33903 datasheet(21/104 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33903/4/5

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

VOLTAGE REGULATOR FOR CAN INTERFACE SUPPLY, 5.0 V-CAN PIN

Output voltage, VSUP/2 = 5.5 to 40 V

IOUT 0 to 160 mA

5V-C OUT

4.75

5.0

5.25

Output Current limitation (15)

5V-C ILIM

160

280

Under-voltage threshold

5V-C UV

4.1

4.5

4.7

Thermal shutdown (Guaranteed by design)

5V-CTS

160

°C

External capacitance (Guaranteed by design)

CEXT-CAN

1.0

100

μF

V AUXILIARY OUTPUT, 5.0 AND 3.3 V SELECTABLE PIN VB-AUX, VC-AUX, VAUX

VAUX output voltage

VAUX = 5.0 V, VSUP = VSUP2 5.5 to 40 V, IOUT 0 to 150 mA

VAUX = 3.3 V, VSUP = VSUP2 5.5 to 40 V, IOUT 0 to 150 mA

VAUX

4.75

3.135

5.0

3.3

5.25

3.465

VAUX under-voltage detector (VAUX configured to 5.0 V)

Low Threshold

Hysteresis

VAUX under-voltage detector (VAUX configured to 3.3 V, default value)

VAUX-UVTH

4.2

0.06

2.75

4.5

3.0

4.70

0.12

3.135

VAUX over-current threshold detector

VAUX set to 3.3 V

VAUX set to 5.0 V

VAUX-ILIM

250

230

360

330

450

430

External capacitance (Guaranteed by design)

VAUX CAP

2.2

100

μF

UNDER-VOLTAGE RESET AND RESET FUNCTION, RST PIN

VDD under-voltage threshold down - 90% VDD (VDD 5.0 V)(16), (18)

VDD under-voltage threshold up - 90% VDD (VDD 5.0 V)

VDD under-voltage threshold down - 90% VDD (VDD 3.3 V)(16), (18)

VDD under-voltage threshold up - 90% VDD (VDD 3.3 V)

VRST-TH1

4.5

2.75

4.65

3.0

4.85

4.90

3.135

VDD under-voltage reset threshold down - 70% VDD (VDD 5.0 V)(17), (18)

VRST-TH2-5

2.95

3.2

3.45

Hysteresis

for threshold 90% VDD, 5.0 V device

for threshold 70% VDD, 5.0 V device

Hysteresis 3.3 V VDD

for threshold 90% VDD, 3.3 V device

VRST-HYST

150

VDD under-voltage reset threshold down - LP VDD ON Mode

(Note: device change to Normal Request Mode). VDD 5.0 V

(Note: device change to Normal Request Mode). VDD 3.3 V

VRST-LP

4.0

2.75

4.5

3.0

4.85

3.135

Notes

15.

Current limitation will be reported by setting a flag.

16.

Generate a Reset or an INT. SPI programmable

17.

Generate a Reset

18.

In Non-LP Modes

Table 4. Static Electrical Characteristics (continued)

Characteristics noted under conditions 5.5 V

≤ VSUP ≤ 28 V, -40 °C ≤ TA ≤ 125 °C, unless otherwise noted. Typical values

noted reflect the approximate parameter means at TA = 25 °C under nominal conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

33903 Datasheet(PDF) 21 Page - Freescale Semiconductor, Inc

33903 Datasheet(HTML) 21 Page - Freescale Semiconductor, Inc

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