UBA2024P datasheet(7/12 Pages) NXP

Part #	UBA2024P

Description	Half-bridge power IC for CFL lamps

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Manufacturer	NXP [NXP Semiconductors]

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UBA2024_3

Product data sheet

Rev. 03 — 16 October 2008

7 of 12

NXP Semiconductors

UBA2024

Half-bridge power IC for CFL lamps

9.

Thermal characteristics

[1]

In accordance with IEC 60747-1

10. Characteristics

Table 4.

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

Rth(j-a)

thermal resistance from junction

to ambient

in free air

[1]

95 K/W

Rth(j-c)

thermal resistance from junction

to case

in free air

[1]

16 K/W

Table 5.

Characteristics

Tj = 25 °C; all voltages are measured with respect to SGND; positive currents ﬂow into the IC.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

High-voltage supply

VHV

high-voltage supply voltage

t

< 0.5 s; IHV < 30 mA

0

-

550

V

VFS

ﬂoating supply voltage

t

< 0.5 s; IHV < 30 mA

0

-

564

V

Low-voltage supply

VDD

low-voltage output supply

voltage

VHV = 100 V;

ROSC = ∞;VSW =VDD;

VRC =0V

11.7

12.5

13.3

V

Start-up state

IHV

high-voltage supply current

VHV = 100 V;

ROSC = ∞;VSW =VDD;

VRC =0V

-

0.39

mA

VDD(start)

start of oscillation voltage

10

11

12

V

VDD(stop)

stop of oscillation voltage

8

8.5

9

V

VDD(hys)

start-stop hysteresis voltage

2

2.5

3

V

Output stage

RHS(on)

HS transistor on-resistance

VHV = 310 V;

Id = 100 mA

-

9.7

11

Ω

RLS(on)

LS transistor on-resistance

Id = 100 mA

-

8.5

9.4

Ω

VHS(d)

HS body diode forward voltage

If = 200 mA

1.4

1.8

2.2

V

VLS(d)

LS body diode forward voltage

If = 200 mA

1.2

1.6

2.0

V

IHS(sat)

HS transistor saturation current

Vds =30V;

Tj ≤ 125 °C;

VHV = 310 V

900

-

mA

ILS(sat)

LS transistor saturation current

Vds =30V;

Tj ≤ 125 °C

900

-

mA

IO(max)

maximum output current

RMS value

-

220

mA

Vboot

bootstrap diode drop voltage

If = 1 mA

0.7

1.0

1.3

V

tno

non-overlap time

1

1.35

1.7

µs

VFS(lock)

ﬂoating supply lockout voltage

3.6

4.2

4.8

V

IFS

ﬂoating supply current

VHV = 310 V;

VFS = 12.2 V

10

14

18

µA

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