Datasheet > ADP3303AR-27

ADP3303AR-27

更新时间： 2022-11-25 18:37:48

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
8页	129K
描述
High Accuracy anyCAP⑩ 200 mA Low Dropout Linear Regulator

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数据手册

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ADP3303AR-27 数据手册

ADP3303

MJE253*

= 6V TO 8V

= 5V @ 1A

OUT

= 5.5V TO 12V

= 5V/3.3V

OUT

50⍀

47␮F

ADP3303-5.0

OUTPUT SELECT

GND

OUT

10␮F

ADP3303-5

OUT

1.0␮F

0.47␮F

ADP3303-3.3

ERR

GND

*AAVID531002 HEATSINK IS USED

Figure 24. High Output Current Linear Regulator

Figure 23. Crossover Switch

Higher Output Current

Constant Dropout Post Regulator

The circuit in Figure 25 provides high precision with low drop-

out for any regulated output voltage. It significantly reduces the

ripple from a switching regulator while providing a constant

dropout voltage, which limits the power dissipation of the LDO

to 60 mW. The ADP3000 used in this circuit is a switching

regulator in the step-up configuration.

The ADP3303 can source up to 200 mA without any heatsink

or pass transistor. If higher current is needed, an appropriate

pass transistor can be used, as in Figure 24, to increase the

output current to 1 A.

1N5817

6.8␮H

ADP3303-3.3

3.3V @ 160mA

= 2.5V TO 3.5V

OUT

100␮F

10V

100␮F

10V

GND

2.2␮F

120⍀

30.1k⍀

LIM

SW1

2N3906

ADP3000-ADJ

GND

SW2

274k⍀

124k⍀

Figure 25. Constant Dropout Post Regulator

OUTLINE DIMENSIONS

Dimensions shown in inches and (mm).

8-Lead Small Outline IC

(SO-8)

0.1968 (5.00)

0.1890 (4.80)

0.1574 (4.00)

0.1497 (3.80)

0.2440 (6.20)

0.2284 (5.80)

PIN 1

0.0688 (1.75)

0.0532 (1.35)

0.0196 (0.50)

0.0099 (0.25)

x 45°

0.0098 (0.25)

0.0040 (0.10)

8°

0°

0.0500

(1.27)

BSC

0.0192 (0.49)

0.0138 (0.35)

SEATING

PLANE

0.0098 (0.25)

0.0075 (0.19)

0.0500 (1.27)

0.0160 (0.41)

–8–

REV. A

1...5 6 78

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ADP3303AR-3.2	ADI	Positive Fixed Voltage Regulator	获取价格
ADP3303AR-3.2	ROCHESTER	3.2 V FIXED POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO8, SOIC-8	获取价格
ADP3303AR-3.2-REEL	ADI	3.2V FIXED POSITIVE LDO REGULATOR, 0.4V DROPOUT, PDSO8, SOIC-8	获取价格
ADP3303AR-3.3	ROCHESTER	3.3 V FIXED POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO8, SOIC-8	获取价格