參數(shù)資料
型號(hào): LTC1730EGN-4
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Lithium-Ion Battery Pulse Charger with Overcurrent Protection
中文描述: BATTERY CHARGE CONTROLLER, PDSO16
封裝: 0.150 INCH, PLASTIC, SSOP-16
文件頁(yè)數(shù): 3/12頁(yè)
文件大?。?/td> 157K
代理商: LTC1730EGN-4
LTC1730-4/LTC1730-4.2
3
1730f
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The LTC1730-4/LTC1730-4.2 are guaranteed to meet performance
specifications from 0
°
C to 70
°
C. Specifications over the –40
°
C to 85
°
C
SYMBOL
I
CHRG
T
TIMER
V
GATE
PARAMETER
CHRG Pin Pull-Down Current
TIMER Accuracy
GATE Pin Voltage
CONDITIONS
V
CHRG
= 1V, C/10 Mode
C
TIMER
= 0.1
μ
F
V
BAT
= 3V
V
BAT
= 4V
MIN
10
TYP
40
MAX
70
10
UNITS
μ
A
%
V
V
°
C
°
C
mV
7.5
10
140
5
150
T
SHDN
T
SHDN
V
RECHRG
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Recharge Battery Voltage Offset from
Full Charged Battery Voltage
NTC/SHDN Pin Threshold Voltage (Hot)
V
BAT(Full Charged)
– V
RECHRG
(Note 3)
V
NTC_HOT
High to Low; V
CC
= 4V
Hysteresis
Low to High; V
CC
= 4V
Hysteresis
LTC173ECGN-4
LTC1730EGN-4, I
ACPR
= 5mA
LTC1730EGN-4, I
FAULT
= 3mA
I
CHRG
= 5mA, Charging Mode
G
1.95
2
2.05
V
50
3.5
45
0.7
mV
V
NTC_COLD
NTC/SHDN Pin Threshold Voltage (Cold)
G
3.4
3.6
V
mV
V
SEL
V
ACPR
V
FAULT
V
CHRG
SEL Pin Threshold
ACPR Pin Output Low Voltage
FAULT Pin Output Low Voltage
CHRG Pin Output Low Voltage
V
V
V
V
0.6
1.2
0.9
The
G
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 6V unless otherwise noted.
DC ELECTRICAL CHARACTERISTICS
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
Note 3:
For the LTC1730-4 version, the full charged V
BAT
value is
typically 4.1V.
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