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ZHCSBQ9C October 2013 – January 2021 TPS62085 , TPS62086 , TPS62087

PRODUCTION DATA

封裝選項

機械數據 (封裝 | 引腳)

RLT|7
- MPQF370B

散熱焊盤機械數據 (封裝 | 引腳)

訂購信息

7.5 Electrical Characteristics

T_J = –40 °C to 125 °C, and V_IN = 3.6 V. Typical values are at T_J = 25 °C, unless otherwise noted.

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
SUPPLY
V_IN	Input voltage range		2.5		6	V
I_Q	Quiescent current into VIN	No load, device not switching T_J = –40 °C to 85 °C, V_IN = 2.5 V to 5.5 V		17	25	μA
I_SD	Shutdown current into VIN	EN = Low, T_J = –40 °C to 85 °C, V_IN = 2.5 V to 5.5 V		0.7	5	μA
V_UVLO	Undervoltage lockout threshold	V_IN falling	2.1	2.2	2.3	V
V_UVLO	Undervoltage lockout hysteresis	V_IN rising		200		mV
T_JSD	Thermal shutdown threshold	T_J rising		150		°C
T_JSD	Thermal shutdown hysteresis	T_J falling		20		°C
LOGIC INTERFACE EN
V_IH	High-level input voltage	V_IN = 2.5 V to 6.0 V	1.0			V
V_IL	Low-level input voltage	V_IN = 2.5 V to 6.0 V			0.4	V
I_EN,LKG	Input leakage current into EN pin	EN = High		0.01	0.16	μA
R_PD	Pulldown resistance at EN pin	EN = Low		400		k?
SOFT START, POWER GOOD
t_SS	Soft-start time	Time from EN high to 95% of V_OUT nominal		0.8		ms
V_PG	Power good threshold	V_OUT rising, referenced to V_OUT nominal	93%	95%	98%
V_PG	Power good threshold	V_OUT falling, referenced to V_OUT nominal	88%	90%	93%
V_PG,OL	Low-level output voltage	I_sink = 1 mA			0.4	V
I_PG,LKG	Input leakage current into PG pin	V_PG = 5.0 V, T_J = –40 °C to 85 °C		0.01	0.16	μA
I_PG,LKG	Input leakage current into PG pin	V_PG = 5.0 V		0.01	0.25	μA
OUTPUT
V_OUT	Output voltage range, TPS62085		0.8		V_IN	V
	Output voltage accuracy, TPS62086, TPS62087⁽¹⁾	I_OUT = 1 A, V_IN ≥ V_OUT + 1 V, PWM mode	–1.0%		1.0%
	Output voltage accuracy, TPS62086, TPS62087⁽¹⁾	I_OUT = 0 A, V_IN ≥ V_OUT + 1 V, PSM mode	–1.0%		2.1%
V_FB	Feedback regulation voltage⁽¹⁾⁽²⁾	I_OUT = 1A , V_IN ≥ V_OUT + 1 V, PWM mode	792	800	808	mV
V_FB	Feedback regulation voltage⁽¹⁾⁽²⁾	I_OUT = 0 A, V_IN ≥ V_OUT + 1 V, PSM mode	792	800	817	mV
I_FB,LKG	Feedback input leakage current	V_FB = 1 V		0.01	0.1	μA
R_DIS	Output discharge resistor	EN = LOW, V_OUT = 1.8 V		260		?
	Line regulation	I_OUT = 1 A, V_IN = 2.5 V to 6.0 V		0.02		%/V
	Load regulation	I_OUT = 0.5 A to 3 A		0.16		%/A
POWER SWITCH
R_DS(on)	High-side FET ON-resistance	I_SW = 500 mA		31	56	m?
R_DS(on)	Low-side FET ON-resistance	I_SW = 500 mA		23	45	m?
I_LIM	High-side FET switch current limit		3.7	4.6	5.5	A
f_SW	PWM switching frequency	I_OUT = 1 A		2.4		MHz

(1) For more information, see Section 8.3.1.

(2) Conditions: L = 0.47 μH, C_OUT = 22 μF