LTC9101-2/LTC9102

4

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

Classification Threshold

SENSEn – VSSKn (Note 15)

Class Signature 0 to 1

Class Signature 1 to 2

Class Signature 2 to 3

Class Signature 3 to 4

Class Signature 4 to Overcurrent

l

l

l

l

l

0.5

1.3

2.1

3.1

4.5

0.65

1.45

2.3

3.3

4.8

0.8

1.6

2.5

3.5

5.1

mV

mV

mV

mV

mV

VMARK

Classification Mark State Voltage

AGND – OUTn, SENSEn – VSSKn < 5mV

l

7.5

9

10

V

Mark State Current Compliance

OUTn = AGND

l

7

8

9

mV

Gate Driver

GATE Pin Pull-Down Current

Port Off, GATEn = VEE + 5V

1

mA

GATE Pin Fast Pull-Down Current

GATEn = VEE + 5V

65

mA

GATE Pin On Voltage

GATEn – VEE, IGATEn = 1µA

l

11

14

V

Output Voltage Sense

VPG

Power Good Threshold Voltage

OUTn – VEE

l

2

2.4

2.8

V

OUT Pin Pull-Up Resistance to AGND

Port On

Port Off

l

300

2500

500

700

kΩ

kΩ

Current Sense

VLIM-2P

Active Current Limit,

Single-Signature PD

OUTn – VEE < 10V

Class 1 to Class 3

Class 4 to Class 6

Class 7

Class 8

l

l

l

l

40

80

100

110

42.5

85

106

117

45

90

112

124

mV

mV

mV

mV

Active Current Limit,

Dual-Signature PD

OUTn – VEE < 10V

Class 1 to Class 3

Class 4

Class 5

l

l

l

40

80

110

42.5

85

117

45

90

124

mV

mV

mV

VINRUSH-2P

Active Current Limit, Inrush

OUTn – VEE < 30V (Note 16)

Single-Signature, Class 1 to 4, 4-Pair Power

All Others

l

l

20

40

21.3

42.5

22.5

45

mV

mV

VHOLD-2P

DC Disconnect Sense Voltage

SENSEn – VSSKn

Single-Signature Class 1 to 4, 4-Pair Power

Single-Signature Class 1 to 4, 2-Pair Power

Single-Signature Class 5 to 8, 4-Pair Power

Dual Signature, 2-Pair or 4-Pair Power

l

l

l

l

200

500

200

200

350

700

350

350

500

900

700

700

µV

µV

µV

µV

VSC

Short-Circuit Sense

SENSEn – VSSKn – VLIM-2P

60

mV

Port Current Readback (See Typical Performance Characteristics, Note 17)

Full-Scale Range

(Notes 7, 15)

204.6

mV

LSB Weight

|SENSEn – VSSKn|, VSSKn = VEE (Note 15)

24.98

μV/LSB

Conversion Period

1.967

ms

VEE Readback (See Typical Performance Characteristics, Note 17)

Full-Scale Range

(Note 7)

82

V

LSB Weight

|AGND – VEE|

10.01

mV/LSB

Conversion Period

1.967

ms