TDF8553J datasheet(3/47 Pages) NXP

Part #	TDF8553J

Description	I2C-bus controlled 4 X 50 Watt power amplifier and multiple voltage regulator

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Manufacturer	NXP [NXP Semiconductors]

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TDF8553J_1

Objective data sheet

Rev. 01 — 3 December 2008

3 of 47

NXP Semiconductors

TDF8553J

4

× 50 Watt power ampliﬁer and multiple voltage regulator

Voltage regulators

VP

supply voltage

regulators 1, 3, 4 and 5 on; switches 1 and 2 on

10

14.4

18

V

jump starts for t

≤ 10 minutes

-

30

V

load dump protection for t

≤ 50 ms and tr ≥ 2.5 ms

-

50

V

Vth(dis)

disable threshold

voltage

regulator 1, 3, 4 and 5 on; switches 1 and 2 on

18.1

22

-

V

VDCDC

DC-to-DC converter

voltage

4.75

5.0

VP

V

Iq(tot)

total quiescent current

standby mode; VP = 14.4 V

-

180

250

µA

VO(reg)

regulator output voltage

regulator 1; 0.5 mA

≤ I

O ≤ 400 mA; 10 V ≤ VP ≤ 18 V;

selectable via I2C-bus

IB2[D3:D2] = 01

7.9

8.3

8.7

V

IB2[D3:D2] = 10

8.1

8.6

9.1

V

IB2[D3:D2] = 11

4.75

5.0

5.25 V

regulator 2; 0.5 mA

≤ IO ≤ 350 mA; 10 V ≤ VP ≤ 18 V

3.1

3.3

3.5

V

regulator 3; 0.5 mA

≤ IO ≤ 500 mA; 5 V ≤ VDCDC ≤ 18 V

3.1

3.3

3.5

V

regulator 4; 0.5 mA

≤ IO ≤ 800 mA; 10 V ≤ VP ≤ 18 V;

selectable via I2C-bus

IB2[D7:D5] = 001

4.75

5.0

5.25 V

IB2[D7:D5] = 010

5.7

6.0

6.3

V

IB2[D7:D5] = 011

6.6

7.0

7.4

V

IB2[D7:D5] = 100

8.1

8.6

9.1

V

IB2[D7:D5] = 101

7.6

8.0

8.4

V

regulator 5; 0.5 mA

≤ IO ≤ 400 mA; selectable via

I2C-bus

10 V

≤ VP ≤ 18 V; IB1[D7:D4] = 0001

5.7

6.0

6.3

V

10 V

≤ VP ≤ 18 V; IB1[D7:D4] = 0010

6.65

7.0

7.37 V

10 V

≤ VP ≤ 18 V; IB1[D7:D4] = 0011

7.8

8.2

8.6

V

10.5 V

≤ VP ≤ 18 V; IB1[D7:D4] = 0100

8.55

9.0

9.45 V

11 V

≤ VP ≤ 18 V; IB1[D7:D4] = 0101

9.0

9.5

10.0 V

11.5 V

≤ VP ≤ 18 V; IB1[D7:D4] = 0110

9.5

10.0

10.5 V

13 V

≤ VP ≤ 18 V; IB1[D7:D4] = 0111

9.9

10.4

10.9 V

14.2 V

≤ VP ≤ 18 V; IB1[D7:D4] = 1000

11.8

12.5

13.2 V

12.5 V

≤ VP ≤ 18 V; IB1[D7:D4] = 1001

VP − 1VP − 0.5 -

V

10 V

≤ VP ≤ 18 V; IB1[D7:D4] = 1010

4.75

5.0

5.25 V

10 V

≤ VP ≤ 18 V; IB1[D7:D4] = 1011

3.1

3.3

3.5

V

regulator 6; 0.5 mA

≤ IO ≤ 100 mA; 10 V ≤ VP ≤ 18 V

4.75

5.0

5.25 V

Power switches

Vdo

dropout voltage

switch 1; IO = 400 mA

-

0.6

1.1

V

switch 2; IO = 400 mA

-

0.6

1.1

V

Table 1.

Quick reference data …continued

Symbol Parameter

Conditions

Min

Typ

Max Unit

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