LM3711 datasheet(4/19 Pages) TI1

부품명	LM3711

상세설명	LM3710/LM3711 Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output, Manual Reset and Watchdog Timer

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LM3710, LM3711

SNVS150E – NOVEMBER 2000 – REVISED MARCH 2013

www.ti.com

Absolute Maximum Ratings

(1) (2)

Supply Voltage (VCC)

−0.3V to 6.0V

All Other Inputs

−0.3V to VCC + 0.3V

ESD Ratings (3)

Human Body Model

1.5kV

Machine Model

150V

Power Dissipation

(4)

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for

which the device is intended to be functional, but do not ensure specific performance limits. For ensured specifications and test

conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance

characteristics may degrade when the device is not operated under the listed conditions.

(2)

If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and

specifications.

(3)

The Human Body model is a 100 pF capacitor discharged through a 1.5 k

Ω resistor into each pin. The machine model is a 200pF

capacitor discharged directly into each pin.

(4)

The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal

resistance,

θJ-A, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperture is calculated

using:

Where the value of

θJ-A for the VSSOP-10 package is 195°C/W in a typical PC board mounting and the DSBGA package is 220°C/W.

Operating Ratings

(1)

Temperature Range

−40°C ≤ TJ ≤ 85°C

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for

which the device is intended to be functional, but do not ensure specific performance limits. For ensured specifications and test

conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance

characteristics may degrade when the device is not operated under the listed conditions.

LM3710/LM3711 Series Electrical Characteristics

Limits in the standard typeface are for TJ = 25°C and limits in boldface type apply over full operating range. Unless otherwise

specified: VCC = +2.2V to 5.5V.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

POWER SUPPLY

VCC

Operating Voltage

LM3710

1.0

5.5

V

Range: VCC

LM3711

1.2

5.5

ICC

VCC Supply Current

All inputs = VCC; all outputs floating

28

50

µA

RESET THRESHOLD

VRST

Reset Threshold

VCC falling

−0.5

+0.5

−2

+2

VRST

%

VCC falling: TA = 0°C to 70°C

−1.5

+1.5

VRSTH

Reset Threshold

0.0032•VRST

mV

Hysteresis

tRP

Reset Timeout Period Reset Timeout Period = E, J, N, S

1

1.4

2

Reset Timeout Period = F, K, P, T

20

28

40

ms

Reset Timeout Period = G, L, Q, U

140

200

280

Reset Timeout Period = H, M, R, V

1120

1600

2240

tRD

VCCto Reset Delay

VCCfalling at 1mV/µs

20

µs

RESET (LM3711)

VOL

RESET

VCC > 2.25V, ISINK = 900µA

0.3

VCC > 2.7V, ISINK = 1.2mA

0.3

V

VCC > 4.5V, ISINK = 3.2mA

0.4

VOH

RESET

VCC > 1.2V, ISOURCE = 50µA

0.8 VCC

VCC > 1.8V, ISOURCE = 150µA

0.8 VCC

VCC > 2.25V, ISOURCE = 300µA

0.8 VCC

V

VCC > 2.7V, ISOURCE = 500µA

0.8 VCC

VCC > 4.5V, ISOURCE = 800µA

VCC − 1.5V

4

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