ADP320(Rev0) Просмотр технического описания (PDF) - Analog Devices

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производитель

ADP320
(Rev.:Rev0)

Triple, 200 mA, Low Noise, High PSRR Voltage Regulator

Analog Devices 

ADP320

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

EN1 1

VBIAS 2

VIN1/VIN2 3

VIN1/VIN2 4

ADP320

12 GND

11 GND

10 VIN3

9 VIN3

TOP VIEW

NOTES

(Not to Scale)

1. NC = NO CONNECT.

2. CONNECT EXPOSED PAD TO GROUND PLANE.

Figure 2. Pin Configuration

Table 5. Pin Function Descriptions

Pin No. Mnemonic Description

1

EN1

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.

2

VBIAS

Input Voltage Bias Supply. Bypass VBIAS to GND with a 1 μF or greater capacitor.

3

VIN1/VIN2 Regulator Input Supply for Output Voltage 1 and Output Voltage 2. Bypass VIN1/VIN2 to GND with a 1 μF or

greater capacitor.

4

VIN1/VIN2 Regulator Input Supply for Output Voltage 1 and Output Voltage 2. Bypass VIN1/VIN2 to GND with a 1 μF or

greater capacitor.

5

VOUT1

Regulated Output Voltage 1. Connect a 1 μF or greater output capacitor between VOUT1 and GND.

6

VOUT2

Regulated Output Voltage 2. Connect a 1 μF or greater output capacitor between VOUT2 and GND.

7

VOUT3

Regulated Output Voltage 3. Connect a 1 μF or greater output capacitor between VOUT3 and GND.

8

NC

Not connected internally.

9

VIN3

Regulator Input Supply for Output Voltage 3. Bypass VIN3 to GND with a 1 μF or greater capacitor.

10

VIN3

Regulator Input Supply for Output Voltage 3. Bypass VIN3 to GND with a 1 μF or greater capacitor.

11

GND

Ground Pin.

12

GND

Ground Pin.

13

NC

Not connected internally.

14

NC

Not connected internally.

15

EN3

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.

16

EN2

Enable Input for Regulator 2. Drive EN1 high to turn on Regulator 2; drive it low to turn off Regulator 2. For

automatic startup, connect EN2 to VBIAS.

EP

EP

Exposed pad for enhanced thermal performance. Connect to copper ground plane.

Rev. 0 | Page 6 of 20

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