UBA2211

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© NXP B.V. 2011. All rights reserved.

Product data sheet

Rev. 3 — 26 August 2011

13 of 20

NXP Semiconductors

UBA2211

Half-bridge power IC family for CFL lamps

11. Application information

The components used in Figure 7 are illustrated in Table 6.

Remark: The customized component values depend on the burner characteristics. An

on-line tool is available to calculate the required components values. This on-line tool can

be found on the product information page of the UBA2211.

Fig 7.

Application diagram for the SO14 devices

001aal993

Rfuse

D3

CBUF

COUT1

Clamp

Llamp

COUT2

CDVDT

Cosc

CVDD

Rosc

CSW

CFS

RSENSE

LFILT

D2

D4

D1

U1

SGND

114

OUT

SGND

213

SGND

HV

312

SENSE

PGND

411

FS

DVDT

510

SGND

69

SGND

RC

78

SW

LAMP

AC input

L_N

L_L

UBA2211

Table 6.

SO14 device bill of materials

Number

Reference

Alias

Typical value

Quantity

10

; 1 W

1

2

D1, D2, D4, D5

M7

4

C1

2.7

F; 400 V; 105 C; 10*16

1

C5

10 nF; 50 V; 0805

1

C6

100 nF; 50 V; 0805

2

C9

220 pF; 500 V

1

C7

220 pF; 50 V; 0805

1

C0, C2, C3

100 nF; 400 V; CL21

3

10

C4

2.2 nF; 1 kV; CBB28

1

11

L1

3 mH; LGB

1

12

L2

3 mH; EE13; PC40

1

13

R1

100 k

; 1 %; 0805

1

14

R2

1.8

; 1 W; 1 %

1

15

PCB

UBA2211-1; UBA2211-8

2

16

IC

UBA2211B

1

17

Burner

3U-12 W; 2700k

1