ATA6629-TAQY 데이터 시트보기 (PDF) - Atmel Corporation

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ATA6629-TAQY

LIN Bus Transceiver with Integrated Voltage Regulator

Atmel Corporation 

ATA6629/ATA6631

9. Electrical Characteristics (Continued)

5V < VS < 27V, –40°C < Tj < 150°C; unless otherwise specified all values refer to GND pins.

No. Parameters

Test Conditions

Pin Symbol Min.

Typ.

Max.

Unit Type*

7.1 Output voltage VCC

5.5V < VS < 18V

(0 mA to 50 mA)

VCC

VCCnor

4.9

5.1

V

A

7.2

Output voltage VCC at

low VS

4V < VS < 5.5V

VCC

VCClow VVS – VD

5.1

V

A

7.3 Regulator drop voltage VS > 4V, IVCC = –20 mA

VCC

VD1

250

mV

A

7.4 Regulator drop voltage VS > 4V, IVCC = –50 mA

VCC

VD2

400

600

mV

A

7.5 Regulator drop voltage VS > 3.3V, IVCC = –15 mA VCC

VD3

200

mV

A

7.6

Line regulation

maximum

5.5V < VS < 18V

VCC

VCCline

0.1

0.2

%

A

7.7

Load regulation

maximum

5 mA < IVCC < 50 mA

VCC VCCload

0.1

0.5

%

A

7.8

Power supply ripple

rejection

10 Hz to 100 kHz

CVCC = 10 µF

VS = 14V, IVCC = –15 mA

50

dB

D

7.9 Output current limitation VS > 5.5V

VCC

IVCCs

–240 –160

–85

mA

A

7.10 Load capacity

0.2Ω < ESR < 5Ω at

100 kHz

VCC

Cload

1.8

10

µF

D

7.11

VCC undervoltage

threshold

Referred to VCC

VS > 5.5V

VCC

VthunN

4.2

4.8

V

A

7.12

Hysteresis of

undervoltage threshold

Referred to VCC

VS > 5.5V

VCC Vhysthun

250

mV

A

7.13

Ramp up time VS > 5.5V CVCC = 2.2 µF

to VCC = 5V

Iload = –5 mA at VCC

VCC

TVCC

320

500

µs

A

LIN Bus Driver: Bus Load Conditions:

8

Load 1 (Small): 1 nF, 1 kΩ; Load 2 (Large): 10 nF, 500Ω; Internal Pull-up RRXD = 5 kΩ ; CRXD = 20 pF, Load 3 (Medium): 6.8

nF, 660Ω 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

VBUSrec 0.9 × VS

VS

V

A

8.2

Driver dominant voltage

VVS = 7V

Rload = 500Ω

8.3

Driver dominant voltage

VVS = 18V

Rload = 500Ω

8.4

Driver dominant voltage

VVS = 7V

Rload = 1000Ω

8.5

Driver dominant voltage

VVS = 18V

Rload = 1000Ω

8.6 Pull–up resistor to VS

The serial diode is

mandatory

LIN

V_LoSUP

1.2

V

A

LIN

V_HiSUP

2

V

A

LIN V_LoSUP_1k

0.6

V

A

LIN

V_HiSUP_1k

0.8

V

A

LIN

RLIN

20

30

47

kΩ

A

8.7

Voltage drop at the serial In pull-up path with Rslave

diodes

ISerDiode = 10 mA

LIN

VSerDiode

0.4

1.0

V

D

8.8

LIN current limitation

VBUS = VBatt_max

LIN

IBUS_LIM

40

120

200

mA

A

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

19

9165B–AUTO–05/10

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