MC34716 查看數據表（PDF） - Freescale Semiconductor
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MC34716 Datasheet PDF : 25 Pages
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PIN CONNECTIONS
Table 1. 34716 Pin Definitions (continued)
A functional description of each pin can be found in the Functional Pin Description section beginning on page 11.
Pin Number Pin Name Pin Function Formal Name
Definition
14
VOUT2
Output
Output Voltage
Channel 2 Buck converter output voltage discharge pin
Discharge Path
15
PGND2
Ground
Power Ground
Channel 2 Buck converter and discharge MOSFETs power ground
16
SW2
Input/Output Switching Node Channel 2 Buck converter switching node
17
PVIN2
Power
Power Input Voltage Channel 2 Buck converter power input
18
BOOT2
Input
Bootstrap Input
Channel 2 Bootstrap capacitor input pin
19
ILIM1
Input
Soft Start Adjustment Channel 1 soft start adjustment
Input
20
NC
None
No Connect
No internal connections to this pin
21
22,23
24
25
FREQ
VIN
GND
VDDI
Input
Power
Ground
Output
Frequency Adjustment The buck converters switching frequency adjustment input
Input
Input Supply Voltage Power supply voltage of the IC
Signal Ground
Analog ground of the IC
Internal Supply
Voltage
Internal Supply Voltage Output
26
STBY
Input
Standby Input
Standby mode input control pin
34716
4
Analog Integrated Circuit Device Data
Freescale Semiconductor
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