TLE4284 datasheet(7/15 Pages) INFINEON

7 / 15 page

Target Data Sheet Rev. 0.2

2000-10-06

TLE 4284

Characteristics Adjustable Output Voltage Device TLE 4284 DV

–40

°C< T

j < 150 °C; VI – VQ =5 V, IQ =10 mA; unless otherwise specified

Parameter

Sym-

bol

Limit Values

Unit

Measuring Conditions

min.

typ.

max.

Reference voltage

REF

1.20

1.25

1.30

–

Line regulation

∆V

–

0.3

1.0

3 V

≤ (V

I – VQ) ≤ 40 V

Load regulation

∆V

–

0.3

1.5

10 mA

≤ I

Q ≤ 800 mA;

I =4.25 V; VQ = VREF

Drop voltage

–

2.1

–

Q = 100 mA

Drop voltage

–

2.15

–

Q = 500 mA

Drop voltage

–

2.2

–

Q = 800 mA

Current

consumption;

q = II – IQ

–

100

120

µA

Q =10 mA

Adjust current

ADJ

–

100

120

µA

Q =10 mA

Adjust current

change

∆I

ADJ

–

± 0.2 ± 1

µA10 mA ≤ I

Q ≤ 800 mA;

≤ (V

I – VQ) ≤ 20 V

Adjust current

change

∆I

ADJ

–

± 0.2 ± 1

µA10 mA ≤ I

Q ≤ 200 mA;

≤ (V

I – VQ) ≤ 40 V

Temperature stability ––

–

Minimum load current

–

3.5

I – VQ =40 V

Current limit

Qmax

1000 –

2200 mA

I = 13.5 V

Current limit

Qmax

200

–

I – VQ =40 V; Tj =25 °C

RMS Output Noise

––

–

ppm

ppm of

Q;10 Hz ≤ f ≤ 10k;

j =25 °C

Power Supply Ripple

Rejection

PSRR

–

Q =10 V, fr = 120 Hz,

r =0.5 VPP, CADJ =0 µF

Power Supply Ripple

Rejection

PSRR

–

Q =10 V, fr = 120 Hz,

r =0.5 VPP, CADJ =10 µF

Long Term Stability

∆V

–

0.3

j = 125 °C, 1000 h

REF = VQ – VADJ

Drop voltage measured when the output voltage has dropped 100 mV from the nominal value obtained at

Q =VREF.

Guaranteed by design.

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