LM3281 datasheet(17/26 Pages) TI1

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VOUT (V)

100 mV/DIV

Load Current

(mA)

500 mA/DIV

Time (20 µs/DIV)

VOUT (V)

100 mV/DIV

Load Current

(mA)

500 mA/DIV

Time (20 µs/DIV)

VOUT (V)

100 mV/DIV

Load Current

(mA)

500 mA/DIV

Time (20 µs/DIV)

VOUT (V)

200 mV/DIV

Load Current

(mA)

1 A/DIV

Time (20 µs/DIV)

VIN (V)

500 mV/DIV

VOUT (V)

50 mV/DIV

Time (100 µs/DIV)

VIN (V)

500 mV/DIV

VOUT (V)

500 mV/DIV

Time (100 µs/DIV)

LM3281

www.ti.com

SNVSA38 – NOVEMBER 2014

8.2.3 Application Curves

3.8 V

→ 4.2V → 3.8 V

IOUT = 600 mA

3.2 V

→ 3.8 V → 3.2 V

IOUT = 600 mA

Figure 18. Line Transient Response

Figure 19. Line Transient Response: Bypass Region

PWM-PWM 150 mA

→ 600 mA → 150 mA

PWM-PWM Heavy Step 150 mA

→1200 mA → 150 mA

Figure 20. Load Transient Response

Figure 21. Load Transient Response

ECO-PWM-ECO 30 mA

→ 600 mA → 30 mA

Forced PWM 30 mA

→ 600 mA → 30 mA

Figure 22. Load Transient Response

Figure 23. Load Transient Response

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