LM2754

SNVS463A – SEPTEMBER 2006 – REVISED MAY 2013

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Electrical Characteristics

(1) (2)

range (-40°C to +125 °C). Unless otherwise noted, specifications apply to the LM2754 Typical Application Circuit (pg.1) with

(3)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

−3.5%

1.244

+3.5%

V

LED Current to Set Current

−7%

795

+7%

mA/mA

−11.5%

820

+11.5%

Current Sink Headroom

550

mV

150

Output Voltage

4.7

V

4.7

5.1

Output Impedance

1x Mode

0.25

Ω

1.5x Mode

1.3

2x Mode

1.5

Quiescent Supply Current

0.7

mA

3.4

6.3

8

Shutdown Supply Current

0.1

1

µA

Switching Frequency

0.7

1

1.3

MHz

Logic Input High

Input Pins: EN, T/F, TX, SEL

1.2

V

Logic Input Low

Input Pins: EN, T/F, TX, SEL

0.4

4

µA

0.5

µA

(1)

All voltages are with respect to the potential at the GND pin.

(2)

Min and Max limits are specified by design, test, or statistical analysis. Typical numbers represent the most likely norm.

(3)

(4)

(5)

compromised.

(6)

There is a 500k

Ω resistor connected internally between each logic pin (EN, T/F, TX, SEL) and GND.

4

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