UPC2709T datasheet(4/6 Pages) NEC

4 / 6 page

Data Sheet P12653EJ2V1DS00

µµµµPC2709TB

PIN EXPLANATION

NO.

Name

Applied

voltage

(V)

voltage

(V)

Note

Function and applications

Internal equivalent circuit

INPUT

−

1.05

Signal input pin. A internal

matching circuit, configured with

resistors, enables 50

Ω connec-

tion over a wide band.

A multi-feedback circuit is de-

signed to cancel the deviations of

hFE and resistance.

This pin must be coupled to sig-

nal source with capacitor for DC

cut.

OUTPUT

Voltage

as same

as VCC

through

external

inductor

−

Signal output pin. The inductor

must be attached between VCC

and output pins to supply current

to the internal output transistors.

6VCC

4.5 to 5.5

−

Power supply pin, which biases

the internal input transistor.

This pin should be externally

equipped with bypass capacitor

to minimize its impedance.

GND

−

Ground pin. This pin should be

connected to system ground with

minimum inductance. Ground

pattern on the board should be

formed as wide as possible.

All the ground pins must be con-

nected together with wide ground

pattern to decrease impedance

defference.

Note Pin voltage is measured at VCC = 5.0 V

VCC

OUT

GND

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