TEA1721DT datasheet(9/14 Pages) PHILIPS

Il numero della parte	TEA1721DT

Spiegazioni elettronici	HV start-up flyback controller with integrated MOSFET for 5 W applications, 1270 Hz burst frequency

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TEA1721DT

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Product data sheet

Rev. 2.1 — 7 June 2012

9 of 14

NXP Semiconductors

TEA1721DT

HV start-up flyback controller with integrated MOSFET for 5 W

Power switch (Pin: DRAIN)

Idrain(off)

off-state drain current

VDRAIN = 325 V

-

1

-

µA

RDSon

drain-source on-state

resistance

Tj =25 °C; Ids = 30 mA

13

15.5

17

Ω

V(BR)DS

drain-source

breakdown voltage

700

--V

Peak current comparator (Pin: SOURCE)

tPD

propagation delay time dV/dt = 0.2 V/µs

-

100

-

ns

tleb

leading edge blanking

time

290

325

360

ns

Vref-peak-high

reference voltage, high

peak voltage

maximum peak voltage in CV and CC

modes, without jitter

0.525

0.555

0.585

V

Vref-peak-low

reference voltage, low

peak voltage

in CVB mode

0.085

0.1

0.115

V

Vref-0 V

reference voltage at

start-up or 0 V

feedback voltage

in CC mode with VFBS = 0 V

0.18

0.21

0.24

V

Table 5.

Characteristics …continued

VCC = 20 V; VFB = 0 V; Rsource = 1.5 Ω; Tj-switch = 25 °C; Tj-controller = 25 °C; all voltages referenced to GND,

positive currents flow into the IC, unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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