米6体育平台手机版

ZHCSDM3D October 2014 – June 2019 TPS82084 , TPS82085

PRODUCTION DATA.

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)

SIL|8

散热焊盘机械数据 (封装 | 引脚)

订购信息

zhcsdm3d_oa

6.5 Electrical Characteristics

T_J = -40°C to 125°C and V_IN = 2.5V to 6V. Typical values are at T_J = 25°C and V_IN = 3.6V, 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	Under voltage lock out threshold	V_IN falling	2.1	2.2	2.3	V
V_UVLO	Under voltage lock out threshold	V_IN rising	2.3	2.4	2.5	V
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		1.0			V
V_IL	Low-level input voltage				0.4	V
I_lkg(EN)	Input leakage current into EN pin	EN = High		0.01	0.16	µA
R_PD	Pull-down resistance at EN pin	EN = Low		400		kΩ
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 = 1mA			0.4	V
I_lkg(PG)	Input leakage current into PG pin	V_PG = 5V		0.01	0.16	µA
OUTPUT
V_OUT	Output voltage range		0.8		V_IN	V
V_FB	Feedback regulation voltage	PWM mode	792	800	808	mV
V_FB	Feedback regulation voltage	PSM mode, C_OUT = 22 µF	792	800	817	mV
I_lkg(FB)	Feedback input leakage current	V_FB = 0.8 V		0.01	0.1	µA
R_DIS	Output discharge resistor	EN = Low, V_OUT = 1.8 V		260		Ω
	Line regulation	I_OUT= 1 A, V_IN = 2.5 V to 6 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	mΩ
R_DS(on)	Low-side FET on-resistance	I_SW = 500 mA		23	45	mΩ
R_DP	Dropout resistance	100% mode		69		mΩ
I_LIMF	High-side FET switch current limit	TPS82085	3.7	4.6	5.5	A
I_LIMF	High-side FET switch current limit	TPS82084		3.6		A
f_SW	PWM switching frequency	I_OUT= 1 A		2.4		MHz