LM2772 datasheet(5/16 Pages) TI1

Part #	LM2772

Description	Low-Ripple Switched Capacitor Step-Down Regulator

PDF	16 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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5 / 16 page

LM2772

www.ti.com

SNVS486A – DECEMBER 2006 – REVISED MARCH 2007

Typical Performance Characteristics

Unless otherwise specified: VIN = 3.6V, CIN = C1 = C2 = C3 = 1.0µF, COUT = 4.7µF, TA = 25ºC. Capacitors are low-ESR multi-

layer ceramic capacitors (MLCC's).

Output Voltage

vs.

Input Voltage

Output Current

Figure 2.

Figure 3.

Efficiency

vs.

Input Voltage

Operating Supply Current

Figure 4.

Figure 5.

Input and Output Voltage Ripple, Load = 150mA

Load Step 10mA to 150mA, VIN = 3.6V

CH1: VIN, Scale: 50mV/Div, AC Coupled

CH3: VOUT; Scale: 50mV/Div, AC Coupled

CH3: VOUT, Scale: 10mV/Div, AC Coupled

CH4: IOUT; Scale: 100mA/Div

Time scale: 1µs/Div

Time scale: 40µs/Div

Figure 6.

Figure 7.

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LM2772 Datasheet(PDF) 5 Page - Texas Instruments