TEA1024T 데이터 시트보기 (PDF) - Philips Electronics

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TEA1024T

High efficiency DC/DC converter

Philips Electronics 

Philips Semiconductors

High efficiency DC/DC converter

Product specification

TEA1204T

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

VO(up)

VO(down)

Vstart

output voltage in up mode

output voltage in down mode

start-up voltage

U/D = LOW, VSEL = LOW

U/D = LOW; VSEL = HIGH

U/D = HIGH; VSEL = LOW

U/D = HIGH; VSEL = HIGH

up mode

Efficiency

η

efficiency

from 2.4 to 3.3 V

from 3.6 to 5.0 V

from 5.0 to 3.6 V

from 5.0 to 3.3 V

1 mA < IL < 1.0 A

1 mA < IL < 1.0 A

1 mA < IL < 1.0 A

1 mA < IL < 1.0 A

Current levels

Iq

ISHDWN

IlimN

IlimP

ILX(max)

quiescent current at pin 3

shut-down current

current limit NFET

current limit PFET

maximum continuous current at

pin 5

up mode

up mode

down mode

Power MOSFETS

RdsON(N)

RdsON(P)

pin-to-pin resistance NFET

pin-to-pin resistance PFET

Timing

fsw

switching frequency

tres

response time from standby to Pmax

MIN.

4.75

3.13

3.42

3.13

1.6

83

82

80

78

50

−

2.38

2.05

−

0.08

0.10

150

−

TYP.

5.05

3.34

3.64

3.34

2.0

90

90

92

90

60

2

2.80

2.40

−

0.12

0.16

200

25

MAX.

5.35

3.54

3.85

3.54

2.2

UNIT

V

V

V

V

V

95

%

94

%

95

%

94

%

70

µA

10

µA

3.20 A

2.75 A

1.0

A

0.20 Ω

0.25 Ω

240 kHz

−

µs

1998 Mar 02

3

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