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LP78090 数据表(PDF) 6 Page - Lowpower Semiconductor inc

部件名 LP78090
功能描述  Programmable Charge Current Up to 1000mA
PDF  10 Pages
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制造商  POWER [Lowpower Semiconductor inc]
网页  http://www.lowpowersemi.com
标志 POWER - Lowpower Semiconductor inc

LP78090 数据表(HTML) 6 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP78090
LP78090 – 00
Version 1.0
Feb.-2014
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 6 of 10
Electrical Characteristics
(The specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN1/2=BVIN =
5V, unless otherwise noted.)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP.
MAX
UNITS
Charge
VIN
Adapter/USB Voltage Range
3.9
5
5.5
V
IQ
Input Supply Current
Charge Mode, RISET = 10k
330
2000
uA
Standby Mode (Charge Terminated)
230
500
Shutdown Mode (RISET Not Connected, VIN <
VBAT, or VIN < VUV and SC=0V)
40
60
VFLOAT
Regulated Output (Float) Voltage
0°C ≤ TA ≤ 85°C, IBAT = 40mA
4.158
4.2
4.242
V
IBAT
Current Input to Battery
RISET = 1.2k, Current Mode
800
1000
1200
mA
RISET = 2k, Current Mode
500
600
700
Standby Mode, VBAT = 4.2V Shutdown Mode
(RISET Not Connected)
Sleep Mode, VIN = 0V
0
-2.5
±1
±1
-6
±2
±2
uA
ISYS
Current Limit
form BAT or VIN to SYS
1100
1250
1400
mA
ITRIKL
Trickle Charge Current
VBAT < VTRIKL, RISET = 1.2k
80
100
120
mA
VTRIKL
Trickle Charge Threshold Voltage
RISET = 10k, VBAT Rising
2.8
2.9
3.0
V
VTRHYS
Trickle Charge Hysteresis Voltage
RISET = 10k
120
mV
VUV
VIN Under voltage Lockout Threshold for
Charge
VIN From Low to High
3.9
V
VUVHYS
VIN Under voltage Lockout Hysteresis for
Charge
150
200
300
mV
VMSD
Manual Shutdown Charge Threshold Voltage ISET Pin Falling
2.2
V
VASD
VIN – VBAT Lockout Threshold Voltage
VIN from Low to High
70
100
140
mV
VIN from High to Low
5
30
50
mV
ITERM
C/10 Charge Termination Current Threshold
RISET = 10k, ITERM / ICharge
0.085
0.10
0.115
mA/mA
RISET = 2k, ITERM / ICharge
0.085
0.10
0.115
mA/mA
VSET
ISET Pin Voltage
RISET = 10k, Current Mode
2
V
V STAT
CHRG、STDBY Pin Output Low Voltage
ISTAT = 5mA
0.35
0.6
V
VRESTAT
Recharge Battery Voltage
4.05
V
ΔVRESTAT
Recharge Battery Threshold Voltage
VFLOAT - VRESTAT
100
150
200
mV
RON
Power FET “ON” Resistance (Between VIN and BAT)
300
mΩ
R DS(ON)
Path Switch NMOS RDS(ON)
130
mΩ
VSCL
Logic-Low Voltage
0.4
V
VSCH
Logic-High Voltage
1
V
ISC
VIN=VSC=5V
-1
1
uA
VSYS
Voltage on SYS pin
4.3V＜VIN
VIN
V
VIN=FLOAT
VBAT
VIN < 4.3V
VBAT
TLT
Thermal Limit Temperature
120
℃
TSD
Thermal Shutdown
150
℃
Charge Characteristics



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