L6728 datasheet(6/31 Pages) STMICROELECTRONICS

部件名	L6728

功能描述	Single phase PWM controller with Power Good

PDF	31 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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6 / 31 page

Thermal data

L6728

6/31

Thermal data

Table 3.

Thermal data

VSEN

Regulated voltage sense pin for OVP and UVP protections and PGOOD.

Connect to the output regulated voltage, or to the output resistor divider if

the regulated voltage is higher than the reference.

PGOOD

Open drain output set free after SS has finished and pulled low when VSEN

is outside the relative window. Pull up to a voltage equal or lower than VCC.

If not used it can be left floating.

Table 2.

Pins description (continued)

Pin #

Name

Function

Symbol

Parameter

Value

Unit

Rth(JA)

Thermal resistance junction to ambient

(Device soldered on 2s2p, 67 mm x 69 mm board)

°C/W

Rth(JC)

Thermal resistance junction to case

°C/W

TMAX

Maximum junction temperature

150

°C

TSTG

Storage temperature range

-40 to 150

°C

Junction temperature range

-40 to 125

°C

PTOT

Maximum power dissipation at TA = 25 °C

2.25

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