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参数资料
| 型号： | LT1790BCS6-2.5 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 2.5V Micropower SOT-23 Low Dropout Reference |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO6 |
| 封装： | PLASTIC, SOT-23, 6 PIN |
| 文件页数： | 3/8页 |
| 文件大小： | 172K |
| 代理商： | LT1790BCS6-2.5 |
3
LT1790-2.5
Note 5:
Temperature coefficient is measured by dividing the change in
output voltage by the specified temperature range. Incremental slope is
also measured at 25
°
C.
Note 6:
Load regulation is measured on a pulse basis from no load to the
specified load current. Output changes due to die temperature change
must be taken into account separately.
Note 7:
Excludes load regulation errors.
Note 8:
Peak-to-peak noise is measured with a single pole highpass filter
at 0.1Hz and a 2-pole lowpass filter at 10Hz. The unit is enclosed in a still
air environment to eliminate thermocouple effects on the leads. The test
time is 10 seconds. RMS noise is measured with a single pole highpass
filter at 10Hz and a 2-pole lowpass filter at 1kHz. The resulting output is
full-wave rectified and then integrated for a fixed period, making the final
reading an average as opposed to RMS. A correction factor of 1.1 is used
to convert from average to RMS and a second correction of 0.88 is used to
correct for the nonideal bandpass of the filters.
Note 9:
Long-term drift typically has a logarithmic characteristic and
therefore changes after 1000 hours tend to be smaller than before that
time. Total drift in the second thousand hours is normally less than one
third that to the first thousand hours with a continuing trend toward
reduced drift with time. Long-term drift is affected by differential stress
between the IC and the board material created during board assembly. See
Applications Information.
Note 10:
Hysteresis in the 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 to 85
°
C or –40
°
C before a successive measurements. Hysteresis is
roughly proportional to the square of the temperature change. Hysteresis
is not normally a problem for operational temperature excursions where
the instrument might be stored at high or low temperature. See
Applications Information.
ELECTRICAL CHARACTERISTICS
Output Voltage Temperature Drift
Load Regulation (Sourcing)
Minimum Input-Output Voltage
Differential (Sourcing) Series Mode
Minimum Input-Output Voltage
Differential (Sinking) Series Mode
TEMPERATURE (
°
C)
–50
O
30
70
1790 G13
–30 –10
50
90 110
2.508
2.506
2.504
2.502
2.500
2.498
2.496
2.494
10
130
FOUR TYPICAL PARTS
INPUT-OUTPUT VOLTAGE (V)
0
0.1
0.2
0.1
O
1
10
0.3
0.4
0.5
0.6
1790 G14
T
A
= –55
°
C
T
A
= 125
°
C
T
A
= 25
°
C
TEMPERATURE (
°
C)
–50
–30
V
–10
30
50
70
–10
30
50
130
1790 G15
10
–30
10
70
90 110
90
100
μ
A
5mA
1mA
OUTPUT CURRENT (mA)
O
0
–1
–2
1790 616
–5
–3
–4
10
0.1
1
T
A
= –55
°
C
T
A
= 25
°
C
T
A
= 125
°
C
Load Regulation (Sinking)
OUTPUT CURRENT (mA)
O
5
4
3
1790 617
0
2
1
10
0.1
1
T
A
= –55
°
C
T
A
= 25
°
C
T
A
= 125
°
C
Supply Current vs Input Voltage
INPUT VOLTAGE (V)
0
S
μ
A
40
50
60
20
1790 G18
30
20
0
5
10
15
10
80
70
T
A
= –55
°
C
T
A
= 25
°
C
T
A
= 125
°
C
TYPICAL PERFOR U
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相关代理商/技术参数 |
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| LT1790BCS6-3 | 制造商:Linear Technology 功能描述:V-Ref Precision 3V 6-Pin TSOT-23 |
| LT1790BCS6-3#PBF | 制造商:Linear Technology 功能描述:IC LDO SERIES V-REF 3V 0.1% 6-SOT-23 制造商:Linear Technology 功能描述:IC, LDO SERIES V-REF, 3V, 0.1%, 6-SOT-23 制造商:Linear Technology 功能描述:IC, LDO SERIES V-REF, 3V, 0.1%, 6-SOT-23; Topology:Series; Input Voltage Min:3.5V; Input Voltage Max:18V; Reference Voltage:3V; Reference Voltage Tolerance:8.25mV; Voltage Reference Case Style:SOT-23; No. of Pins:6; Output Voltage:3V;RoHS Compliant: Yes |
| LT1790BCS6-3#TR | 功能描述:IC VREF SERIES 3V SOT-23-6 RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 产品培训模块:Voltage Reference Basics 标准包装:100 系列:- 基准类型:旁路，精度 输出电压:4.096V 容差:±0.075% 温度系数:50ppm/°C 输入电压:- 通道数:1 电流 - 阴极:1µA 电流 - 静态:- 电流 - 输出:10mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 |
| LT1790BCS6-3#TRM | 功能描述:IC VREF SERIES 3V SOT-23-6 RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 产品培训模块:Voltage Reference Basics 标准包装:100 系列:- 基准类型:旁路，精度 输出电压:4.096V 容差:±0.075% 温度系数:50ppm/°C 输入电压:- 通道数:1 电流 - 阴极:1µA 电流 - 静态:- 电流 - 输出:10mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 |
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