English
Language : 

LP28009 Datasheet, PDF (6/12 Pages) Lowpower Semiconductor inc – Internal Integrate P-MOSFETs
Preliminary Datasheet
Threshold Voltage
Vin from Low to High
ITERM
VSET
C/10Termination Current RSET=1.5K
Threshold
RSET=0.75K
ISETA pin Voltage
RSET=1.5K,Current Mode
CHG_SB Pin Weak VCHG_SB=5.0V
ICHG_SB
Pull-Down Current
CHG_SB Pin Output Low ICHG_SB=5mA
VCHG_SB
Voltage
PGOOD Pin Output Low IPGOOD_SB=5mA
VPGOOD
Voltage
LP28009
60
mV
0.1
mA/ mA
0.1
mA/ mA
1.5
V
25
uA
0.35
V
0.35
V
Parameter
Symbol
Test Conditions
Precharge
BATT Pre-Charge Rising Threshold
VPRECH
BATT Pre-Charge Threshold Hysteresis ∆VPRECH
Pre-Charge Current
IPCHG
VBATT=2V
Recharge Threshold
BATT Pre-Charge Falling Threshold
∆VPRECH_L VREG – VBATT
Hysteresis
Charge Termination Detection
Termination Current Ratio(default)
ITERM
VBATT=4.2V
Logic Input/Output
______________
C H G _ S Pull Down Voltage
_________________
VCHG_S
TBD, ICHG_S=5mA
PGOOD Pull Down Voltage
VPGOOD TBD, IPGOOD=5mA
______
E N Threshold
Logic-High
VIH
Voltage
Logic-Low
VIL
Voltage
______
E N Pin Input Current
IEN
IEN=2V
Protection
Thermal Regulation
OVP SET
Internal Default
Min Typ Max Units
2.6 2.8 3
V
50 100 200 mV
8
10 12
%
60 100 150 mV
--
10
--
%
--
65 --
mV
--
220 --
mV
1.5
--
--
V
--
-- 0.4
V
--
--
2
μA
-- 125 --
℃
-- 6.5 --
V
LP28009 – 02
May.-2013
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 6 of 12