UBA2021P datasheet(2/16 Pages) PHILIPS

Part #	UBA2021P

Description	630 V driver IC for CFL and TL lamps

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Manufacturer	PHILIPS [NXP Semiconductors]

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UBA2021_4

Product data sheet

Rev. 04 — 25 July 2008

2 of 16

NXP Semiconductors

UBA2021

630 V driver IC for CFL and TL lamps

4.

Ordering information

5.

Block diagram

Itot

total supply current

fB = 43 kHz

-

1

-

mA

RG1(on),

RG2(on)

high and low side on

resistance

-

126

-

Ω

RG1(off),

RG2(off)

high and low side off

resistance

-75

-

Ω

Feed-forward

fff

feed-forward frequency

IRHV = 0.75 mA

-

63.6

-

kHz

IRHV = 1.0 mA

-

84.5

-

kHz

Ii(RHV)

operating range of input

current at pin RHV

0

-

1000

µA

Table 1.

Quick reference data

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 2.

Ordering information

Type number

Package

Name

Description

Version

UBA2021T

SO14

plastic small outline package; 14 leads; body width 3.9 mm

SOT108-1

UBA2021P

DIP14

plastic dual in-line package; 14 leads (300 mil)

SOT27-1

Fig 1.

Block diagram

mgs988

UBA2021

SUPPLY

BAND GAP

REFERENCE

OSCILLATOR

TIMING

CI

2

G1

CONTROL

RS

MONITOR

NON

OVERLAP

LEVEL

SHIFTER

SB

HIGH SIDE

DRIVER

LOW SIDE

DRIVER

1

FS

14

CF

12

RREF

10

VS

n.c.

5

RHV

13

4

CP

8

RS

9

bootstrap

charging circuit

3

S1

6

G2

7

11

PGND

SGND

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