13892 datasheet(25/161 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

13892

ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

Table 6. Dynamic Electrical Characteristics

Characteristics noted under conditions 3.1 V

≤ BATT ≤ 4.65 V, -30 ≤ TA ≤ 85 °C, GND = 0 V, 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

32 KHZ CRYSTAL OSCILLATOR

RTC oscillator start-up time

Upon application of power

tRTCST

1.0

Sec

CLK32K Rise and Fall Time - CL = 50 pF

CLK32KDRV[1:0] = 00 (default)

CLK32KDRV[1:0] = 01

CLK32KDRV[1:0] = 10

CLK32KDRV[1:0] = 11

tCLK32KET

High Z

CLK32KMCU Rise and Fall Time

CL = 12 pF

tCLK32KMCUET

CLK32K and CLK32KMCU Output Duty Cycle

Crystal on XTAL1, XTAL2 pins

tCLK32KDC,

tCLK32KMCUDC

CLK AND MISO

MISO Rise and Fall Time, CL = 50 pF, SPIVCC = 1.8 V

SPIDRV [1:0] = 00 (default)

SPIDRV [1:0] = 01

SPIDRV [1:0] = 10

SPIDRV [1:0] = 11

tMISOET

6.0

High Z

BUCK CONVERTERS

Turn-on Time, Enable to 90% of end value, IL = 0

tONPWM

500

µs

SWBST

Turn-on Time

Enable to 90% of VOUT, IL = 0

tONBST

2.0

Transient Load Response, IL from 1.0 mA to 100 mA in 1.0 µs steps

Maximum transient Amplitude

Time to settle 80% of transient

ATMAX

300

500

µs

Transient Load Response, IL from 100 mA to 1.0 mA

Maximum transient Amplitude

Time to settle 80% of transient

ATMAX

300

µs

VVIDEO ACTIVE MODE - AC

PSRR - IL = 75% of ILMAX, 20 Hz to 20 kHz

VIN = VINMIN + 100 mV

VIN = VNOM + 1.0 V

VVIDEOPSSR

Max Output Noise - VIN = VINMIN, IL = 75% of ILMAX

100 Hz – 1.0 kHz

>1.0 kHz – 10 kHz

>10 kHz – 1.0 MHz

VVIDEOON

-114

-124

-129

dBV/

√Hz

Turn-on Time

Enable to 90% of end value, VIN = VINMIN, VINMAX, IL = 0

VVIDEOtON

1.0

13892 Datasheet(PDF) 25 Page - Freescale Semiconductor, Inc

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