TEA1530AT datasheet(10/21 Pages) NXP

Numer części	TEA1530AT

Szczegółowy opis	GreenChip II SMPS control IC

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TEA1530T_AT_AP_1

Product data sheet

Rev. 01 — 30 June 2008

10 of 21

NXP Semiconductors

TEA1530T/AT/AP

GreenChip II SMPS control IC

7.14 Driver

The driver circuit to the gate of the power MOSFET has a current sourcing capability of

typically 150 mA and a current sink capability of typically, 500 mA at VCC = 9.5 V. At

VCC = 15 V, the current sourcing capability is typically 250 mA and the current sink

capability typically 0.7 A. This permits fast turning on and off of the power MOSFET for

efﬁcient operation.

A low driver source current has been chosen to limit the

∆V/∆t at switch-on. This reduces

ElectroMagnetic Interference (EMI) and also limits the current spikes across Rsense.

8.

Limiting values

Fig 7.

Soft start-up

014aaa254

Css

Rss

SENSE

Rsense

Istartup(soft)

Vocp

start-up

6

0.5 V

Table 3:

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134). All voltages are measured

with respect to ground (pin 2); positive currents ﬂow into the chip; pin VCC may not be current driven.

The voltage ratings are valid provided other ratings are not violated; current ratings are valid

provided the maximum power rating is not violated.

Symbol

Parameter

Conditions

Min

Max

Unit

Voltages

VCC

supply voltage

continuous

−0.4

+20

V

VPROTECT

voltage on pin PROTECT

continuous

−0.4

+5

V

VCTRL

voltage on pin CTRL

−0.4

+5

V

VSENSE

voltage on pin SENSE

current limited

−0.4

-

V

VDRAIN

voltage on pin DRAIN

−0.4

+650

V

Currents

ICTRL

current on pin CTRL

d < 10 %

-

50

mA

ISENSE

current on pin SENSE

−1

+10

mA

IDRIVER

current on pin DRIVER

d < 10 %

−0.8

+2

A

IDRAIN

current on pin DRAIN

-

5

mA

Podobny numer części - TEA1530AT

Producent	Numer części	Arkusz danych	Szczegółowy opis
NXP Semiconductors	TEA1530AT	566Kb / 22P	GreenChip?줚I SMPS control IC Rev. 01-18 May 2005

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