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MC34703PNB Fiches technique(PDF) 5 Page - Freescale Semiconductor, Inc

No de pièce MC34703PNB
Description  10A Switch-Mode Power Supply with LDO Regulator
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Fabricant  FREESCALE [Freescale Semiconductor, Inc]
Site Internet  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC34703PNB Fiches technique(HTML) 5 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
5
34703
PIN CONNECTIONS
25, 31
These pins are not present in package.
26
NC
Heatsink
No electrical connection, thermal heatsinking only.
27, 28
SW
Output
Switch
Buck regulator switching node. This pin is connected to the high power
inductor.
29
PGND
Power
Power Ground
Buck regulator and Power Sequencing shunt FETs Power Ground.
30
VIN2
Input
Input Voltage 2
Buck regulator power input. Drain of the high-side power MOSFET.
32
BOOT
Input
Bootstrap
Bootstrap capacitor input.
33
SR
Passive
Slew Rate
Buck converter Slew Rate control pin.
Table 1. 34703 Pin Definitions (continued)
A functional description of each pin can be found in the Functional Pin Description section beginning on page 15.
Pin Number
Pin Name
Pin Function
Formal Name
Definition


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