34652 datasheet(7/26 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

34652

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

DISABLE INPUT CONTROL PIN (DISABLE) (12)

DISABLE Input Voltage

Inactive State

Active State, Positive Signal

Active State, Negative Signal

VDISL

VDISHP

VDISHN

VPWR - 1.2

VPWR + 2.0

—

VPWR + 1.2

—

VPWR - 2.0

DISABLE Input Current

VDIS = VPWR + 3.3 V

VDIS = VPWR - 3.3 V

VDIS = VIN

IDIS

-20

-50

-60

-150

180

-180

-250

µA

CURRENT LIMIT CONTROL PINS (ILIM, ICHG)

Overcurrent Limit in Steady State

Default

Maximum with External Resistor

Minimum with External Resistor

ILIM

—

1.0

2.25

0.35

—

Current Limit During Start-Up

Default

Maximum with External Resistor

Minimum with External Resistor

ICHG

—

0.1

0.5

0.05

—

Short Circuit Current Limit

ISHORT

—

5.0

—

ILIM Current Limit Hysteresis

ILIMHY

—

ILIM Current Limit Accuracy

ILIMCLA

-20

—

ICHG Current Limit Accuracy

ICHGCLA

-35

—

ILIM Pin Voltage

VILIM

—

3.1

—

ILIM to RILIM Setting Constant

ILIMCNS

—

129

—

A * kΩ

ICHG Reference Current

ICHGOUT

—

-8.0

—

µA

ICHG to RICHG Setting Constant

ICHGCNS

—

335

—

Ω/A

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

Power Good Output Low Voltage

IPG or IPG = 1.6 mA

VPGL

—

0.5

Power Good Leakage Current

IPGLG

—

µA

Power Good Current Limit

VPG or VPG = 3.0 V

IPGCL

—

7.0

Notes

12.

Referenced to VPWR.

13.

Referenced to VIN.

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

Symbol

Min

Typ

Max

Unit

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