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TLE4254

Electrical Characteristics

Data Sheet

Rev. 1.2, 2009-11-18

5.2

Current Consumption

Table 2

Electrical Characteristics Current Consumption

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

Conditions

Min.

Typ.

Max.

5.2.13 Quiescent Current

Stand-by Mode

–15

µA

ADJ/EN ≤ 0.4 V;

j ≤ 125 °C

5.2.14 Current Consumption

q = II - IQ

–50

µA

Q ≤ 100 µA;

ADJ/EN = 5 V

5.2.15

–

Q ≤ 70 mA;

ADJ/EN = 5 V

Typical Performance Characteristics Current Consumption

Quiescent Current

q1 vs.

Junction Temperature

Current Consumption

q2 vs.

Output Current

Current Consumption

q vs.

Input Voltage

Iq1-Tj.vsd

0.1

q1 [µA]

-40

j [°C]

-20

20 40

80 100

060

140

120

I = 13.5V

EN/ADJ

= 0.2 V

0.1

Q [mA]

110

Iq-IQ_log.vsd

0,1

j = -40 °C

q [mA]

0,04

j = 150 °C

q [mA]

I [V ]

Iq _VI.v s d

1.2

0.8

0.4

1.8

ADJ = 5 V

Q = 1 mA

j = 25 °C

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