参数资料
型号: ADP3300ART-3.2-RL
厂商: Analog Devices Inc
文件页数: 8/9页
文件大小: 0K
描述: IC REG LDO 3.2V 50MA SOT23-6
标准包装: 1
系列: anyCAP®
稳压器拓扑结构: 正,固定式
输出电压: 3.2V
输入电压: 最高 12V
电压 - 压降(标准): 0.08V @ 50mA
稳压器数量: 1
电流 - 输出: 50mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-6
供应商设备封装: SOT-23-6
包装: 标准包装
其它名称: ADP3300ART-3.2-RLDKR
ADP3300
Constant Dropout Post Regulator
The circuit in Figure 6 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 15 mW. The ADP3000 used in this circuit is a switching
regulator in the step-up configuration.
L1
6.8 H
D1
1N5817
ADP3300-5
V IN = 2.5V TO 3.5V
IN
OUT
5V @ 50mA
C1
100 F
10V
R1
120
C2
100 F
10V
R2
30.1k
SD
GND
C3
2.2 F
I LIM
V IN
SW1
1%
ADP3000-ADJ
Q1
2N3906
Q2
2N3906
GND
SW2
FB
R3
124k
1%
R4
274k
Figure 6. Constant Dropout Post Regulator
–8 –
REV. C
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