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RT9230CS датащи(PDF) 6 Page - List of Unclassifed Manufacturers

номер детали RT9230CS
подробное описание детали  1.5V ADVANCED DUAL PWM AND DUAL LINEAR POWER CONTROLLER
PDF  10 Pages
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производитель  ETC [List of Unclassifed Manufacturers]
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RT9230CS датащи(HTML) 6 Page - List of Unclassifed Manufacturers

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RT9230
www.richtek-ic.com.tw
DS9230-03 July 2001
6
GND (Pin 17)
Signal ground for the IC. All voltage levels are
measured with respect to this pin.
DRIVE3 (Pin 18)
Connect this pin to the gate of an external MOSEFT.
This pin provides the drive for the 1.5V regulator’s
pass transistor.
VSEN3 (Pin 19)
Connect this pin to the output of the 1.5V linear
regulator. This pin is monitored for under-voltage
events.
FB1 (Pin 21)
The FB1 pin is the inverting input of the error
amplifier.
VSEN1 (Pin 22)
This pin is connected to the PWM converter’s output
voltage. The PGOOD and OVP comparator circuits
use the signal to report output voltage status and for
over-voltage protection.
PGND (Pin 24)
This is the power ground of UGATE1, LGATE1, and
UGATE2 connection. Tie the synchronous PWM
converter’s lower MOSFET source to this pin.
LGATE1 (Pin 25)
Connect LGATE to the PWM converter’s lower
MOSFET gate. This pin provides the gate drive for
the lower MOSFET.
VCC (Pin 28)
Provide a 12V bias supply for the IC to this pin. This
pin also provides the gate bias charge for all the
MOSFETs controlled by the IC. The voltage at this
pin monitored for power-on reset (POR) purpose.



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