OPA569 datasheet(4/28 Pages) TI1

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OPA569

SBOS264A

www.ti.com

ENABLE/SHUTDOWN INPUT (Pin 8)

Enable Pin Bias Current

VSD = 0V

0.2

µA

HIGH (Output enabled)

VSD

Pin Open or Forced HIGH

(V–) + 2.5

LOW (Output disabled)

VSD

Pin Forced LOW

(V–) + 0.8

Output Disable Time

RL = 1Ω

0.5

µs

Output Enable Time

RL = 1Ω

µs

THERMAL FLAG PIN (Pin 7)

Junction Temperature:

Alarm (Thermal Flag pin LOW)

Thermal Overstress

+147

°C

Return to Normal Operation (Thermal Flag pin HIGH)

Normal Operation

+130

°C

Thermal Flag Pin Voltage

Normal Operation Ipin 7 = +25µA(V+) – 0.8V

V+

During Thermal Overstress, Ipin 7 = –25µA

V–

(V–) + 0.8

CURRENT LIMIT FLAG PIN (Pin 4)

Current Limit Flag Pin Voltage

Normal Operation, Ipin 4 = +25µA(V+) – 0.8V

V+

During Current Limit, Ipin 4 = –25µAV–

(V–) + 0.8

POWER SUPPLY

Specified Voltage Range

+2.7

+5.5

Operating Voltage Range

+2.7

+5.5

Quiescent Current(10)

IO = 0, ILIMIT = 200mA, VS = 5V

+3.4

IO = 0, ILIMIT = 2A, VS = 5V

+11

Quiescent Current in Shutdown Mode

IO = 0, VSD = 0.8V, VS = 5V

+0.01

TEMPERATURE RANGE

Specified Range

Junction Temperature

–40

+85

°C

Operating Range

Junction Temperature

–55

+125

°C

Storage Range

–65

+150

°C

Thermal Resistance, Junction-to-Case

0.37

°C/W

Thermal Resistance, Junction-to-Ambient

2oz Trace and 9in2 Copper Pad

21.5

°C/W

with Solder

ELECTRICAL CHARACTERISTICS: VS = +2.7V to +5.5V (Cont.)

Boldface limits apply over the specified temperature range, TA = –40°C to +85°C.

At TCASE = +25°C, RL = 1kΩ, and connected to VS/2, unless otherwise noted.

OPA569

PARAMETER

CONDITION

MIN

TYP

MAX

UNITS

NOTE: (10) Quiescent current is a function of the current limit setting. See application section, “Adjustable Current Limit and Current Limit Flag Pin.”

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