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MIC23156 bảng dữ liệu(PDF) 13 Page - Microchip Technology

tên linh kiện MIC23156
Giải thích chi tiết về linh kiện  1.5A, 3MHz Synchronous Buck Regulator with HyperLight Load짰 and I2C Control for Dynamic Voltage Scaling
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MIC23156 bảng dữ liệu(HTML) 13 Page - Microchip Technology

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DS20005919A-page 13
MIC23156
3.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
PIN FUNCTION TABLE
Ball
Number
Pin
Number
Pin
Name
Pin Function
WLCSP
QFN
A1
2
SCL
Fast Mode Plus 1 MHz I2C Clock Input Pin.
A2
3
SDA
Fast Mode Plus 1 MHz I2C Data Input/Output Pin.
A3
4
SNS
Sense: Connect to VOUT, close to output capacitor to sense VOUT.
A4
5
SS
Programmable Soft Start: Connect capacitor to AGND.
B1
1
VI2C
Power Connection for I2C Bus Voltage: Connect this pin to the voltage domain of
the I2C bus supply. Do not leave floating.
B2
11
VSEL
Pin Selectable: Output voltage of either of two I2C Voltage registers. Do not leave
floating.
B3
7
PGOOD Power Good Indicator: Use an external pull-up resistor to supply.
B4
8
AVIN
Input Voltage to Power Analog Functions: Connect decoupling capacitor to ground.
C1, C2
16, 17
SW
Switch Connection: Internal power MOSFET output switches.
C3, D3
12, 13
PVIN
Input Voltage to Power Switches: Connect decoupling capacitor to ground.
C4
9
AGND
Analog Ground: Connect to central ground point where all high-current paths meet
(CIN, COUT, and PGND) for best operation.
D1, D2
14, 15
PGND
Power Ground Connection.
D4
10
EN
Enable: Logic high enables operation of voltage regulator. Logic low shuts down
the device. Do not leave floating.
—
6
NC
No Connect.



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