米6体育平台手机版

ZHCSHY1 March 2018 CSD86356Q5D

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DMV|8
- MPSS092

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5.7 Typical Power Block Device Characteristics

T_J = 125°C, unless stated otherwise. The typical power block system characteristic curves and Figure 3 are based on measurements made on a PCB design with dimensions of 4 in (W) × 3.5 in (L) × 0.062 in (H) and 6 copper layers of 1-oz copper thickness. See Application and Implementation section for detailed explanation.

V_IN = 12 V	V_GS = 5 V	V_OUT = 1.3 V
ƒ_SW = 500 kHz	L_OUT = 0.3 µH

Figure 1. Power Loss vs Output Current

	V_IN = 12 V	V_GS = 5 V	V_OUT = 1.3 V
	ƒ_SW = 500 kHz	L_OUT = 0.3 µH

Figure 3. Typical Safe Operating Area (SOA)

V_IN = 12 V	V_GS = 5 V	V_OUT = 1.3 V
ƒ_SW = 500 kHz	L_OUT = 0.3 µH	I_OUT = 40 A

Figure 2. Normalized Power Loss vs Temperature

	V_IN = 12 V	V_GS = 5 V	V_OUT = 1.3 V
	L_OUT = 0.3 µH	I_OUT = 40 A

Figure 4. Normalized Power Loss vs Switching Frequency

	V_IN = 12 V	V_GS = 5 V	ƒ_SW = 500 kHz
	L_OUT = 0.3 µH	I_OUT = 40 A

Figure 6. Normalized Power Loss vs Output Voltage

	V_GS = 5 V	V_OUT = 1.3 V	L_OUT = 0.3 µH
	ƒ_SW = 500 kHz	I_OUT = 40 A

Figure 5. Normalized Power Loss vs Input Voltage

	V_IN = 12 V	V_GS = 5 V	V_OUT = 1.3 V
	ƒ_SW = 500 kHz	I_OUT = 40 A

Figure 7. Normalized Power Loss vs Output Inductance