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LP28056S 数据表(PDF) 4 Page - Lowpower Semiconductor inc

部件名 LP28056S
功能描述  1.2A Single-chip Li-ion and Li-POL Charge
PDF  8 Pages
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制造商  POWER [Lowpower Semiconductor inc]
网页  http://www.lowpowersemi.com
标志 POWER - Lowpower Semiconductor inc

LP28056S 数据表(HTML) 4 Page - Lowpower Semiconductor inc

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LP28056S-02
May.-2013
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 4 of 8
Preliminary Datasheet
LP28056S
Electrical Characteristics
(TA=25℃. VIN=5V, unless otherwise noted.)
Symbol
Parameter
Condition
Min
Typ
Max
Units
VIN
Adapter/USB Voltage Range
3.9
5
6
V
ICC
Input Supply Current
Charge Mode, RISET=10k
300
2000
µA
Standby Mode
(Charge Terminated)
200
500
Shutdown Mode
(RISET NC / VEN=0V)
1
5
VFLOAT
Regulated Output (Float)
Voltage
IBAT=40mA
4.158
4.2
4.242
V
IBAT
BAT Pin Current
RISET=1k
800
1000
1200
mA
RISET=2k
400
500
600
Standby Mode, VBAT=4.2V
Shutdown Mode (RISET NC)
Sleep Mode, VIN=0V
0
-2.5
±1
±1
-6
±2
±2
µA
ITRIKL
Trickle Charge Current
VBAT<VTRIKL, RISET=2k,
45
50
55
mA
VTRIKL
Trickle Charge Threshold
Voltage
RISET=10k, VBAT Rising
2.8
2.9
3.0
V
VTRHYS
Trickle Charge Hysteresis
Voltage
RISET=10k
60
80
110
mV
VUV
VIN Under voltage Lockout
Threshold
From VIN Low to High
3.7
3.8
3.95
V
VUVHYS
VIN Under voltage Lockout
Hysteresis
150
200
300
mV
VASD
VIN–VBAT Lockout Threshold
Voltage
VIN from Low to High
100
mV
VIN from High to Low
50
ITERM
C/10 Termination Current
Threshold
RISET=10k
10
%IBAT
RISET=2k
10
VISET
ISET Pin Voltage
RISET=10k, Current Mode
1.8
2.0
2.2
V
ISTAT
STAT Pin Weak Pull-Down
Current
VSTAT=5V
0
5
µA
VSTAT
STAT Pin Output Low
Voltage
ISTAT=5mA
0.35
0.6
V
ΔVRECHRG
Recharge Battery Threshold
Voltage
VFLOAT-VRECHRG
100
150
200
mV
TLIM
Junction Temperature in
Constant Temperature Mode
150
℃
RON
Power FET “ON” Resistance
(Between VIN and BAT)
300
mΩ



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