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Fabricante

34652

2.0 A Negative Voltage Hot Swap Controller with Enhanced Programmability

Freescale Semiconductor 

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Table 3. Static Electrical Characteristics (continued)

Characteristics noted under conditions 15 V ≤ VPWR ≤ 80 V and -40°C ≤ TA ≤ 85°C. All voltages are referenced to VIN unless

otherwise noted.

Characteristic

DISABLE INPUT CONTROL PIN (DISABLE) (12)

Symbol

Min

Typ

Max

Unit

DISABLE Input Voltage

Inactive State

Active State, Positive Signal

Active State, Negative Signal

DISABLE Input Current

VDIS = VPWR + 3.3 V

VDIS = VPWR - 3.3 V

VDIS = VIN

V

VDISL

VPWR - 1.2

—

VPWR + 1.2

VDISHP

VPWR + 2.0

—

—

VDISHN

—

—

VPWR - 2.0

IDIS

µA

20

60

180

-20

- 60

-180

- 50

-150

- 250

CURRENT LIMIT CONTROL PINS (ILIM, ICHG)

Overcurrent Limit in Steady State

Default

Maximum with External Resistor

Minimum with External Resistor

Current Limit During Start-Up

Default

Maximum with External Resistor

Minimum with External Resistor

Short Circuit Current Limit

ILIM Current Limit Hysteresis

ILIM Current Limit Accuracy

ICHG Current Limit Accuracy

ILIM Pin Voltage

ILIM to RILIM Setting Constant

ICHG Reference Current

ICHG to RICHG Setting Constant

POWER GOOD OUTPUT PINS (PG, PG) (13)

ILIM

—

—

—

ICHG

—

—

—

ISHORT

—

ILIMHY

—

ILIMCLA

-20

ICHGCLA

- 35

VILIM

—

ILIMCNS

—

ICHGOUT

—

ICHGCNS

—

1.0

2.25

0.35

0.1

0.5

0.05

5.0

12

—

—

3.1

129

- 8.0

335

A

—

—

—

A

—

—

—

—

A

—

%

20

%

35

%

—

V

—

A * kΩ

—

µA

—

kΩ/A

Power Good Output Low Voltage

IPG or IPG = 1.6 mA

Power Good Leakage Current

Power Good Current Limit

VPG or VPG = 3.0 V

VPGL

V

—

—

0.5

IPGLG

—

—

10

µA

IPGCL

mA

—

—

7.0

Notes

12. Referenced to VPWR.

13. Referenced to VIN.

Analog Integrated Circuit Device Data

Freescale Semiconductor

34652

7

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