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| 型號(hào)： | S-818A21AMC-BGBT2U |
| 元件分類： | 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器 |
| 英文描述： | 2.1 V FIXED POSITIVE LDO REGULATOR, 0.87 V DROPOUT, PDSO5 |
| 封裝： | HALOGEN FREE AND LEAD FREE, SOT-23, 5 PIN |
| 文件頁數(shù)： | 3/32頁 |
| 文件大小： | 393K |
| 代理商： | S-818A21AMC-BGBT2U |
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LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0_00
S-818 Series
Seiko Instruments Inc.
11
4. Load regulation (
ΔVOUT3)
Load regulation indicates the output current dependence of output voltage. The value shows how much
the output voltage changes due to the change of the output current when the input voltage is kept
constant.
5. Dropout voltage (Vdrop)
Let VIN1 be an input voltage where the output voltage falls to the 98 % of the actual output voltage
(VOUT(E)) when gradually decreasing input voltage. The dropout voltage is the difference between the VIN1
and the resultant output voltage defined as following equation.
Vdrop=VIN1(VOUT(E)×0.98)
6. Temperature coefficient of output voltage
OUT
OUT
V
ΔTa
ΔV
The output voltage lies in the shaded area in the whole operating temperature shown in
Figure 11 when
the temperature coefficient of the output voltage is
±100 ppm/°C.
40
25
+0.28mV/°C
VOUT [V]
VOUT(E)
*1
85
Ta [
°C]
0.28mV/°C
*1. The value of the output voltage measured at 25
°C.
Figure 11 Temperature coefficient of output voltage (Ex. Typ. product for S-818A28A)
Temperature change ratio for output voltage [mV/°C] is calculated by using the following equation.
[]
[ ]
[] 1000
C
ppm/
V
Ta
Δ
V
Δ
V
C
mV/
Ta
Δ
V
Δ
OUT
OUT(S)
OUT
÷
°
×
=
°
3
*
2
*
*1
*1. Temperature change ratio for output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-818A21AUC-BGBT2G | 功能描述:低壓差穩(wěn)壓器 - LDO Linear LDO Regulator 30uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| S-818A22AMC-BGCT2G | 功能描述:低壓差穩(wěn)壓器 - LDO Linear LDO regulator 30uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| S-818A22AUC-BGCT2G | 功能描述:低壓差穩(wěn)壓器 - LDO Linear LDO Regulator 30uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| S-818A23AMC-BGDT2G | 功能描述:低壓差穩(wěn)壓器 - LDO Linear LDO regulator 30uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| S-818A23AUC-BGDT2G | 功能描述:低壓差穩(wěn)壓器 - LDO Linear LDO Regulator 30uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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