SMB113B View Datasheet(PDF) - Summit Microelectronics
Part Name
Description
Manufacturer
SMB113B Datasheet PDF : 32 Pages
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SMB113A/B/SMB117/A
Preliminary Information
PIN DESCRIPTION
Pin Number Pin Type Pin Name Pin Description
The VM_CH3 (Channel 3 Voltage Monitor) pin connects the channel 3
29
IN
VM_CH3 step-down controller output. Internally the VM_CH3 pin connects to an
internal programmable resistor divider.
30
PWR
GND
Ground
31
32
PAD
OUT
PWR
PWR
LSDRV_CH0
HVSUP0
GND
The LSDRV_CH0 (Channel 0 Low-side Driver) pin is the lower switching
node of the channel 0 synchronous step-down buck controller. Attach to
the gate of n-channel MOSFET.
Channel 0 High Voltage Supply used to power the channel 0 buck
driver.
Exposed metal (thermal) Pad on bottom of SMB113A/B and SMB117/A.
The thermal pad of the QFN package must be connected to the PCB
GND.
Summit Microelectronics, Inc
2111 2.6 9/16/2010
7
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