參數(shù)資料
型號: ADP3303AARU-REEL
廠商: ANALOG DEVICES INC
元件分類: 基準電壓源/電流源
英文描述: High Accuracy anyCAP⑩ Adjustable 200 mA Low Dropout Linear Regulator
中文描述: 2.2 V-10 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO14
封裝: THERAMALLY ENHANCED, TSSOP-14
文件頁數(shù): 8/8頁
文件大?。?/td> 135K
代理商: ADP3303AARU-REEL
ADP3303A
–8–
REV. A
C
P
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
14-Lead Thin Shrink Small Outline Package (TSSOP)
(RU-14)
14
8
7
1
0.201 (5.10)
0.193 (4.90)
0.256 (6.50)
0.246 (6.25)
0.177 (4.50)
0.169 (4.30)
PIN 1
SEATING
PLANE
0.006 (0.15)
0.002 (0.05)
0.0118 (0.30)
0.0075 (0.19)
(0.65)
BSC
0.0433
(1.10)
0.0079 (0.20)
0.0035 (0.090)
0.028 (0.70)
0.020 (0.50)
D1
1N5817
C2
100
m
F
10V
L1
6.8
m
H
R1
V
ADP3303A
IN
SD
OUT
GND
C3
2.2
m
F
3.3V @ 160mA
C1
100
m
F
10V
ADP3000-ADJ
I
LIM
V
IN
SW1
GND
SW2
FB
V
IN
= 2.5V TO 3.5V
R2
30.1k
V
1%
2N3Q1
Q2
R4
274k
V
R3
124k
V
1%
FB
R5
121k
V
R6
68.1k
V
Figure 25. Constant Dropout Post Regulator
BOTTOM OF THE BOARD
10mm
1
10mm
TOP OF THE BOARD
DRAWINGS NOT TO SCALE
Figure 22. ADP3303A (TSSOP-14) Recommended Board
Layout
ADP3303A
OUT
IN
GND
OUTPUT SELECT
5V
0V
C1
1.0
m
F
C2
1.0
m
F
V
OUT
= 5V/3V
V
IN
= 5.5V TO 12V
SD
187k
V
57.6k
V
FB
110k
V
73.2k
V
ADP3303A
OUT
IN
GND
SD
FB
Figure 23. Crossover Switch
V
IN
= 6V TO 8V
V
OUT
= 5V @ 1A
MJE253*
C2
10
m
F
C1
47
m
F
R1
50
V
*AAVOD531002 HEAT SINK IS USED
IN
OUT
ERR
GND
SD
ADP3303A
FB
187k
V
57.6k
V
Figure 24. High Output Current Linear Regulator
Higher Output Current
The ADP3303A 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.
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.
相關PDF資料
PDF描述
ADP3303AR-3.2 THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
ADP3303AR-3.3 THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
ADP3303AR-2.7 THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
ADP3303AR-27 RECTIFIER SCHOTTKY DUAL 40A 30V 375A-ifsm 0.58V-vf 1mA-ir TO-3P 30/TUBE
ADP3303AR-3 RECTIFIER SCHOTTKY DUAL 40A 35V 375A-ifsm 0.58V-vf 1mA-ir TO-3P 30/TUBE
相關代理商/技術參數(shù)
參數(shù)描述
ADP3303AARU-REEL7 制造商:Analog Devices 功能描述:
ADP3303AR-2.7 制造商:Analog Devices 功能描述:LDO Regulator Pos 2.7V 0.3A 8-Pin SOIC N 制造商:Rochester Electronics LLC 功能描述:HI ACCURACY LOW DROPOUT LINEAR REGULATOR - Bulk
ADP3303AR-2.7-REEL 制造商:Analog Devices 功能描述:LDO Regulator Pos 2.7V 0.3A 8-Pin SOIC N T/R
ADP3303AR-2.7RL 制造商:Rochester Electronics LLC 功能描述:- Bulk
ADP3303AR-27 制造商:AD 制造商全稱:Analog Devices 功能描述:High Accuracy anyCAP⑩ 200 mA Low Dropout Linear Regulator