LM2727, LM2737

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SNVS205D – AUGUST 2002 – REVISED MARCH 2013

Absolute Maximum Ratings

(1) (2)

7V

BOOTV

21V

Junction Temperature

150°C

Storage Temperature

−65°C to 150°C

Soldering Information

Lead Temperature (soldering, 10sec)

260°C

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. Opearting Ratings do not imply ensured 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 100pF capacitor discharged through a 1.5k resistor into each pin.

Operating Ratings

4.5V to 5.5V

Junction Temperature Range

−40°C to +125°C

Thermal Resistance (

155°C/W

Electrical Characteristics

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

test, or statistical analysis.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

0.591

0.6

0.609

0.591

0.6

0.609

0.591

0.6

0.609

FB Pin Voltage

V

0.589

0.6

0.609

0.589

0.6

0.609

0.589

0.6

0.609

UVLO Thresholds

Rising

4.2

V

Falling

3.6

SD = 5V, FB = 0.55V

1

1.5

2

Fsw = 600kHz

mA

SD = 5V, FB = 0.65V

0.8

1.7

2.2

Fsw = 600kHz

SD = 0V

0.15

0.4

0.7

mA

PWGD Pin Response Time

FB Voltage Going Up

6

µs

PWGD Pin Response Time

FB Voltage Going Down

6

µs

SD Pin Internal Pull-up Current

20

µA

SS Pin Source Current

SS Voltage = 2.5V

0°C to +125°C

8

11

15

µA

-40°C to +125°C

5

11

15

SS Pin Sink Current During Over

SS Voltage = 2.5V

95

µA

Current

0°C to +125°C

35

50

65

µA

-40°C to +125°C

28

50

65

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