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Electrical characteristics (continued) – Rainbow Electronics ATA6631 User Manual

Page 19

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19

9165A–AUTO–11/09

ATA6629/ATA6631

6.12

Ramp up time VS > 4V
to VCC = 3.3V

C

VCC

= 2.2 µF

I

load

= –5 mA at VCC

VCC

t

VCC

100

250

µs

A

7

VCC Voltage Regulator ATA6631

7.1

Output voltage V

CC

5.5V < VS < 18V
(0 mA to 50 mA)

VCC

VCC

nor

4.9

5.1

V

A

7.2

Output voltage V

CC

at

low V

S

4V < VS < 5.5V

VCC

VCC

low

V

VS

– V

D

5.1

V

A

7.3

Regulator drop voltage

VS > 4V, I

VCC

= –20 mA

VCC

V

D1

250

mV

A

7.4

Regulator drop voltage

VS > 4V, I

VCC

= –50 mA

VCC

V

D2

400

600

mV

A

7.5

Regulator drop voltage

VS > 3.3V, I

VCC

= –15 mA

VCC

V

D3

200

mV

A

7.6

Line regulation
maximum

5.5V < VS < 18V

VCC

VCC

line

1

%

A

7.7

Load regulation
maximum

5 mA < I

VCC

< 50 mA

VCC

VCC

load

0.5

2

%

A

7.8

Power supply ripple
rejection

10 Hz to 100 kHz
C

VCC

= 10 µF

VS = 14V, I

VCC

= –15 mA

50

dB

C

7.9

Output current limitation VS > 5.5V

VCC

I

VCCs

–240

–160

mA

A

7.10

Load capacity

0.2

Ω

< ESR < 5

Ω

at

100 kHz

VCC

C

load

1.8

10

µF

D

7.11

VCC undervoltage
threshold

Referred to VCC
VS > 5.5V

VCC

V

thunN

4.2

4.8

V

A

7.12

Hysteresis of
undervoltage threshold

Referred to VCC
VS > 5.5V

VCC

Vhys

thun

250

mV

A

7.13

Ramp up time VS > 5.5V
to VCC = 5V

C

VCC

= 2.2 µF

I

load

= –5 mA at VCC

VCC

T

VCC

130

300

µs

A

8

LIN Bus Driver: Bus Load Conditions:
Load 1 (Small): 1 nF, 1 k

Ω

; Load 2 (Large): 10 nF, 500

Ω

; Internal Pull-up R

RXD

= 5 k

Ω

; C

RXD

= 20 pF, Load 3 (Medium): 6.8

nF, 660

Ω

characterized on samples

10.7 and 10.8 Specifies the Timing Parameters for Proper Operation at 20 kBit/s and 10.9 and 10.10 at 10,4 kBit/s

8.1

Driver recessive output
voltage

Load1/Load2

LIN

V

BUSrec

0.9

×

V

S

V

S

V

A

8.2

Driver dominant voltage

V

VS

= 7V

R

load

= 500

Ω

LIN

V

_LoSUP

1.2

V

A

8.3

Driver dominant voltage

V

VS

= 18V

R

load

= 500

Ω

LIN

V

_HiSUP

2

V

A

8.4

Driver dominant voltage

V

VS

= 7V

R

load

= 1000

Ω

LIN

V

_LoSUP_1k

0.6

V

A

8.5

Driver dominant voltage

V

VS

= 18V

R

load

= 1000

Ω

LIN

V

_HiSUP_1k

0.8

V

A

8.6

Pull–up resistor to V

S

The serial diode is
mandatory

LIN

R

LIN

20

30

47

k

Ω

A

8.7

Voltage drop at the serial
diodes

In pull-up path with R

slave

I

SerDiode

= 10 mA

LIN

V

SerDiode

0.4

1.0

V

D

9.

Electrical Characteristics (Continued)

5V < V

S

< 27V, –40°C < T

j

< 150°C; unless otherwise specified all values refer to GND pins.

No.

Parameters

Test Conditions

Pin

Symbol

Min.

Typ.

Max.

Unit

Type*

*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter