
Max
Min
6.4
6.0
5.9
150
2.55
2.5
30
2.7
60
30.7
2.0
0.7
0.7
0.7
0.294V
cc
0.736V
cc
0.93V
cc
0.314V
cc
0.756V
cc
0.97V
cc
2.9
140
44.7
3.0
3.15
3.1
Max
7.5
7.15
V
V
mV
V
V
mV
V
mV
min
hrs
V
V
V
V
V
V
mV
°
Units
Min
Vin OVP Rising Threshold
Vin OVP Falling Threshold
Vin OVP Hysteresis
Vin UVLO Rising Threshold
Vin UVLO Falling Threshold
Vin UVLO Hysteresis
Vbat Precharge Threshold
Vbat Recharge Threshold
Pre-Charge Fault Time-Out
Charge Complete Time-Out
Timer Disable Threshold
LDO-Mode Select Threshold
En-NTC Thresholds
VT
OVPR
VT
OVPF
VT
OVPH
VT
UVLOR
VT
UVLOF
VT
UVLOH
VT
PREQR
VT
REQ
T
PQFAULT
T
FASTQ
VT
TIMER
VT
IINTTS
VT
DIS
VT
NTCH
VT
NTCC
VT
NOBAT
NTC
HYS
Over Temperature Shutdown
CHRGB LED Output
OT
VCB
VOH
VCB
VOL
ICB
OFF
NoBat Output
VNB
VOH
INB
OFF
VCCIL Resistance
Reduced Fastcharge Current
VCCIL
R
IfqRed
VBAT - VBATTERY
Rtime=39.2k
Rtime=39.2k
Rtime VIL Voltage
VCC-RTIME Voltage
SC805 disable
NTC Hot Vth Vcc=5
NTC Cold Vth Vcc=5
No Battery Detect Vcc=5
Hot/Cold Hysteresis
Hysteresis = 10
°
C
Charge Complete
Isrc=2mA
Charging Isnk=2mA
Disable or LDO-mode
off leakage
EN=VCC, Isrc=1mA
EN=VCC/2 off leakage
R VCC to VCCIL, I=100mA
Vout=3.8v, Rprog=1.87k
VCCIL load = 200mA
Typ
6.8
6.4
375
2.8
2.75
50
2.8
100
38
2.5
1.0
1.1
< 1.1
0.3V
CC
0.75V
CC
0.95V
CC
50
150
4.5
0.2
0.1
4.8
0.1
0.2
585
C
4.3
0.05
5.0
0.5
1.0
V
V
µA
V
4.5
1.0
µA
W
545
625
mA
* Tied to PCB with 1 Square Inch, 2 Ounce Copper. Tja=41°C/W using JESD 51 Standard
** Charge current is reduced by VCCIL current. VCCIL current is not limited by the IC
*** Vbat load=75mA. See typical performance curves for load regulation.
2005 Semtech Corp.
3
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SEMTECH [ SEMTECH CORPORATION ]
