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ADP7156ACPZ-2.5-R7 数据表(PDF) 7 Page - Analog Devices

部件名 ADP7156ACPZ-2.5-R7
功能描述  High PSRR, RF Linear Regulator
Download  23 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP7156ACPZ-2.5-R7 数据表(HTML) 7 Page - Analog Devices

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ADP7156
Data Sheet
Rev. A | Page 6 of 22
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1
VOUT
NOTES
1. THE EXPOSED PAD IS LOCATED ON THE BOTTOM OF
THE PACKAGE. THE EXPOSED PAD ENHANCES THERMAL
PERFORMACE, AND IT IS ELECTRICALLY CONNECTED TO
GROUND INSIDE THE PACKAGE. CONNECT THE EXPOSED
PAD TO THE GROUND PLANE ON THE BOARD TO ENSURE
PROPER OPERATION.
2
VOUT
3
VOUT_SENSE
4
BYP
5
EN
10 VIN
9
VIN
8
VREG
7
REF
6
REF_SENSE
ADP7156
TOP VIEW
(Not to Scale)
Figure 3. 10-Lead LFCSP Pin Configuration
NOTES
1. THE EXPOSED PAD IS LOCATED ON THE BOTTOM OF
THE PACKAGE. THE EXPOSED PAD ENHANCES THERMAL
PERFORMACE, AND IT IS ELECTRICALLY CONNECTED TO
GROUND INSIDE THE PACKAGE. CONNECT THE EXPOSED
PAD TO THE GROUND PLANE ON THE BOARD TO ENSURE
PROPER OPERATION.
VOUT
VOUT_SENSE
BYP
EN
VIN
VREG
REF
REF_SENSE
ADP7156
TOP VIEW
(Not to Scale)
1
2
3
4
8
7
6
5
Figure 4. 8-Lead SOIC Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
LFCSP
SOIC
Mnemonic
Description
1, 2
1
VOUT
Regulated Output Voltage. Bypass VOUT to ground with a 10 µF or greater capacitor.
3
2
VOUT_SENSE
Output Sense. VOUT_SENSE is internally connected to VOUT with a 10 Ω resistor. Connect
VOUT_SENSE as close to the load as possible.
4
3
BYP
Low Noise Bypass Capacitor. Connect a 1 µF capacitor from the BYP pin to ground to reduce noise.
Do not connect a load to this pin.
5
4
EN
Enable. Drive EN high to turn on the regulator; drive EN low to turn off the regulator. For automatic
startup, connect EN to VIN.
6
5
REF_SENSE
Reference Sense. Connect REF_SENSE to the REF pin. Do not connect REF_SENSE to VOUT or GND.
7
6
REF
Low Noise Reference Voltage Output. Bypass REF to ground with a 1 µF or greater capacitor. Short
REF_SENSE to REF for fixed output voltages. Do not connect a load to this pin.
8
7
VREG
Regulated Input Supply Voltage to Low Dropout (LDO) Amplifier. Bypass VREG to ground with a
1 µF or greater capacitor.
9, 10
8
VIN
Regulator Input Supply Voltage. Bypass VIN to ground with a 10 µF or greater capacitor.
EP
Exposed Pad. The exposed pad is located on the bottom of the package. The exposed pad
enhances thermal performance, and it is electrically connected to ground inside the package.
Connect the exposed pad to the ground plane on the board to ensure proper operation.


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