芯美 子
Absolute Maximum Ratings
Preliminary
EUP8080
ꢁ
ꢁ
Vcc, t < 1ms and Duty Cycle < 1% -------------------------------------------------------------- -0.3V to 7V
Vcc Steady State ------------------------------------------------------------------------------------ -0.3V to 6V
ꢁ
ꢁ
BAT, CHRG ------------------------------------------------------------------------------------------ -0.3V to 6V
EN _ CHRG , PROG , ACPR ---------------------------------------------------------- -0.3V to VCC +0.3V
ꢁ
ꢁ
ꢁ
ꢁ
ꢁ
ꢁ
MODE, EN_BUCK ----------------------------------------------------------------------- -0.3V to VBAT +0.3V
FB ----------------------------------------------------------------------------------------------------- -0.3V to 2V
BAT Short-Circuit Duration ----------------------------------------------------------------------- Continuous
BAT Pin Current -------------------------------------------------------------------------------------
800mA
PROG Pin Current ---------------------------------------------------------------------------------------- 2mA
Junction Temperature ------------------------------------------------------------------------------------- 125℃
Operating Temperature Range (Note 2) ------------------------------------------------------ -40℃ to 85℃
Storage Temperature Range ------------------------------------------------------------------ -65℃ to 125℃
ꢁ
ꢁ
Electrical Characteristics (TA = 25℃, VCC = 5V, VBAT = 3.8V,
= 0V, VEN_BUCK = VBAT, VMODE = 0V.)
VEN _ CHRG
EUP8080
Min. Typ. Max.
Symbol
VCC
Parameter
Conditions
Unit
Supply Voltage
(Note 4)
(Note 5)
3.75
5
5.5
V
V
Input Voltage for the Switching
Regulator
VBAT
2.6
3.8
4.5
Quiescent Supply Current
(Charger On, Switching
Regulator Off)
V
BAT = 4.5V (Forces IBAT and
ICC
115
300
10
µA
I
PROG = 0), VEN_BUCK = 0
= 5V, VEN_BUCK = 0,
= 4V, VEN_BUCK = 0,
VEN _ CHRG
CC > VBAT
VEN _ CHRG
4.5
5
µA
µA
µA
µA
Supply Current in Shutdown
(Both Battery Charger and
Switching Regulator Off)
V
ICC_SD
VCC(3.5V) < VBAT(4V)
= 5V, VEN_BUCK = 0,
VEN _ CHRG
CC > VBAT
0.2
0.7
5
Supply Current in Shutdown
IBAT_SD (Both Battery Charger and
Switching Regulator Off)
V
= 4V, VEN_BUCK = 0,
VEN _ CHRG
VCC(3.5V) < VBAT(4V)
Battery Charger
VFLOAT
VBAT Regulated Output Voltage IBAT = 2mA, 4.3V < VCC < 5.5V
RPROG = 4k; Current Mode;
4.158 4.200
4.242
110
V
90
100
500
mA
V
EN_BUCK = 0
IBAT
Current Mode Charge Current
RPROG = 0.8k; Current Mode;
VEN_BUCK = 0
475
525
mA
VCC Rising
3.4
2.8
3.6
3
3.8
3.2
V
V
VCC Undervoltage Lockout
Voltage
VUVLO_CHRG
V
CC Falling
DS8080 Ver 0.1 Aug. 2007
4
系
：15999644579 83151715
EUTECH [ EUTECH MICROELECTRONICS INC ]
