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ZHCSQY3 march 2023 TPS546D24S

PRODUCTION DATA

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6.6 Typical Characteristics

V_PIN = V_AVIN = 12 V, T_A = 25°C, f_sw = 325 kHz (unless otherwise specified). Safe operating area curves were measured using a Texas Instruments evaluation module (EVM).

V_IN = 5 V	V_OUT = 1 V	Snubber = 1 nF + 1 Ω
f_SW = 325 kHz	L = 300 nH	R_BOOT = 0 Ω

Figure 6-1 TPS546D24S Safe Operating Area

V_IN = 12 V	V_OUT = 1 V	Snubber = 1 nF + 1Ω
f_SW = 325 kHz	L = 300 nH	R_BOOT = 0 Ω

Figure 6-3 TPS546D24S Safe Operating Area

V_IN = 12 V	V_OUT = 3.3 V	Snubber = 1 nF + 1Ω
f_SW = 325 kHz	L = 300nH	R_BOOT = 0 Ω

Figure 6-5 TPS546D24S Safe Operating Area

V_IN = 12 V	V_OUT = 5 V	Snubber = 1 nF + 1 Ω
f_SW = 325 kHz	L = 300 nH	R_BOOT = 0 Ω

Figure 6-7 TPS546D24S Safe Operating Area

V_IN = 5 V	L = 300 nH	Snubber = 1 nF + 1 Ω
f_SW = 325 kHz	R_DCR = 0.15 mΩ	R_BOOT = 0 Ω

Figure 6-9 TPS546D24S Efficiency vs Output Current

V_IN = 12 V	L = 300 nH	Snubber = 1 nF + 1 Ω
f_SW = 325 kHz	R_DCR = 0.15 mΩ	R_BOOT = 0 Ω

Figure 6-11 TPS546D24S Efficiency vs Output Current

Figure 6-13 Low-Side MOSFET On-Resistance (R_DS(on))
vs Junction Temperature

VOUT_COMMAND = 1 V

Figure 6-15 Output Voltage vs Junction Temperature

Figure 6-17 Non-Switching Input Current (I_AVIN)
vs Junction Temperature

I_BP1V5 = 2 mA

V_PVIN = V_AVIN= 12 V

Figure 6-19 BP1V5 Voltage vs Junction Temperature

(36h) VIN_OFF = 2.5 V

Figure 6-21 Turnoff Voltage vs Junction Temperature

V_IN = 5 V	V_OUT = 1 V	Snubber = 1 nF + 1 Ω
f_SW = 550 kHz	L = 300 nH	R_BOOT = 0 Ω

Figure 6-2 TPS546D24S Safe Operating Area

V_IN = 12 V	V_OUT = 1 V	Snubber = 1 nF + 1 Ω
f_SW = 550 kHz	L = 300 nH	R_BOOT = 0 Ω

Figure 6-4 TPS546D24S Safe Operating Area

V_IN = 12 V	V_OUT = 3.3 V	Snubber = 1 nF + 1 Ω
f_SW = 550 kHz	L = 300 nH	R_BOOT = 0 Ω

Figure 6-6 TPS546D24S Safe Operating Area

V_IN = 12 V	V_OUT = 5 V	Snubber = 1 nF + 1 Ω
f_SW = 550 kHz	L = 300 nH	R_BOOT = 0 Ω

Figure 6-8 TPS546D24S Safe Operating Area

V_IN = 5 V	L = 300 nH	Snubber = 1 nF + 1 Ω
f_SW = 550 kHz	R_DCR = 0.15 mΩ	R_BOOT = 0 Ω

Figure 6-10 TPS546D24S Efficiency vs Output Current

V_IN = 12 V	L = 300 nH	Snubber = 1 nF + 1 Ω
f_SW = 550 kHz	R_DCR = 0.15 mΩ	R_BOOT = 0 Ω

Figure 6-12 TPS546D24S Efficiency vs Output Current

Figure 6-14 High-Side MOSFET On-Resistance (R_DS(on))
vs Junction Temperature

Figure 6-16 Switching Frequency
vs Junction Temperature

I_VDD5 = 10 mA

V_PVIN = V_AVIN= 12 V

Figure 6-18 VDD5 Voltage vs Junction Temperature

(35h) VIN_ON = 2.75 V

Figure 6-20 Turnon Voltage vs Junction Temperature

Figure 6-22 EN/UVLO Thresholds vs Junction Temperature

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6.6 Typical Characteristics