參數(shù)資料
型號: LTC1992
廠商: Linear Technology Corporation
英文描述: 2.5uA, 1% Accurate SOT-23 Comparator and Voltage Reference for Battery Monitoring
中文描述: 2.5uA,1%精度,采用SOT - 23比較器和電池電壓參考監(jiān)測
文件頁數(shù): 3/8頁
文件大小: 143K
代理商: LTC1992
LTC1998
3
1998f
TYPICAL PERFOR U
THRESHOLD ADJUST VOLTAGE (V)
0
T
3.5
3.0
2.5
1998 G03
0.5
1.0
1.5
LOW BATTERY THRESHOLD VOLTAGE (V)
2.5
A
750
500
250
0
1998 G04
2.75
3.0
3.25
Quiescent Supply Current vs
Supply Voltage
Quiescent Supply Current vs
Temperature
Threshold Voltage vs Threshold
Adjust Voltage
Available Hysteresis vs
Threshold Voltage
Threshold Voltage Error vs
Temperature
Input Current vs Temperature
SUPPLY VOLTAGE (V)
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
S
μ
A
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1998 G01
T
A
= 25
°
C
V
LOGIC
= V
BATT
V
TH.A
= 0V
V
TH.A
= 1.5V
TEMPERATURE (
°
C)
–50
–30
–10
10
30
50
70
90
S
μ
A
1998 G02
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V
BATT
= V
LOGIC
= 3V
V
TH.A
= 1.5V
TEMPERATURE (
°
C)
–45
15
55
1998
G05
–25
–5
35
75
95
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
%
V
SET BY 1%
EXTERNAL R,
THRESHOLD = 3V
V
=
1V
THRESHOLD = 3V
V
SHORTED
TO GROUND,
THRESHOLD = 2.5V
TEMPERATURE (
°
C)
35
0.1
I
T
,
H
1
100
1000
10000
55
75
85
125
1998 G06
10
45
65
95 105 115
V
IN
= 1.5V
V
IN
= 0.5V
V
IN
= 1V
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
Maximum allowable hysteresis depends on desired trip voltages.
See application notes for details.
Note 3:
LTC1998C and LTC1998I are guaranteed functional over the
operating temperature range of –40
°
C to 85
°
C.
Note 4:
The LTC1998C is guaranteed to meet specified performance from
0
°
C to 70
°
C. The LTC1998C is designed, characterized and expected to
meet specified performance from –40
°
C to 85
°
C but is not tested or QA
sampled at these temperatures. The LTC1998I is guaranteed to meet
specified performance from –40
°
C to 85
°
C.
Note 5:
This parameter is not 100% tested.
ELECTRICAL CHARACTERISTICS
相關PDF資料
PDF描述
LTC1998IS6 2.5uA, 1% Accurate SOT-23 Comparator and Voltage Reference for Battery Monitoring
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