參數(shù)資料
型號(hào)： LTC4054LES5-4.2#TRMPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT; Package: SOT; No of Pins: 5; Temperature Range: -40°C to +125°C
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
封裝： PLASTIC, MO-193, LEAD FREE, TSOT-23, 5 PIN
文件頁(yè)數(shù)： 10/16頁(yè)
文件大?。?/td> 192K
代理商： LTC4054LES5-4.2#TRMPBF
3
LTC4054L-4.2
4054l42f
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TLIM
Junction Temperature in Constant
120
°C
Temperature Mode
RON
Power FET “ON” Resistance
1.5
(Between VCC and BAT)
tSS
Soft-Start Time
IBAT = 0 to IBAT =150V/RPROG
100
s
tRECHARGE
Recharge Comparator Filter Time
VBAT High to Low
0.75
2
4.5
ms
tTERM
Termination Comparator Filter Time
IBAT Drops Below ICHG/10
400
1000
2500
s
IPROG
PROG Pin Pull-Up Current
1.5
3
5
A
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: The LTC4054LE-4.2 is guaranteed to meet performance specifica-
tions from 0
°C to 70°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: See Thermal Considerations.
Note 4: Supply current includes PROG pin current (
≈1mA) but does not
include any current delivered to the battery through the BAT pin.
Note 5: ITERM is expressed as a fraction of measured full charge current
with indicated PROG resistor.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
PROG Pin Voltage vs Supply
Voltage (Constant Current Mode)
VCC (V)
4
V
PROG
(V)
0.9975
1.0000
1.0025
5.5
6.5
4054L G01
0.9950
0.9925
0.9900
4.5
5
6
1.0050
1.0075
1.0100
7
VCC = 5V
VBAT = 4V
TA = 25°C
RPROG = 1k
RPROG = 15k
TEMPERATURE (
°C)
–50
V
PROG
(V)
0.9975
1.0000
1.0025
25
75
4054L G02
0.9950
0.9925
0.9900
–25
0
50
1.0050
1.0075
1.0100
100
VCC = 5V
VBAT = 4V
RPROG = 1k
VPROG (V)
0
I BAT
(mA)
30
60
90
120
150
180
0.25
0.5
0.75
1
4054L G03
1.25
VCC = 5V
RPROG = 1k
TA = 25°C
PROG Pin Voltage vs Temperature
(Constant Current Mode)
Charge Current
vs PROG Pin Voltage
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