LX6433 datasheet(2/6 Pages) MICROSEMI

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PRODUCTION DATA SHEET

Microsemi

Analog Mixed Signal Group

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 2

Rev. 1.1, 2009-02-11

LX6433

Precision Voltage Monitor

ABSOLU TE MA XI MUM RA TINGS

Input Voltage (IN) ............................................................................................-0.3V to 7.0V

Monitor (VMON) .............................................................................................-0.3V to 7.0V

RESET to GND ....................................................................................-0.3V to (VIN + 0.3V)

Operating Temperature Range.....................................................................-40

°C to +125°C

Storage Temperature Range, TA .................................................................... -65°C to 150°C

Maximum Junction Temperature..................................................................................150

°C

RoHS / Pb-free Peak Package Solder Reflow Temperature

(40 seconds maximum exposure) .................................................................... 260

°C (+0,-5)

Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to

Ground. Currents are positive into, negative out of specified terminal.

THERMA L DATA

SE Plastic SOT-23 5-Pin

THERMAL RESISTANCE

-JUNCTION TO AMBIENT,

300

°C/W

Junction Temperature Calculation: TJ = TA + (PD x θJA).

The

JA numbers are guidelines for the thermal performance of the device/pc-board system. All of

the above assume no ambient airflow.

PACKAG E PIN O U T

VIN

VMON

GND

RESET

N.C.

SE PACKAGE

(Top View)

RoHS / Pb-free 100% Matte Tin Pin Finish

FUNCTIO N AL PIN DESCRI PTION

NAME

DESCRIPTION

VIN

Supply voltage, Operational From 3.0V to 6.0V.

VMON

Monitored input of 1.2V supply.

GND

Circuit ground.

RESET

Output pin, low level indicates fault mode.

ELEC TRI CAL CHA RACTERI STIC S

Specifications apply over the ambient temperature of: 0

oC < T < 85°C for V

IN = 5V (except where otherwise noted). Typical values are at TA=25°C.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Operating Range

VINOP

Functional operation (correct logic state for

RESET)

3.0

6.0

Reset High

VMONTH+

VMON rising, RESET = high (after timeout

cycle is completed)

1.085

Reset Low

VMONTH-

VMON falling, RESET = low

1.125

RESET Pulse Duration

RESET PW

Time RESET remains low after VMON rises

above the threshold

100

150

Quiescent Current (Ground Pin)

RESET Open

µA

VMON

TRANSIENT

RESET unchanged for VMON drop below

VMONTH-

µS

VMON Transient Filter

VMON

TRIGGER PW

RESET activated for momentary dip in VMON

below VMONTH-

µS

RESET VOUT LOW

VOL

ISINK = 10mA, VIN = 5V ± 10%

.05

0.4

RESET VOUT LOW

VOL

ISINK = 20mA, VIN = 5V ±10% TA 0°C to 70°C

.05

0.4

RESET Leakage

ILKG

VMON > 1.2V, VRESET = 5V

.02

µA

RESET DELAY after Trigger

TDELAY

Time from VMON falling below threshold to

RESET going low, VMON overdrive of 50mV.

µS

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