LM3279_16 datasheet(10/37 Pages) TI1

10 / 37 page

400 ns/DIV

2V/DIV

SW2

2V/DIV

SW1

20 mV/DIV

AC_Vout

LM3279

SNVS970C – MARCH 2013 – REVISED OCTOBER 2014

www.ti.com

Typical Performance Characteristics (continued)

(PVIN = EN = 3.6 V and TA = 25°C, unless otherwise noted)

No Load, RFFE Digital Control Mode

VOUT = 1.5 V

Figure 9. VSET_CTRL Voltage vs Output Voltage

Figure 10. Auto Efficiency Mode

VOUT = 2.5 V

VOUT = 3.4 V

Figure 11. Auto Efficiency Mode

Figure 12. Auto Efficiency Mode

VOUT = 3.45 V

PVIN = 3.37 V

LOAD = 500 mA

VOUT = 0.8 ↔ 2 V

PVIN = 3.8 V

RLOAD = 20 Ω

Figure 14. Boost Mode Operation

Figure 13. VOUT Transient

10

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