TLE9861QXA20_15 datasheet(89/122 Pages) INFINEON

Part #	TLE9861QXA20

Description	Microcontroller with PWM Interface and H-Bridge MOSFET Driver for Automotive Applications

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TLE9861QXA20

Electrical Characteristics

Data Sheet

89

Rev. 1.0, 2015-04-30

29.2.3

VDDEXT Voltage Regulator (5.0V) Parameters

Table 24

Electrical Characteristics

V

S = 5.5 V to 28 V, Tj = -40 °C to +150 °C, all voltages with respect to ground, positive current flowing into pin

(unless otherwise specified)

Parameter

Symbol

Values

Unit

Note /

Test Condition

Number

Min.

Typ. Max.

Specified output current

I

VDDEXT

0

–

20

mA

–

P_2.3.1

Specified output current

I

VDDEXT

0–

40

mA

1)

1) This use case requires the reduced utilization of VDDP output current by 20 mA, see P_2.1.22.

P_2.3.21

Required decoupling capacitance

C

VDDEXT1

0.1

–

2.2

µF

3) 2)ESR < 1 Ω; the

specified capacitor

value is a typical

value.

2) Ceramic capacitor.

P_2.3.22

Required buffer capacitance for

stability (load jumps)

C

VDDEXT2

1–

2.2

µF

3)2)the specified

capacitor value is a

typical value.

P_2.3.20

Output voltage including line and

load regulation

V

DDEXT

4.9

5.0

5.1

V

3) I

load<20mA; VS >

5.5V

P_2.3.3

Output voltage including line and

load regulation

V

DDEXT

4.8

5.0

5.2

V

I

load<40mA; VS >

5.5V

P_2.3.23

Output drop @ Active Mode

V

S-VDDEXT

50

+300

mV

3) I

load <20mA;

3V <

V

S <5.0V

P_2.3.4

Output drop @ Active Mode

V

S-VDDEXT

–

+400

mV

I

load <40mA;

3V <

V

S <5.0V

P_2.3.14

Load regulation @ Active Mode

V

DDEXTLOR

-50

–

50

mV

2 ... 40mA;

C =200nF P_2.3.5

Line regulation @ Active Mode

V

VDDEXTLIR

-50

–

50

mV

V

S = 5.5 ... 28V

P_2.3.6

Power supply ripple rejection @

Active Mode

P

SSRVDDEXT

50

–

dB

3) V

S = 13.5V; f =0 ...

1KHz; Vr=2Vpp

3) Not subject to production test, specified by design.

P_2.3.7

Overvoltage detection

V

VDDEXTOV

5.18

–

5.4

V

S > 5.5V

P_2.3.8

Overvoltage detection filter time

t

FILT_VDDEXT

OV

–

735

–

µs

3)4)

4) This filter time and its variation is derived from the time base tLP_CLK = 1 / fLP_CLK.

P_2.3.24

Voltage OK detection range

V

VDDEXTOK

–3

–

V

3)

P_2.3.25

Voltage stable detection range5)

∆

V

VDDEXTST

B

- 220

–

+ 220 mV

3)

P_2.3.26

Undervoltage trigger

V

VDDEXTUV

2.6

2.8

3.0

V

6)

P_2.3.9

Overcurrent diagnostic

I

VDDEXTOC

50

–

160

mA

–

P_2.3.10

Overcurrent diagnostic filter time

t

FILT_VDDCOC –27

–

µs

3)4)

P_2.3.27

Overcurrent diagnostic shutdown

time

t

FILT_VDDCOC

_SD

–

290

–

µs

3)4)

P_2.3.28

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