LTC9101-3/LTC9103

5

Rev. 0

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ELECTRICAL CHARACTERISTICS The

l

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. AGND – VEE = 55V and VDD – DGND = 3.3V unless otherwise noted.

(Notes 3 and 4)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Current Sense

VLIM

Active Current Limit

OUTn – VEE < 10V

Class 0 – Class 3

Class 4

40

80

42.5

85

45

90

mV

mV

VINRUSH

Active Current Limit, Inrush

OUTn – VEE < 30V (Note 14)

40

42.5

45

mV

VHOLD

DC Disconnect Sense Voltage

SENSEn – VSSK

l

500

700

900

µV

VSC

Short-Circuit Sense

SENSEn – VSSKn – VLIM

60

mV

Digital Interface

VILD

Digital Input Low Voltage

LEGACY, RESET, CFGn (Note 6)

l

0.8

V

I2C Input Low Voltage

SCL, SDAIN (Note 6)

l

1.0

V

VIHD

Digital Input High Voltage

(Note 6)

l

2.2

V

Digital Output Low Voltage

ISDAOUT = 3mA, IOVR = 3mA

ISDAOUT = 5mA, IOVR = 5mA

l

l

0.4

0.7

V

V

LED Driver Output Pull-Up to VDD

SC, SD, PC

l

46

50

58

kΩ

LED Driver Output Pull-Down to DGND

SC, SD, PC

l

46

50

58

kΩ

LED Shift Driver Clock Frequency

(Note 7)

40

kHz

Parallel Capture Clock Frequency

(Note 7)

526

Hz

tPC_CLK

Parallel Capture Clock Period

(Note 7)

1.9

ms

Internal Pull-Up to VDD

LEGACY, RESET, CFG2

50

kΩ

Internal Pull-Down to DGND

CFG0

50

kΩ

EXT3 Pull-Down to VEE

50

kΩ

IDn Internal Pull-Up to CAP4

V(IDn) = 0V

5

μA

PSE Timing Characteristics (Note 7)

tDET

Detection Time

Beginning to End of Detection

l

380

500

ms

tCEV

Class Event Duration

l

6

15

20

ms

tCEVON

Class Event Turn On Duration

CPORT = 0.6μF

l

0.1

ms

tCLASS

Class Event ICLASS Measurement Timing

l

6

ms

tME1

Mark Event Duration (Except Last Mark Event) (Note 10)

l

6

9.6

12

ms

tME2

Last Mark Event Duration

(Note 10)

l

6

20

ms

tPON

Power On Delay

From End of Valid Detect to End of Valid

Inrush

l

400

ms

tED

Fault Delay

From Power On Fault to Next Detect

l

2.4

3

3.6

s

tSTART

Maximum Current Limit Duration During

Inrush

l

50

60

75

ms

tCUT

Maximum Overcurrent Duration After Inrush

l

50

60

75

ms

Maximum Overcurrent Duty Cycle

l

5.8

6.3

6.7

%

tLIM

Maximum Current Limit Duration After Inrush

l

10

15

20

ms

tMPS

Maintain Power Signature (MPS) Pulse Width

Sensitivity

Current Pulse Width to Reset Disconnect

Timer (Note 8)

l

6

ms

tDIS

Maintain Power Signature (MPS) Dropout

Time

(Note 5)

l

320

370

400

ms

Minimum Pulse Width for RESET

l

4.5

µs