10XSC425 datasheet(19/56 Pages) FREESCALE

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Analog Integrated Circuit Device Data



Freescale Semiconductor

10XSC425

POWER OUTPUT TIMING HS0 TO HS3 (CONTINUED)

SRR10

HS[2,3] Output Overcurrent Detection Levels (6.0 V < VHS[0:3] < 20 V)

400

900

1600

mV/

s

SRF10

HS[2,3] Output Overcurrent Detection Levels (6.0 V < VHS[0:3] < 20 V)

400

1140

1600

mV/

s

tDLY_ON

HS[2,3] Output Overcurrent Detection Levels (6.0 V < VHS[0:3] < 20 V)

160

s

tDLY_OFF

HS[2,3] Output Overcurrent Detection Levels (6.0 V < VHS[0:3] < 20 V)

s

tRF

HS[2,3] Output Overcurrent Detection Levels (6.0 V < VHS[0:3] < 20 V)

110

s

tFAULT

Fault Detection Blanking Time

1.0

5.0

s

(30)

tDETECT

Output Shutdown Delay Time

–

7.0

s

(31)

tCNSVAL

CSNS Valid Time

–

100

s

(32)

tWDTO

Watchdog Timeout

217

310

400

(33)

TOLD(LED) ON OpenLoad Fault Cyclic Detection Time with LED

105

150

195

Notes

30.

Time necessary to report the fault to FSB pin.

31.

Time necessary to switch-off the output in case of OT, or OC, or SC, or UV fault detection (from negative edge of FSB pin to HS

voltage = 50% of VPWR.

32.

Time necessary for CSNS to be within ±5.0% of the targeted value (from HS voltage = 50% of VPWR to ±5.0% of the targeted CSNS

value).

33.

For FSI open, the Watchdog timeout delay measured from the rising edge of RST, to HS[0,2] output state depend on the corresponding

input command.

Table 5. Dynamic Electrical Characteristics (continued)

Characteristics noted under conditions 6.0 V

VPWR  20 V, 3.0 V  VDD  5.5 V, -40 C  TA  125 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.

Symbol

Characteristic

Min

Typ

Max

Unit

Notes

10XSC425 Datasheet(PDF) 19 Page - Freescale Semiconductor, Inc

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