米6体育平台手机版

ZHCSGX8E march 2017 – june 2023 TPS61253A , TPS61253E

PRODUCTION DATA

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机械数据 (封装 | 引脚)

YFF|9
- MXBG144B

散热焊盘机械数据 (封装 | 引脚)

订购信息

7.5 Electrical Characteristics

For TPS61253A, V_IN = 2.3 V to 4.85 V , V_OUT = 5 V , T_J = –40°C to 125°C ; Typical values are at V_IN = 3.6 V , T_J = 25°C, unless otherwise noted.

For TPS61253E, V_IN = 2.6 V to 4.85 V , V_OUT = 5.25 V , T_J = –40°C to 125°C ; Typical values are at V_IN = 3.6 V , T_J = 25°C, unless otherwise noted.

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
SUPPLY CURRENT
V_{IN_UVLO}	Input voltage under voltage lockout (UVLO) threshold	V_IN rising, TPS61253A		2.2	2.3	V
	Input voltage under voltage lockout (UVLO) threshold	V_IN falling, TPS61253A		2.1	2.2	V
	Input voltage under voltage lockout (UVLO) threshold (E version)	V_IN rising, TPS61253E	2.4	2.5	2.6	V
		V_IN falling, TPS61253E	2.3	2.4	2.5	V
I_Q	Quiescent current into VIN pin	V_IN = 3.6 V, V_OUT = 5V , EN = V_INDevice not switching		42	50	µA
I_Q	Quiescent current into VOUT pin	V_IN = 3.6 V, V_OUT = 5V , EN = V_IN Device not switching		6.6	12	µA
I_SD	Shutdown current	EN = GND , V_IN = 2.3 V to 5.5 V, –40 °C ≤ T_J ≤ 85°C		0.05	1.3	µA
OUTPUT VOLTAGE
V_OUT	PWM Operation	2.3 V ≤ V_IN ≤ 4.85V, I_OUT= 0mA, PWM operation. Open Loop. TPS61253A	4.9	5	5.1	V
	PWM Operation	2.6 V ≤ V_IN ≤ 4.85V, I_OUT= 0mA, PWM operation. Open Loop. TPS61253E	5.145	5.25	5.355	V
	PFM Operation	Auto PFM Mode		100.8		%V_OUT
	Ultrasonic Operation	Ultrasonic Mode		101.6		%V_OUT
R_DIS	output discharge resistor	VOUT = 5 V, TPS612532A		350		Ω
POWER SWITCHES
R_DSON	Low-side FET on resistance			35	55	mΩ
R_DSON	High-side FET on resistance			60	80	mΩ
CURRENT LIMIT
I_{LIM_SW}	Switching valley current limit at Auto PFM / Ultrasonic Mode	TPS61253A	3.4	4	4.6	A
	Switching valley current limit at Forced PWM Mode	TPS61253A	3.35	3.95	4.55	A
	Switching valley current limit at Auto PFM / Ultrasonic Mode	TPS61253E	3.9	4.5	5.1	A
	Switching valley current limit at Forced PWM Mode	TPS61253E	3.85	4.45	5.05	A
I_{LIM_DC}	DC startup current limit	TPS61253A, TPS61253E	1	1.5		A
EN AND MODE LOGIC
V_{EN_H}	EN logic high threshold	TPS61253A			1.2	V
V_{EN_H}	EN logic high threshold	TPS61253E			0.9	V
V_{EN_L}	EN logic low threshold	TPS61253A	0.4			V
V_{EN_L}	EN logic low threshold	TPS61253E	0.36			V
R_EN	EN pull-down resistor			930		kΩ
V_{MODE_H}	Mode logic high threshold				1.2	V
V_{MODE_L}	Mode logic low threshold		0.4			V
V_{MODE_F}	Mode pin floating voltage		0.75	0.8	0.85	V
I_{MODE_UP}	Pull up current			1		µA
I_{MODE_DOWN}	Pull down current			1		µA
PROTECTION
T_{SD_R}	Thermal shutdown rising threshold			150		ºC
T_{SD_HYS}	Thermal protection hysteresis			20		ºC