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参数资料
| 型号： | LSP4054CLAD |
| 厂商： | LITE-ON SEMICONDUCTOR CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封装： | SOT-23, 5 PIN |
| 文件页数： | 14/17页 |
| 文件大小： | 634K |
| 代理商： | LSP4054CLAD |
Liteon Semiconductor Corporation
LSP4054
Standalone Linear Li-ion Battery Charger with Thermal Regulation
Rev1.1
6/17
ELECTRICAL CHARACTERISTICS
(CONTINUED)
The * denotes specifications which apply over the full operating temperature range, otherwise specifications are at
TA=25°C. Vcc=5V, unless otherwise noted.
PARAMETER
SYMBO
L
TEST CONDITIONS
MIN
TYP
MAX
UNIT
*RPROG=10k (Note 4)
C/10 termination current
threshold
ITERM
*RPROG=2k
0.085
0.10
0.115 mA/mA
PROG pin voltage
VPROG
*RPROG=10k, current mode
0.93
1.0
1.07
V
CHRG pin weak pull-down
current
ICHRG
VCHRG=5V
8
20
35
uA
CHRG pin output low voltage
ICHRG=5mA
0.35
0.6
V
Recharge battery threshold
voltage
VRECHRG
VFLOAT -VRECHRG
100
200
mV
Junction temperature in
constant temperature mode
TLIM
120
°C
Power FET “ON” resistance
(between Vcc and VBAT)
RON
600
m
Soft-start time
tss
=0 to IBAT=1000V/RPROG
100
us
Recharge comparator filter
time
tRECHARGE
VIBAT high to low
0.75
2
4.5
ms
Termination comparator filter
time
TTERM
IBAT falling below ICHRG/10
400
1000
2500
us
PROG pin pull-up current
IPROG
3
uA
Note 3: Supply current includes PROG pin current (approximately 100uA) but does not include any current delivered
to the battery through the BAT pin (approximately 100mA)
Note 4: ITERM is expressed as a function of measured full charge current with indicated PROG resistor
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