PIP202-12M-2 datasheet(5/20 Pages) NXP

5 / 20 page

Philips Semiconductors

PIP202-12M-2

DC-to-DC converter powertrain

Product data

Rev. 02 — 24 November 2003

5 of 20

9397 750 11943

7.4 3-state function

If the input from the PWM controller becomes high impedance (3-state) for longer

than td(3-state), then both MOSFETs are turned off and the VI input is driven to 2.5 V

by an internal 2 x 10 k

Ω resistor voltage divider between an internal 5 V reference

and ground. Once the VI input is outside the 3-state window for longer than td(3-state)

normal operation will commence.

Limiting values

[1]

Pulse width and repetition rate limited by maximum value of Tj.

[2]

Assumes a thermal resistance from junction to printed-circuit board of 5 K/W.

Table 3:

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

VDDC

control circuit supply voltage

−0.5

VDDO

output stage supply voltage

−0.5

input voltage

−0.5

5.25

output voltage

−0.5

VDDO + 0.5 V

VCB

bootstrap voltage

−0.5

VO +15

IO(AV)

average output current

VDDC =12V; Tpcb ≤ 110 °C;

Figure 5

-25

IORM

repetitive peak output current

VDDC =12V; tp ≤ 10 µs

[1]

200

Ptot

total power dissipation

Tpcb =25 °C

[2]

-25

Tpcb =90 °C

[2]

-12

Tstg

storage temperature

−55

+150

°C

junction temperature

−55

+150

°C

VDDC =12V; VDDO = 12 V; fi = 500 kHz; VO = 1.6 V.

Fig 5.

Average output current as a function of printed-circuit board temperature.

03ag41

100

150

Tpcb (°C)

IO(AV)

(A)

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