UBA3070 datasheet(7/13 Pages) NXP

7 / 13 page

UBA3070_2

Product data sheet

Rev. 02 — 2 December 2008

7 of 13

NXP Semiconductors

UBA3070

LED backlight driver IC

[1]

All voltages are measured with respect to ground; positive currents ﬂow into the IC. The pin VCC may not be

current driven. The voltage ratings are valid provided other ratings are not violated. The current ratings are

valid provided the maximum power rating is not violated.

[2]

Human Body Model (HBM): equivalent to discharging a 100 pF capacitor through a 1.5 k

Ω resistor.

[3]

Machine Model (MM): equivalent to discharging a 200 pF capacitor through a 0.75

µH coil and a 10 Ω

resistor.

Thermal characteristics

10. Characteristics

IMASK

current on pin MASK

−250

+250

µA

ISENSE

current on pin SENSE

−1

+10

IGATE

current on pin GATE

d < 10 %

−0.8

IDRAIN

current on pin DRAIN

General

Ptot

total power dissipation

Tamb < 70 °C

0.5

Tstg

storage temperature

−55

+150

°C

junction temperature

−40

+145

°C

ESD

VESD

electrostatic discharge

voltage

all pins except pins

DRAIN and VCC;

HBM class 1

[2]

2000

pins DRAIN and VCC;

HBM class 1

[2]

1500

any pin; MM

[3]

200

Table 3.

Limiting values …continued

In accordance with the Absolute Maximum Rating System (IEC 60134).[1]

Symbol

Parameter

Conditions

Min

Max

Unit[1]

Table 4.

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

Rth(j-a)

thermal resistance from junction

to ambient

In free air

150

K/W

Table 5.

Characteristics

Tamb = 25 ° C; VCC = 15 V; all voltages are measured with respect to ground; currents are positive when ﬂowing into the IC;

unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Start-up current source (pin DRAIN)

VBR

breakdown voltage

650

Supply voltage management (pin VCC)

VCC(startup)

start-up supply voltage

9.3

10.6

VCC(UVLO)

undervoltage lockout supply

voltage

8.1

8.7

9.3

VCC(hys)

hysteresis of supply voltage

VCC(startup) − VCC(UVLO)

1.0

1.3

1.6

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