米6体育平台手机版

ZHCSJB3 January 2019 TPS54560B

PRODUCTION DATA.

T_J = –40°C to +150°C, V_IN = 4.5 V to 60 V (unless otherwise noted)

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
SUPPLY VOLTAGE (VIN PIN)
	Operating input voltage		4.5		60	V
	Internal undervoltage lockout threshold	Rising	4.1	4.3	4.48	V
	Internal undervoltage lockout threshold hysteresis			325		mV
	Shutdown supply current	EN = 0 V, 25°C, 4.5 V ≤ V_IN ≤ 60 V		2.25	4.5	μA
	Operating: nonswitching supply current	FB = 0.9 V, T_A = 25°C		146	175	μA
ENABLE AND UVLO (EN PIN)
	Enable threshold voltage	No voltage hysteresis, rising and falling	1.1	1.2	1.3	V
	Input current	Enable threshold +50 mV		–4.6		μA
	Input current	Enable threshold –50 mV	–0.58	–1.2	-1.8	μA
	Hysteresis current		–2.2	–3.4	-4.5	μA
VOLTAGE REFERENCE
	Voltage reference		0.792	0.8	0.808	V
HIGH-SIDE MOSFET
	On-resistance	V_IN = 12 V, BOOT-SW = 6 V		92	190	mΩ
ERROR AMPLIFIER
	Input current			50		nA
	Error amplifier dc gain	V_FB = 0.8 V		10,000		V/V
	Min unity gain bandwidth			2500		kHz
	Error amplifier source/sink	V_(COMP) = 1 V, 100 mV overdrive		±30		μA
	COMP to SW current transconductance			17		A/V
CURRENT LIMIT
	Current limit test	All V_INand temperatures, open loop⁽¹⁾	6.3	7.9	9.5	A
		All temperatures, V_IN = 12 V, open loop⁽¹⁾	6.3	7.9	9.5
		V_IN = 12 V, T_A = 25°C, Open Loop⁽¹⁾	7	7.9	8.8
THERMAL SHUTDOWN
	Thermal shutdown			176		°C
	Thermal shutdown hysteresis			12		°C
TIMING RESISTOR AND EXTERNAL CLOCK (RT/CLK PIN)
	Switching frequency range using RT mode		100		2500	kHz
f_SW	Switching frequency	R_T = 200 kΩ	450	500	550	kHz
	Switching frequency range using CLK mode		160		2300	kHz
	RT/CLK high threshold			1.55	2	V
	RT/CLK low threshold		0.5	1.2		V

(1) Open loop current limit measured directly at the SW pin and is independent of the inductor value and slope compensation.