米6体育平台手机版

ZHCSHF3C january 2018 – may 2023 TPS65268-Q1

PRODUCTION DATA

封装选项

机械数据 (封装 | 引脚)

RHB|32
- MPQF130D

散热焊盘机械数据 (封装 | 引脚)

RHB|32
- QFND029X

订购信息

6.5 Electrical Characteristics

V_IN = 5 V, f_SW = 2 MHz, –40°C ≥ T_J ≥ 125°C, typical values are at T_J = 25°C (unless otherwise noted)

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
INPUT SUPPLY VOLTAGE
V_IN	Input voltage range		4		8	V
UVLO	VIN UVLO	VIN rising	3.5	3.8	4	V
UVLO	VIN UVLO	VIN falling	3.1	3.3	3.5	V
UVLO_hys	VIN UVLO hysteresis			500		mV
IDD_SDN	Shutdown supply current	V_EN1 = V_EN2 = V_EN3 = 0 V	2.5	6	15	µA
IDD_{Q_NSW}	Input quiescent current without BUCK1, BUCK2, BUCK3 switching	V_EN1 = V_EN2 = V_EN3 = 3 V, V_FB1 = V_FB2 = V_FB3 = 0.8 V	550	780	1150	µA
IDD_{Q_NSW1}		V_EN1 = 3 V, V_EN2 = V_EN3 = 0 V, V_FB1 = 0.8 V	180	370	590
IDD_{Q_NSW2}		V_EN2 = 3 V, V_EN1 = V_EN3 = 0 V, V_FB2 = 0.8 V	180	370	590
IDD_{Q_NSW3}		V_EN3 = 3 V, V_EN1 = V_EN2 = 0 V, V_FB3 = 0.8 V	180	370	590
V_V7V	V7V LDO output voltage	V_IN = 5 V, V_V7V load current = 0 A		4.96		V
V_V7V	V7V LDO output voltage	V_IN = 8 V, V_V7V load current = 0 A		6.3		V
I_{OCP_V7V}	V7V LDO current limit		78	185	260	mA
FEEDBACK VOLTAGE REFERENCE
V_FB	Feedback voltage	V_COMP = 1.2 V	0.594	0.6	0.606	V
BUCK1, BUCK2, BUCK3
V_ENxH	EN1, EN2, EN3 high-level input voltage		1.12	1.2	1.26	V
V_ENxL	EN1, EN2, EN3 low-level input voltage		1.05	1.15	1.21	V
I_ENx1	EN1, EN2, EN3 pullup current	V_ENx = 1 V	2.5	3.9	5.9	µA
I_ENx2	EN1, EN2, EN3 pullup current	V_ENx = 1.5 V	5.1	6.9	9.2	µA
I_ENhys	Hysteresis current		2.6	3	3.3	µA
I_SSX	Soft-start charging current		3.9	5.2	6.5	µA
t_{ON_MIN}	Minimum on-time		50	75	110	ns
G_{m_EA}	Error amplifier transconductance	–2 µA < I_COMPx < 2 µA	140	300	450	µs
G_{m_PS1/2/3}	COMP1/2/3 voltage to inductor current G_m⁽¹⁾	I_LX = 0.5 A		7.4		A/V
I_LIMIT1	BUCK1 peak inductor current limit		4.8	5.9	7	A
I_LIMITSINK1	BUCK1 low-side sink current limit		0.7	1.3	1.8	A
I_LIMIT2/3	BUCK2/BUCK3 peak inductor current limit		2.55	3.3	4	A
I_LIMITSINK2/3	BUCK2/BUCK3 low-side sink current limit		0.5	1	1.4	A
Rdson_HS1	BUCK1 high-side switch resistance	V_IN = 5 V		110		mΩ
Rdson_LS1	BUCK1 low-side switch resistance	V_IN = 5 V		67		mΩ
Rdson_HS2	BUCK2 high-side switch resistance	V_IN = 5 V		149		mΩ
Rdson_LS2	BUCK2 low-side switch resistance	V_IN = 5 V		94		mΩ
Rdson_HS3	BUCK3 high-side switch resistance	V_IN = 5 V		149		mΩ
Rdson_LS3	BUCK3 low-side switch resistance	V_IN = 5 V		94		mΩ
POWER GOOD
V_{th_PG}	Feedback voltage threshold	FBx undervoltage falling		92.5		%V_ref
		FBx undervoltage rising		95
		FBx overvoltage rising		107.5
		FBx overvoltage falling		105
t_{DEGLITCH(PG)_F}	PGOOD falling edge deglitch time			112		cycles
t_{RDEGLITCH(PG)_R}	PGOOD rising edge deglitch time			616		cycles
I_PG	PGOOD pin leakage				0.1	µA
V_{LOW_PG}	PGOOD pin low voltage	I_SINK = 1 mA			0.4	V
OSCILLATOR
f_SW	Switching frequency	R_OSC = 88.7 kΩ	430	500	560	kHz
f_{SW_range}	Switching frequency		200		2300	kHz
f_{SYNC_w}	Clock sync minimum pulse width		80			ns
f_{SYNC_HI}	Clock sync high threshold				2	V
f_{SYNC_LO}	Clock sync low threshold		0.4			V
f_SYNC	Clock sync frequency range		200		2300	kHz
THERMAL PROTECTION
T_{TRIP_OTP}	Thermal protection trip point⁽¹⁾	Temperature rising		160		°C
T_{HYST_OTP}	Thermal protection trip point hysteresis⁽¹⁾			20		°C

(1) Lab validation result