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參數資料
| 型號： | LTC4063 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 熱敏電阻 |
| 英文描述： | Standalone Linear Li-lon Battery Charger with Thermistor Input |
| 中文描述： | 獨立線性鋰離子電池充電器熱敏電阻輸入 |
| 文件頁數： | 3/20頁 |
| 文件大小： | 665K |
| 代理商： | LTC4063 |
LTC4061
3
4061fa
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 5V, unless otherwise noted.
The
●
denotes the specifications which apply over the full operating
SYMBOL
V
UT
I
DETECT
Δ
V
RECHRG
t
SS
t
TERM
t
RECHRG
t
TIMER
R
C
/
5
V
C
/
5
V
NTC-HOT
V
NTC-COLD
V
NTC-DIS
f
C
H
R
G
T
LIM
R
ON
PARAMETER
User Termination Mode Threshold
Voltage
Charge Current Detection Threshold
Recharge Threshold Voltage
Soft-Start Time
Termination Comparator Filter Time
Recharge Comparator Filter Time
Charge Cycle Time
C
/5 Pin Pull-Down Resistor
C
/5 Input Threshold Voltage
NTC Pin Hot Threshold Voltage
NTC Pin Cold Threshold Voltage
NTC Pin Disable Threshold Voltage
NTC Fault Pulsing Frequency
Junction Temperature in Constant
Temperature Mode
Power FET “ON” Resistance
(Between V
CC
and BAT)
CONDITIONS
V
TIMER
from Low to High
Hysteresis
R
DET
= 1k, 0 ≤ T
A
≤ 85°C
R
DET
= 2k, 0 ≤ T
A
≤ 85°C
R
DET
= 10k, 0 ≤ T
A
≤ 85°C
R
DET
= 20k, 0 ≤ T
A
≤ 85°C
V
FLOAT
– V
RECHRG,
0 ≤ T
A
≤ 85°C
I
BAT
from 0 to I
CHRG
Current Termination Mode
C
TIMER
= 0.1μF
C
/
5 Rising, 4.3V < V
CC
< 8V
Hysteresis
V
NTC
Falling
V
NTC
Rising
V
NTC
Rising
V
NTC
Falling
V
NTC
Falling
Hysteresis
Current/User Termination Mode
Time Termination Mode C
TIMER
= 0.1μF
MIN
3.9
90
45
8
3.8
65
0.8
3
2.55
2
0.4
70
1
TYP
4.2
50
100
50
10
5
100
100
1.5
7
3
3.4
0.7
70
MAX
110
55
12
6.2
135
2.5
14
3.45
5
1
100
2
UNITS
V
mV
mA
mA
mA
mA
mV
μs
ms
ms
hr
M
Ω
●
V
mV
0.35 V
CC
0.36 V
CC
0.76 V
CC
0.75 V
CC
85
50
1.5
1.5
105
V
V
V
V
mV
mV
Hz
Hz
°C
V
BAT
= 3.85V, I
CC
= 175mA, R
PROG
= 2k
375
m
Ω
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2:
The LTC4061 is guaranteed to meet performance specifications
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:
Failure to correctly solder the exposed pad of the package to the
PC board will result in a thermal resistance much higher than 40°C/W.
Note 4:
Supply current includes PROG pin current and I
DET
pin current
(approximately 100μA each) but does not include any current delivered to
the battery through the BAT pin (approximately 100mA).
Note 5:
This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions.
Overtemperature protection will become active at a junction temperature
greater than the maximum operating temperature. Continuous operation
above the specified maximum operating junction temperature may impair
device reliability.
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