33905 datasheet(17/91 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33904/5

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

UNDERVOLTAGE RESET AND RESET FUNCTION, RST PIN (CONTINUED)

Reset input threshold

Low threshold

High threshold

RST-VTH

1.5

2.5

1.9

3.0

2.2

3.5

Reset input hysteresis

HYST

0.5

1.0

1.5

I/O PINS WHEN FUNCTION SELECTED IS OUTPUT

I/O-0 high side switch drop @ I = -12 mA, VSUP = 10.5 V

I/O-0 HSDRP

0.5

1.4

I/O-2 and I/O-3 high side switch drop @ I = -20 mA, VSUP = 10.5 V

I/O-2-3 HSDRP

0.5

1.4

I/O-1, high side switch drop @ I = -400

μA, VSUP = 10.5 V

I/O-1 HSDRP

0.4

1.4

I/O-0, I/O-1 low side switch drop @ I = 400

μA, VSUP = 10.5 V

I/O-0-1 LSDRP

0.4

1.4

Leakage current

I/O-LEAK

0.1

3.0

μA

I/O PINS WHEN FUNCTION SELECTED IS INPUT

Negative threshold

I/O-NTH

1.4

2.0

2.9

Positive threshold

I/O-PTH

2.1

3.0

3.8

Hysteresis

I/O-HYST

0.2

1.0

1.4

Input current

I/O-IN

-5.0

1.0

5.0

μA

I/O-0 and I/O-1 input resistor. /O_0 (or I/O-1) selected in MUX register,

2.0 V < Vi/o_x <16 V (guaranteed by design).

RI/O-X

100

VSENSE INPUT

VSENSE under-voltage threshold (Not active in Low Power Modes)

- Low Threshold

- High threshold

- Hysteresis

VSENSE_TH

8.1

0.1

8.6

0.25

9.0

9.1

0.5

Input resistor to GND. In all modes except in Low Power modes.

(guaranteed by design).

VSENSE_R

125

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(15) (guaranteed by design)

CMUX

1.0

Chip temperature sensor coeff (guaranteed by design and device

characterization)

TEMP-COEFF

mv/°C

Chip temperature: MUX-OUT voltage at TA = 25°C, guaranteed by

design and characterization.

VTEMP

1.5

1.65

1.8

Chip temperature: MUX-OUT voltage at TA = 125°C

VTEMP

3.6

3.75

3.9

Gain for VSENSE, with external 1.0 k 1% resistor

VSENSE GAIN

5.13

5.48

5.67

Offset for VSENSE, with external 1.0 k 1% resistor

VSENSE OFFSET

-20

Divider ratio for VSUP1

VSUP1 RATIO

5.335

5.5

5.665

Divider ratio for I/O-0 and I/O-1 actual voltage

- with attenuation selected (MUX-OUT register bit 3 set to 1);

VSUP= 16V

VSUP= 27V

- with gain selected (MUX-OUT register bit 3 set to 0)

VI/O RATIO

3.8

3.75

4.0

3.95

2.0

4.2

4.15

Notes

15.

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 ≤ 27 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

33905 Datasheet(PDF) 17 Page - Freescale Semiconductor, Inc

33905 Datasheet(HTML) 17 Page - Freescale Semiconductor, Inc

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