參數資料
型號: LTC4064EMSE
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: Monolithic Linear Charger for Back-Up Li-Ion Batteries
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數: 3/16頁
文件大小: 174K
代理商: LTC4064EMSE
LTC4064
3
4064f
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The Absolute Maximum BAT Current Rating of 1.3A is guaranteed
by design and current density calculations. The Absolute Maximum PROG
Current Rating is guaranteed to be 1/1000 of BAT current rating by design.
Note 3:
The LTC4064 is guaranteed to meet performance specifications
from 0
°
C to 70
°
C. Specifications over the –40
°
C to 85
°
C operating
SYMBOL
V
PROG
I
CHRG
V
CHRG
V
ACPR
V
FAULT
I
C/10
t
TIMER
V
RECHRG
PARAMETER
PROG Pin Voltage
CHRG Pin Weak Pulldown Current
CHRG Pin Output Low Voltage
ACPR Pin Output Low Voltage
FAULT Pin Output Low Voltage
End of Charge Indication Current Level
TIMER Accuracy
Recharge Threshold Voltage
CONDITIONS
R
PROG
= 3k, I
PROG
= 500
μ
A
V
CHRG
= 1V
I
CHRG
= 5mA
I
ACPR
= 5mA
I
FAULT
= 5mA
R
PROG
= 3k
C
TIMER
= 0.1
μ
F
V
FLOAT
- V
RECHRG
, V
BAT
> V
TRIKL
Charge Termination Timer Expired
V
NTC
Falling
MIN
TYP
1.5
30
0.35
0.35
0.35
50
10
100
MAX
UNITS
V
15
50
0.6
0.6
0.6
56
μ
A
V
V
V
mA
%
mV
44
G
65
135
V
NTC-HOT
V
HOT-HYS
V
NTC-COLD
V
COLD-HYS
V
NTC-DIS
V
DIS-HYS
T
LIM
NTC Pin Hot Threshold Voltage
NTC Pin Hot Hysteresis Voltage
NTC Pin Cold Threshold Voltage
NTC Pin Cold Hystersis Voltage
NTC Pin Disable Threshold Voltage
NTC Pin Disable Hystersis Voltage
Junction Temperature in
Constant-Temperature Mode
Power MOSFET “ON” Resistance
2.5
80
4.375
80
100
10
105
V
mV
V
NTC
Rising
V
mV
mV
mV
°
C
V
NTC
Rising
R
ON
375
m
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 4:
Failure to solder the exposed backside of the package to the PC
board will result in a thermal resistance much higher than 40
°
C/W.
Note 5:
Supply current includes PROG pin current (approximately 50
μ
A)
but does not include any current delivered to the battery through the BAT
pin (approximately 50mA).
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V
The
G
denotes the specifications which apply over the full operating
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