TLE4254EJS datasheet(9/21 Pages) INFINEON

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Data Sheet

Rev. 1.2, 2009-11-18

TLE4254

Electrical Characteristics

5.1.6

Power Supply Ripple

Rejection

PSRR

–

ripple = 100 Hz;

ripple = 1 Vpp

Q = 5 mA

Q = 10 µF, ceramic type

5.1.7

Dropout Voltage

dr = VI - VQ

–

200

400

Q = 70 mA

5.1.8

Output Current Limitation

Q,max

100

150

Q = (VADJ/EN - 0.1 V);

ADJ/EN = 5 V

5.1.9

Reverse Current

-4

-2

–

I = 0 V;

Q = 32 V;

ADJ/EN = 5 V

5.1.10 Reverse Current

at Negative Input Voltage

-5

-3

–

I = -16 V;

Q = 0 V;

ADJ/EN = 5 V

Feedback Input FB (version GA / EJ A only):

5.1.11 Feedback Input Biasing

Current

–0.1

0.5

µA

FB = 5 V

Overtemperature Protection:

5.1.12 Junction Temperature

Equilibrium

j,eq

151

–

200

°C

j increasing due to power

dissipation generated

by the IC 1)

1) Parameter not subject to production test; specified by design.

2) Measured when the output voltage

VQ has dropped 100 mV from its nominal value.

Table 1

Electrical Characteristics Tracking Regulator

I = 13.5 V; VADJ/EN ≥ 2.0 V; VFB = VQ (version GA / EJ A); -40 °C ≤ Tj ≤ 150 °C; CQ = 1 µF;

all voltages with respect to ground (unless otherwise specified).

Pos.

Parameter

Symbol

Limit Values

Unit

Test Condition

Min.

Typ.

Max.

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