LM2743

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SNVS276G – APRIL 2004 – REVISED MARCH 2013

Absolute Maximum Ratings

(1) (2)

-0.3 to 7V

BOOT Voltage

-0.3 to 21V

-0.3 to 9.5V

All other pins

Junction Temperature

150°C

Storage Temperature

−65°C to 150°C

Lead Temperature (soldering, 10sec)

260°C

Soldering Information

Infrared or Convection (20sec)

235°C

2 kV

(1)

Absolute maximum ratings indicate limits beyond which damage to the device may occur. Operating ratings indicate conditions for

which the device operates correctly. Operating Ratings do not imply specified performance limits.

(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.

Operating Ratings

3V to 6V

−40°C to +125°C

Thermal Resistance (

155°C/W

Electrical Characteristics

(1)

boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are specified by design,

test, or statistical analysis.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

FB Pin Voltage

0.588

0.6

0.612

V

UVLO Thresholds

Rising

2.76

V

Falling

2.42

1.0

1.5

2.1

Fsw = 600kHz

mA

1.0

1.7

2.1

Fsw = 600kHz

110

185

µA

PWGD Pin Response Time

6

µs

PWGD Pin Response Time

6

µs

SS Pin Source Current

7

10

14

µA

SS Pin Sink Current During Over

90

µA

Current

25

40

55

µA

ERROR AMPLIFIER

GBW

Error Amplifier Unity Gain

9

MHz

Bandwidth

G

Error Amplifier DC Gain

106

dB

SR

Error Amplifier Slew Rate

3.2

V/µs

EAO Pin Current Sourcing and

2.6

mA

Sinking Capability

9.2

Error Amplifier Output Voltage

Minimum

1

V

Maximum

2

V

(1)

external MOSFET.

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