參數(shù)資料
型號: LTC1731
廠商: Linear Technology Corporation
英文描述: 150mA Standalone Linear Li-Ion Battery Charger in ThinSOT
中文描述: 150mA的獨立線性鋰離子電池充電器采用ThinSOT
文件頁數(shù): 3/16頁
文件大?。?/td> 191K
代理商: LTC1731
3
LTC4054L-4.2
4054l42f
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL
T
LIM
PARAMETER
Junction Temperature in Constant
Temperature Mode
Power FET “ON” Resistance
(Between V
CC
and BAT)
Soft-Start Time
Recharge Comparator Filter Time
Termination Comparator Filter Time
PROG Pin Pull-Up Current
CONDITIONS
MIN
TYP
120
MAX
UNITS
°
C
R
ON
1.5
t
SS
t
RECHARGE
t
TERM
I
PROG
I
BAT
= 0 to I
BAT
=150V/R
PROG
V
BAT
High to Low
I
BAT
Drops Below I
CHG
/10
100
2
1000
3
μ
s
ms
μ
s
μ
A
0.75
400
1.5
4.5
2500
5
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:
I
TERM
is expressed as a fraction of measured full charge current
with indicated PROG resistor.
TYPICAL PERFOR U
PROG Pin Voltage vs Supply
Voltage (Constant Current Mode)
V
CC
(V)
4
V
P
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
V
CC
= 5V
V
BAT
= 4V
T
A
= 25
°
C
R
PROG
= 1k
R
PROG
= 15k
TEMPERATURE (
°
C)
–50
V
P
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
V
CC
= 5V
V
BAT
= 4V
R
PROG
= 1k
V
PROG
(V)
0
0
I
B
30
60
90
120
150
180
0.25
0.5
0.75
1
4054L G03
1.25
V
CC
= 5V
R
PROG
= 1k
T
A
°
C
PROG Pin Voltage vs Temperature
(Constant Current Mode)
Charge Current
vs PROG Pin Voltage
相關(guān)PDF資料
PDF描述
LTC1732 150mA Standalone Linear Li-Ion Battery Charger in ThinSOT
LTC1732-8.4 Lithium-Ion Linear Battery Charger Controller
LTC1732EMS-8.4 Lithium-Ion Linear Battery Charger Controller
LTC1731-4.1 Lithium-Ion Linear Battery Charger Controller
LTC1731EMS8-4.2 Lithium-Ion Linear Battery Charger Controller
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