米6体育平台手机版

ZHCSD24B October 2014 – June 2024 TPS61169

PRODUCTION DATA

7.3 Application Curves

Typical application condition is as in Figure 7-1, V_IN = 3.6V, R_SET = 10.2Ω, L = 4.7µH, C_OUT = 1µF, 10 LEDs in series (unless otherwise specified).

Typical application condition is as in Figure 7-1, V_IN = 3.6V, R_SET = 10.2Ω, L = 4.7µH, C_OUT = 1µF, 10 LEDs in series (unless otherwise specified). TPS61169 Efficiency vs Dimming Duty Cycle

TPS61169 Efficiency vs Dimming Duty Cycle

Figure 7-2 Efficiency vs Dimming Duty Cycle. Typical application condition is as in Figure 7-1, V_IN = 3.6V, R_SET = 10.2Ω, L = 4.7µH, C_OUT = 1µF, 10 LEDs in series (unless otherwise specified).

	8 LEDs in series

Figure 7-4 Efficiency vs Dimming Duty Cycle

	Time = 1µs/DIV

Figure 7-6 Switching-Dimming Duty = 100%

	Time = 2µs/DIV

Figure 7-8 Switching-Dimming Duty = 10%

	Time = 2ms/DIV

Figure 7-10 Start-Up Dimming Duty = 50%

	Time = 2ms/DIV
	Duty = 50%

Figure 7-12 Shutdown Dimming

		Time = 50µs/DIV

Figure 7-14 Open LED Protection

	10 LEDs in series

Figure 7-3 Efficiency vs Dimming Duty Cycle

	6 LEDs in series

Figure 7-5 Efficiency vs Dimming Duty Cycle

	Time = 1µs/DIV

Figure 7-7 Switching-Dimming Duty = 50%

	Time = 2ms/DIV

Figure 7-9 Start-Up Dimming Duty = 100%

	Time = 2ms/DIV

Figure 7-11 Shutdown Dimming Duty = 100%

	Time = 5ms/DIV
	Duty = 1%-100%-1%

Figure 7-13 Dimming Transient-Dimming