LTC2934

3

2934f

ELECTRICAL CHARACTERISTICS

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

l

1.6

5.5

V

l

225

500

1000

nA

Threshold Adjustment Inputs: ADJ, PFI

Input Threshold (Monitored Voltage Falling)

l

394

400

406

mV

ADJ to PFI Threshold Matching

l

±2

±8

mV

Reset Threshold Hysteresis

(Monitored Voltage Rising)

l

18

20

25

mV

Power-Fail Threshold Hysteresis

(Monitored Voltage Rising)

l

810

15

mV

Undervoltage Detect to RST or PFO Falling

1

ms

Threshold Adjustment Input Leakage Current

l

0.1

±1

nA

Control Inputs: MR, RT

Control Input Threshold

RT

MR

l

l

0.4

1.4

V

V

Input Pulse Width

MR

l

20

μs

Propagation Delay to RST Falling

Manual Reset Falling

l

25

20

μs

Internal Pull-Up Resistance

MR

l

600

900

1200

kΩ

Input Leakage Current (RT Input)

l

±1

±10

nA

Reset and Power Fail Outputs: RST, PFO

Voltage Output Low

l

l

25

50

100

150

mV

mV

Voltage Output High (LTC2934-2)

–200μA Pull-Down Current

l

V

Leakage Current, Output High (LTC2934-1)

l

±1

±10

nA

Reset Timeout Period

RT Input High

RT Input Low

l

l

140

10

200

15

260

25

ms

ms

The

Note 2. All currents into pins are positive, all voltages are referenced to

GND unless otherwise noted.

Note 3. Guaranteed by design. Characterized, but not production tested.