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參數(shù)資料
| 型號： | LTC1258CS8-4.1#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 4.096 V, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 141K |
| 代理商： | LTC1258CS8-4.1#PBF |
LTC1258 Series
4
1258sfb
Note 4: ESD (electrostatic discharge) sensitive device. Extensive use of
ESD protection devices are used internal to the LTC1258, however, high
electrostatic discharge can damage or degrade the device. Use proper ESD
handling precautions.
Note 5: Peak-to-peak noise is measured with a single pole highpass lter
at 0.1Hz and 2-pole lowpass lter at 10Hz.
Note 6: Temperature coefcient is the change in output voltage divided by
the nominal output voltage divided by the specied temperature range.
Note 7: Load regulation is measured on a pulse basis from no load to the
specied load current. Output changes due to die temperature change
must be taken into account separately.
Note 8: Dropout voltage is (VIN – VOUT) when VOUT falls to 0.1% below its
nominal value at VIN = VOUT + 0.5V.
Note 9: Hysteresis in output voltage is created by package stress that
differs depending on whether the IC was previously at a higher or lower
temperature. Output voltage is always measured at 25°C, but the IC is
cycled hot or cold before successive measurements. Hysteresis is not
normally a problem for operational temperature excursions where the
instrument might be stored at high or low temperature.
ELECTRICAL CHARACTERISTICS
TYPICAL PERFORMANCE CHARACTERISTICS
LTC1258-2.5* Dropout Voltage vs
Output Source Current
LTC1258-2.5* Input Current vs
Temperature
LTC1258 Series Output Short-
Circuit Current vs Temperature
LTC1258-2.5* Output Short-
Circuit vs Input Voltage
LTC1258-2.5* Output Short-
Circuit Current vs Input Voltage
LTC1258 Series Load Regulation
OUTPUT SOURCE CURRENT (mA)
DROPOUT
VOLTAGE
(mV)
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1258 G01
0.1
TA = 25 C
TEMPERATURE (°C)
–50 –25
INPUT
CURRENT
(μA)
150
1258 G02
025
50
75
100 125
8
7
6
5
4
3
2
1
0
VIN = 2.7V
TEMPERATURE (°C)
–50 –25
OUTPUT
SHORT-CIRCUIT
CURRENT
(mA)
150
1258 G03
025
50
75
100 125
70
60
50
40
30
20
10
5
0
TA = 25°C
VIN = VOUT(NOM) + 0.2V
OUTPUT
SHORTED
TO VIN
OUTPUT
SHORTED
TO GND
INPUT VOLTAGE (V)
2
OUTPUT
SHORT-CIRCUIT
CURRENT
(mA)
25
20
15
10
5
0
4
68
10
1258-G04
12
14
TA = 25°C
OUTPUT SHORTED
TO VIN
INPUT VOLTAGE (V)
2
OUTPUT
SHORT-CIRCUIT
CURRENT
(mA)
42
41
4
68
10
1258-G05
12
14
TA = 25°C
OUTPUT SHORTED
TO GND
OUTPUT CURRENT (mA)
V
OUT
FROM
NO
LOAD
(mV)
5
4
3
2
1
0
–1
–2
–3
–4
–5
0
1
10
100
1258 G06
0.1
TA = 25°C
VIN = VOUT(NOM) + 0.2V
SINKING
SOURCING
*Similar performance characteristics can be expected for all voltage options.
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