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| 型号： | ADP322ACPZ-189-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 6/24页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.5/1.8/1.2V 16LFCSP |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.5V，1.8V，1.2V |
| 输入电压： | 1.8 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.11V @ 200mA，-，- |
| 稳压器数量： | 3 |
| 电流 - 输出： | 200mA（最小值） |
| 电流 - 限制（最小）： | 250mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 16-LFCSP-WQ（3x3） |
| 包装： | 标准包装 |
| 其它名称： | ADP322ACPZ-189-R7DKR |
ADP322/ADP323
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Data Sheet
EN1 1
12 GND
VBIAS 2
VIN1/VIN2 3
ADP322
11 NC
10 VIN3
NOTES
NC 4
TOP VIEW
(Not to Scale)
9
NC
1. NC = NO CONNECT.
2. CONNECT EXPOSED PAD TO GROUND PLANE.
Figure 3. ADP322 Pin Configuration
Table 5. ADP322 Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Mnemonic
EN1
VBIAS
VIN1/VIN2
NC
VOUT1
VOUT2
NC
VOUT3
NC
VIN3
NC
GND
NC
NC
EN3
EN2
EP
Description
Enable Input for Regulator 1. Drive EN1 high to turn on Regulator 1; drive it low to turn off Regulator 1. For
automatic startup, connect EN1 to VBIAS.
Input Voltage Bias Supply. Bypass VBIAS to GND with a 1 μF or greater capacitor.
Regulator Input Supply for Output Voltage 1 and Output Voltage 2. Bypass VIN1/VIN2 to GND with a 1 μF or
greater capacitor.
Not connected internally.
Regulated Output Voltage 1. Connect a 1 μF or greater output capacitor between VOUT1 and GND.
Regulated Output Voltage 2. Connect a 1 μF or greater output capacitor between VOUT2 and GND.
Not connected internally.
Regulated Output Voltage 3. Connect a 1 μF or greater output capacitor between VOUT3 and GND.
Not connected internally.
Regulator Input Supply for Output Voltage 3. Bypass VIN3 to GND with a 1 μF or greater capacitor.
Not connected internally.
Ground Pin.
Not connected internally.
Not connected internally.
Enable Input for Regulator 3. Drive EN3 high to turn on Regulator 3; drive it low to turn off Regulator 3. For
automatic startup, connect EN3 to VBIAS.
Enable Input for Regulator 2. Drive EN3 high to turn on Regulator 2; drive it low to turn off Regulator 2. For
automatic startup, connect EN2 to VBIAS.
Exposed pad for enhanced thermal performance. Connect to copper ground plane.
Rev. A | Page 6 of 24
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