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ADP7182 数据表(PDF) 7 Page - Anachip Corp

部件名 ADP7182
功能描述  ??8 V, ??00 mA, Low Noise, Linear Regulator
Download  28 Pages
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制造商  ANACHIP [Anachip Corp]
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标志 ANACHIP - Anachip Corp

ADP7182 数据表(HTML) 7 Page - Anachip Corp

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Data Sheet
ADP7182
Rev. A | Page 7 of 28
3
NC
4
EN
1
VOUT
2
VOUT
6 GND
5 NC
8 VIN
7 VIN
ADP7182
TOP VIEW
(Not to Scale)
EXPOSED PAD
NOTES
1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.
2. THE EXPOSED PAD ON THE BOTTOM OF THE LFCSP PACKAGE ENHANCES
THERMAL PERFORMANCE AND IS ELECTRICALLY CONNECTED TO VIN
INSIDE THE PACKAGE. THE EXPOSED PAD MUST BE CONNECTED TO THE
VIN PLANE ON THE BOARD FOR PROPER OPERATION. BECAUSE THIS IS A
NEGATIVE VOLTAGE REGULATOR, VIN IS THE MOST NEGATIVE POTENTIAL
IN THE CIRCUIT.
Figure 5. 8-Lead LFCSP Pin Configuration, Fixed Output Voltage
3
ADJ
4
EN
1
VOUT
2
VOUT
6 GND
5 NC
8 VIN
7 VIN
ADP7182
TOP VIEW
(Not to Scale)
EXPOSED PAD
NOTES
1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.
2. THE EXPOSED PAD ON THE BOTTOM OF THE LFCSP PACKAGE ENHANCES
THERMAL PERFORMANCE AND IS ELECTRICALLY CONNECTED TO VIN
INSIDE THE PACKAGE. THE EXPOSED PAD MUST BE CONNECTED TO THE
VIN PLANE ON THE BOARD FOR PROPER OPERATION. BECAUSE THIS IS A
NEGATIVE VOLTAGE REGULATOR, VIN IS THE MOST NEGATIVE POTENTIAL
IN THE CIRCUIT.
Figure 6. 8-Lead LFCSP Pin Configuration, Adjustable Output Voltage
Table 6. 8-Lead LFCSP Pin Function Descriptions
LFCSP Pin No.
Fixed Output Voltage
Adjustable Output Voltage
Mnemonic
Description
1, 2
1, 2
VOUT
Regulated Output Voltage. Bypass VOUT to GND with a 2.2 µF or
greater capacitor.
Not applicable
3
ADJ
Adjustable Input. An external resistor divider sets the output voltage.
3
Not applicable
NC
No Connect. Do not connect to this pin.
4
4
EN
Drive EN 2 V above or below ground to enable the regulator, or
drive EN to ground to turn off the regulator. For automatic startup,
connect EN to VIN.
5
5
NC
No Connect. Do not connect to this pin.
6
6
GND
Ground.
7, 8
7, 8
VIN
Regulator Input Supply. Bypass VIN to GND with a 2.2 µF or greater
capacitor.
9
9
EPAD
Exposed pad. The exposed pad on the bottom of the LFCSP package
enhances thermal performance and is electrically connected to VIN
inside the package. The exposed pad must be connected to the VIN
plane on the board for proper operation. Because this is a negative
voltage regulator, VIN is the most negative potential in the circuit.


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