參數資料
型號: ADP3301AR-5
廠商: ANALOG DEVICES INC
元件分類: 基準電壓源/電流源
英文描述: High Accuracy anyCAP⑩ 100 mA Low Dropout Linear Regulator
中文描述: 5 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO8
封裝: SOP-8
文件頁數: 7/8頁
文件大?。?/td> 125K
代理商: ADP3301AR-5
ADP3301
–7–
REV. 0
It is not recommended to use solder mask or silkscreen on the
PCB traces adjacent to the ADP3301’s pins since it will increase
the junction to ambient thermal resistance of the package.
Shutdown Mode
Applying a T T L high signal to the shutdown pin, or tying it to
the input pin, will turn the output ON. Pulling the shutdown
pin low, or tying it to ground, will turn the output OFF. In
shutdown mode, quiescent current is reduced to less than 1
μ
A.
E rror Flag Dropout Detector
T he ADP3301 will maintain its output voltage over a wide
range of load, input voltage and temperature conditions. If, for
example, regulation is lost by reducing the supply voltage below
the combined regulated output and dropout voltages, the ERRor
flag will be activated. T he ERR output is an open collector,
which will be driven low.
Once set, the ERRor flag’s hysteresis will keep the output low
until a small margin of operating range is restored either by
raising the supply voltage or reducing the load.
APPLICAT ION CIRCUIT S
Crossover Switch
T he circuit in Figure 21 shows that two ADP3301s can be used
to form a mixed supply voltage system. T he output switches
between two different levels selected by an external digital input.
Output voltages can be any combination of voltages from the
Ordering Guide.
Higher Output Current
T he ADP3301 can source up to 100 mA without any heatsink
or pass transistor. If higher current is needed, an appropriate
pass transistor can be used, as in Figure 22, to increase the
output current to 1 A.
Step-Up/Step-Down Post Regulator
T he circuit in Figure 23 provides a high precision, low dropout
regulated output voltage. It significantly reduces the ripple from
a switching regulator. T he ADP3000 used in this circuit is a
switching regulator in the step-up configuration.
D1
1N5817
C2
100μF
10V
L1
6.8μH
R1
120
R2
19.6k
1%
R3
10k
1%
ADP3301-3.3
IN
OUT
GND
C3
2.2μF
3.3V @ 100mA
C1
100μF
10V
ADP3000-ADJ
I
LIM
V
IN
SW1
GND
SW2
FB
V
IN
= 2.5V TO 3.5V
Figure 23. Step-Up/Step-Down Post Regulator
V
OUT
= 5V/3.3V
V
IN
= 5.5V TO 12V
OUTPUT SELECT
5V
0V
C2
0.47μF
IN
OUT
GND
SD
ADP3301-5.0
+
+
IN
OUT
GND
SD
ADP3301-3.3
C1
1.0μF
Figure 21. Crossover Switch
V
IN
= 6V TO 8V
V
OUT
= 5V @ 1A
MJE253*
C2
10μF
C1
47μF
R1
50
*AAVID531002 HEAT SINK IS USED
IN
OUT
ERR
GND
SD
ADP3301-5
Figure 22. High Output Current Linear Regulator
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PDF描述
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相關代理商/技術參數
參數描述
ADP3301AR-5.0 制造商:Analog Devices 功能描述:IC SEMICONDUCTOR ((NS))
ADP3301AR-5-REEL 功能描述:IC REG LDO 5V .1A 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:anyCAP® 標準包裝:1 系列:- 穩(wěn)壓器拓撲結構:正,固定式 輸出電壓:3.3V 輸入電壓:2.5 V ~ 5.5 V 電壓 - 壓降(標準):0.1V @ 200mA 穩(wěn)壓器數量:2 電流 - 輸出:300mA 電流 - 限制(最小):350mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-UFQFN 供應商設備封裝:8-MLPQ-UT(1.5x1.5) 包裝:剪切帶 (CT) 產品目錄頁面:1358 (CN2011-ZH PDF) 其它名稱:SC560HULCT
ADP3301ARZ-2.7 功能描述:IC REG LDO 2.7V .1A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:anyCAP® 產品培訓模塊:More Information on LDOs 標準包裝:50 系列:- 穩(wěn)壓器拓撲結構:正,固定式 輸出電壓:3.3V 輸入電壓:最高 15V 電壓 - 壓降(標準):1.1V @ 800mA 穩(wěn)壓器數量:1 電流 - 輸出:800mA 電流 - 限制(最?。?800mA 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-263-4,D²Pak(3 引線+接片),TO-263AA 供應商設備封裝:D2PAK-3 包裝:管件
ADP3301ARZ-3 功能描述:IC REG LDO 3V .1A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:anyCAP® 標準包裝:3,000 系列:- 穩(wěn)壓器拓撲結構:正,固定式 輸出電壓:3V 輸入電壓:最高 5.5V 電壓 - 壓降(標準):0.12V @ 150mA 穩(wěn)壓器數量:1 電流 - 輸出:150mA(最小值) 電流 - 限制(最?。?220mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型,TSOT-23-5 供應商設備封裝:TSOT-23-5 包裝:帶卷 (TR) 其它名稱:ADP160AUJZ-3.0-R7TR
ADP3301ARZ-3.2 功能描述:IC REG LDO 3.2V .1A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:anyCAP® 產品培訓模塊:More Information on LDOs 標準包裝:50 系列:- 穩(wěn)壓器拓撲結構:正,固定式 輸出電壓:3.3V 輸入電壓:最高 15V 電壓 - 壓降(標準):1.1V @ 800mA 穩(wěn)壓器數量:1 電流 - 輸出:800mA 電流 - 限制(最?。?800mA 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-263-4,D²Pak(3 引線+接片),TO-263AA 供應商設備封裝:D2PAK-3 包裝:管件