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參數(shù)資料
| 型號： | S-81211 |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | 1.1V±2.4% High-Precision Three-Terminal Positive Voltage Regulator(輸出電壓1.1V±2.4%，高精度三端（輸入端，輸出端，接地端）正電壓穩(wěn)壓器) |
| 中文描述： | 1.1V的± 2.4％高精度三端穩(wěn)壓器（輸出電壓1.1V的± 2.4％，高精度三端（輸入端，輸出端，接地端）正電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 19/33頁 |
| 文件大?。?/td> | 337K |
| 代理商： | S-81211 |
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HIGH-PRECISION VOLTAGE REGULATOR
S-812XXSG Series
18
Seiko Instruments Inc.
2.
Circuits for increasing output voltage
3.
Constant current regulator
4.
Dual supply
If the output voltage you need cannot be found in our
product line-up, the designs in Figures 14 or 15 will
increase output voltages easily.
V
OUT
=Vxx
1
1
2
1
2
2
1
R
R
Iss R
Vxx
R
R
Because of its low current consumption, the
S-812XXSG Series can set the resistor values, and R
1
and R
2
high to lower the power consumption of whole
systems.
Current flows to the Zener diode (Di) through the
quiescent current (I
) of the S-812XXSG Series, and
the GND terminal rises for the voltage of DI.
When Di cannot drive with a quiescent current, the
added resistance R increases the current flowing
through DI.
GND
V
OUT
I
SS
R
2
R
1
V
OUT
V
IN
V
IN
V
XX
S-812XXSG
Series
Figure 14
Di
GND
R
I
SS
V
OUT
V
OUT
V
IN
V
IN
S-812XXSG
Series
Figure 15
The S-812XXSG Series can be used as a constant-
current regulator within allowable dissipation limits.
I
OUT
=
V
XX
R
A
+ I
SS
I
OUT
R
L
GND
V
XX
GND
I
SS
R
A
V
OUT
V
IN
V
IN
S-812XXSG
Series
Figure 16 Constant current regulator
A dual supply can be formed using the S-812XXSG
Series.
Figure 17 shows a circuit example for receiving two
outputs (5 V and 8 V) with the S-81230SG and the S-
81250SG. As the resistance R lets the quiescent
current of IC1 pass, R is unnecessary if the minimum
output current of IC2 is more than the IC1 quiescent
current.
V
OUT
2
GND
GND
GND
IC2
IC
V
OUT
V
OUT
+5 V
+8 V
V
OUT
1
V
IN
V
IN
R
V
IN
S-81230
SG
S-81250
SG
Figure 17 Dual power source
相關PDF資料 |
PDF描述 |
|---|---|
| S-81215 | 1.5V±2.4% High-Precision Three-Terminal Positive Voltage Regulator(輸出電壓1.5V±2.4%，高精度三端（輸入端，輸出端，接地端）正電壓穩(wěn)壓器) |
| S-81217 | 1.7V±2.4% High-Precision Three-Terminal Positive Voltage Regulator(輸出電壓1.7V±2.4%，高精度三端（輸入端，輸出端，接地端）正電壓穩(wěn)壓器) |
| S-81218 | 1.8V±2.4% High-Precision Three-Terminal Positive Voltage Regulator(輸出電壓1.8V±2.4%，高精度三端（輸入端，輸出端，接地端）正電壓穩(wěn)壓器) |
| S-81224 | 2.4V±2.4% High-Precision Three-Terminal Positive Voltage Regulator(輸出電壓2.4V±2.4%，高精度三端（輸入端，輸出端，接地端）正電壓穩(wěn)壓器) |
| S-81225 | 2.5V±2.4% High-Precision Three-Terminal Positive Voltage Regulator(輸出電壓2.5V±2.4%，高精度三端（輸入端，輸出端，接地端）正電壓穩(wěn)壓器) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| S-81211SG | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:HIGH-PRECISION VOLTAGE REGULATOR |
| S8121-46R | 功能描述:安裝硬件 SMT EZCABLE CLIP FOR 1.50-2.00MM CABLE RoHS:否 制造商:Harwin 類型:SMT Cable Clip 材料:Phosphor Bronze 安裝孔大小: 長度:5 mm 外徑: 內徑: 厚度: 電鍍:Tin 螺紋大小: |
| S8121-46R | 制造商:Harwin 功能描述:SMT Cable Clip |
| S-81215SG | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:HIGH-PRECISION VOLTAGE REGULATOR |
| S-81215SG-QK-T1 | 功能描述:線性穩(wěn)壓器 - 標準 SOT-23-5 1.5V 1.2uA RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節(jié): 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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