米6体育平台手机版

ZHCSBX0C december 2013 – may 2023 TPS65261 , TPS65261-1

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

T_A = 25°C, V_IN = 12 V, f_SW = 600 kHz (unless otherwise noted)

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
INPUT SUPPLY VOLTAGE
VIN	Input voltage range		4.5		18	V
UVLO	VIN undervoltage lockout	VIN rising	4	4.25	4.5	V
		VIN falling	3.5	3.75	4	V
		Hysteresis		500		mV
IDD_SDN	Shutdown supply current	EN1=EN2=EN3=MODE=0 V		9.2		µA
IDD_{Q_NSW}	Input quiescent current without buck1/2/3 switching	EN1=EN2=EN3=5 V, FB1=FB2=FB3=0.8 V		605		µA
IDD_{Q_NSW1}		EN1=5V, EN2=EN3=0 V, FB1=0.8V		330		µA
IDD_{Q_NSW2}		EN2=5 V, EN1=EN3=0V, FB2=0.8 V		330		µA
IDD_{Q_NSW3}		EN3=5V, EN1=EN2=0V, FB3=0.8V		330		µA
V_7V	V7V LDO output voltage	V_7V load current = 0 A	6	6.3	6.6	V
I_{OCP_V7V}	V7V LDO current limit			175		mA
FEEDBACK VOLTAGE REFERENCE
V_FB	Feedback voltage	V_COMP = 1.2 V, T_J = 25°C	0.596	0.6	0.605	V
V_FB	Feedback voltage	V_COMP = 1.2 V, T_J = -40°C to 125°C	0.594	0.6	0.606	V
V_{LINEREG_BUCK}	Line regulation-DC	I_OUT1 = 1.5 A, I_OUT2 = 1 A, I_OUT3 = 1 A 5 V < PVINx < 18 V		0.002		%/V
V_{LOADREG_BUCK}	Load regulation-DC	I_OUTx = (10–100%) × I_{OUTx_max}		0.02		%/A
Buck1, Buck2, Buck3
V_ENXH	EN1/2/3 high level input voltage			1.2	1.26	V
V_ENXL	EN1/2/3 low level input voltage		1.1	1.15		V
I_ENX1	EN1/2/3 pullup current	ENx = 1 V		3.6		µA
I_ENX2	EN1/2/3 pullup current	ENx = 1.5 V		6.6		µA
I_ENhys	Hysteresis current			3		µA
I_SSX	Soft start charging current		4.3	5	6	µA
T_{ON_MIN}	Minimum on time			80	100	ns
G_{m_EA}	Error amplifier trans-conductance	–2 µA < I_COMPX < 2 µA		300		µS
G_{m_PS1/2/3}	COMP1/2/3 voltage to inductor current Gm	I_LX = 0.5 A		7.4		A/V
I_LIMIT1	Buck1 peak inductor current limit		4.33	5.1	6.02	A
I_LIMITSOURCE1	Buck1 low side source current limit			4.3		A
I_LIMITSINK1	Buck1 low side sink current limit			1.3		A
I_LIMIT2/3	Buck2/3 peak inductor current limit		2.6	3.1	3.73	A
I_{LIMITSOURCE2/3}	Buck2/3 low side source current limit			2.7		A
I_LIMITSINK2/3	Buck2/3 low side sink current limit			1		A
T_{Hiccup_wait}	Overcurrent wait time			256		cycles
T_{Hiccup_re}	Hiccup time before re-start			8192		cycles
Rdson_HS1	Buck1 High-side switch resistance	VIN = 12 V		100		mΩ
Rdson_LS1	Buck1 low-side switch resistance	VIN = 12 V		65		mΩ
Rdson_HS2	Buck2 High-side switch resistance	VIN = 12 V		140		mΩ
Rdson_LS2	Buck2 low-side switch resistance	VIN = 12 V		95		mΩ
Rdson_HS3	Buck3 High-side switch resistance	VIN = 12 V		140		mΩ
Rdson_LS3	Buck3 low-side switch resistance	VIN = 12 V		95		mΩ
POWER GOOD, MODE, POWER SEQUENCE
V_{th_PG}	Feedback voltage threshold	FBx undervoltage Falling		92.5		%V_REF
		FBx undervoltage Rising		95		%V_REF
		FBx overvoltage Rising		107.5		%V_REF
		FBx overvoltage Falling		105		%V_REF
T_{DEGLITCH(PG)_F}	PGOOD falling edge deglitch time			128		cycles
T_{RDEGLITCH(PG)_R}	PGOOD rising edge deglitch time			512		cycles
I_PG	PGOOD pin leakage				0.05	µA
V_{LOW_PG}	PGOOD pin low voltage	I_SINK = 1 mA			0.4	V
V_MODEH	MODE high level input voltage			1.2	1.26	V
V_MODEL	MODE low level input voltage		1.1	1.15		V
I_MODE1	MODE pullup current	MODE = 1 V		3.6		µA
I_MODE2	MODE pullup current	MODE = 1.5 V		6.6		µA
T_psdelay	Delay time between bucks at automatic power sequencing mode	MODE = 1.5 V		1024		cycles
POWER FAILURE DETECTOR
VDIV_th	VDIV threshold		1.18	1.23	1.26	V
I_VDIV	VDIV pullup current	VDIV = 1 V		1		µA
I_VDIV	VDIV pullup current	VDIV = 1.5 V		2		µA
I_VDIVhys	VDIV hysteresis current			1		µA
T_{deglitch_R}	RESET deglitch on the rising edge			534		cycles
T_{deglitch_F}	RESET deglitch on the falling edge		12	14	16	cycles
OSCILLATOR
F_SW	Switching frequency	ROSC = 73.2 kΩ	560	600	640	kHz
F_{SW_range}	Switching frequency		250		2000	kHz
THERMAL PROTECTION
T_{TRIP_OTP}	Thermal protection trip point	Temperature rising		160		°C
T_{HYST_OTP}	Thermal protection trip point	Hysteresis		20		°C