33903 datasheet(23/104 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33903/4/5

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

ANALOG MUX OUTPUT

Output Voltage Range, with external resistor to GND >2.0 k

VOUT_MAX

0.0

VDD - 0.5

Internal pull-down resistor for regulator output current sense

RMI

0.8

1.9

2.8

External capacitor at MUX OUTPUT(20) (Guaranteed by design)

CMUX

1.0

Chip temperature sensor coefficient (Guaranteed by design and device

characterization)

VDD = 5.0 V

VDD = 3.3 V

TEMP-COEFF

13.2

13.9

14.6

mv/°C

Chip temperature: MUX-OUT voltage

VDD = 5.0 V, TA = 125 °C

VDD = 3.3 V, TA = 125 °C

VTEMP

3.6

2.45

3.75

2.58

3.9

2.65

Chip temperature: MUX-OUT voltage (guaranteed by design and

characterization)

TA = -40 °C, VDD = 5.0 V

TA = 25 °C, VDD = 5.0 V

TA = -40 °C, VDD = 3.3 V

TA = 25 °C, VDD = 3.3 V

VTEMP(GD)

0.12

1.5

0.07

1.08

0.30

1.65

0.19

1.14

0.48

1.8

0.3

1.2

Gain for VSENSE, with external 1.0 k 1% resistor

VDD = 5.0 V

VDD = 3.3 V

VSENSE GAIN

5.42

8.1

5.48

8.2

5.54

8.3

Offset for VSENSE, with external 1.0 k 1% resistor

VSENSE

OFFSET

-20

Divider ratio for VSUP/1

VDD = 5.0 V

VDD = 3.3 V

VSUP/1 RATIO

5.335

7.95

5.5

8.18

5.665

8.45

Attenuation/Gain ratio for I/O-0 and I/O-1 actual voltage:

VDD = 5.0 V, I/O = 16 V (Attenuation, MUX-OUT register bit 3 set to 1)

VDD = 5.0 V, (Gain, MUX-OUT register bit 3 set to 0)

VDD = 3.3 V, I/O = 16 V (Attenuation, MUX-OUT register bit 3 set to 1)

VDD = 3.3 V, (Gain, MUX-OUT register bit 3 set to 0)

VI/O RATIO

3.8

5.6

4.0

2.0

5.8

1.3

4.2

6.2

Internal reference voltage

VDD = 5.0 V

VDD = 3.3 V

VREF

2.45

1.64

2.5

1.67

2.55

1.7

Current ratio between VDD output & IOUT at MUX-OUT

(IOUT at MUX-OUT = IDD out / IDD_RATIO)

At IOUT = 50 mA

I_OUT from 25 to 150 mA

IDD_RATIO

62.5

115

117

SAFE OUTPUT

SAFE low level, at I = 500

μA

VOL

0.0

0.2

1.0

Safe leakage current (VDD low, or device unpowered). VSAFE 0 to 28 V.

ISAFE-IN

0.0

1.0

μA

Notes

20.

When C is higher than CMUX, a serial resistor must be inserted

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) 23 Page - Freescale Semiconductor, Inc

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