LP28300 データシートの表示（PDF） - Unspecified
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LP28300 Datasheet PDF : 10 Pages
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Preliminary Datasheet
LP28300
Electrical Characteristics (The specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. VCC = 5V, unless otherwise noted.)
SYMBOL
VIN
ICC
VFLOAT
IBAT
ITRIKL
VTRIKL
VTRHYS
VSNS
ISTAT
VSTAT
ΔVRESTAT
TLIM
TSS
ISNS
PARAMETER
CONDITIONS
MIN
Adapter/USB Voltage Range
Input Supply Current
Charge Mode (Note 4), RISET = 10k
Standby Mode (Charge Terminated)
Shutdown Mode (RISET Not
Connected,
VCC < VBAT, or VCC < VUV)
2.65
Regulated Output (Float) Voltage
BAT Pin Current
0°C ≤ TA ≤ 85°C, IBAT = 40mA
RSNS = 100mΩ, Current Mode
RSNS = 68mΩ, Current Mode
Standby Mode, VBAT = 4.2V
Shutdown Mode (RISET Not
Connected) Sleep Mode, VCC = 0V
4.158
860
1300
0
Trickle Charge Current
Trickle Charge Threshold Voltage
Trickle Charge Hysteresis Voltage
SNS Pin Voltage
STAT Pin Weak Pull-Down Current
STAT Pin Output Low Voltage
VBAT < VTRIKL, RSNS = 100mΩ(Note 80
5R)SNS = 100mΩ,VBAT Rising (Note 5) 2.8
RSNS = 100mΩ,(Note 5)
60
RISET = 10k, Current Mode
88
VSTAT = 5V
8
ISTAT = 5mA
Recharge Battery Threshold Voltage VFLOAT - VRESTAT
100
Junction Temperature in Constant Temperature Mode
Soft-Start Time
IBAT = 0 to IBAT =850V/RISET
ISET Pin Pull-Up Current
TYP.
5
300
200
25
4.2
1000
1470
-2.5
±1
±1
100
2.9
80
100
20
0.35
150
100
3
MAX UNITS
6
V
2000
500 uA
50
4.242 V
1120
mA
1620
-6
±2
±2 uA
120 mA
3.0 V
110 mV
116 mV
35 uA
0.6 V
200 mV
120 °C
uS
uA
LP28300 – 01 Version 1.1 Datasheet
Sep.-2010
www.lowpowersemi.com
Page 5 of 10
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