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ZHCSOL9B March 2013 – August 2021 TPS53511

PRODUCTION DATA

封裝選項(xiàng)

機(jī)械數(shù)據(jù) (封裝 | 引腳)

RGT|16
- MPQF119H

散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)

RGT|16
- QFND098T

訂購信息

6.5 Electrical Characteristics

over recommended free-air temperature range, V_VIN = 12 V, PGND = GND (unless otherwise noted). ⁽²⁾

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
SUPPLY CURRENT
I_VCC	Operating, non-switching supply current	T_A = 25°C, V_EN = 5 V, V_VFB = 0.8 V		850	1300	μA
I_VCC(sdn)	Shutdown supply current	T_A = 25°C, V_EN = 0 V		1.8	10	μA
LOGIC THRESHOLD
V_ENH	EN high-level input voltage		1.5			V
V_ENL	EN low-level input voltage				0.4	V
V_VFB VOLTAGE AND DISCHARGE RESISTANCE
V_VFB	Voltage light load mode	T_A = 25°C, V_OUT = 1.05 V, I_OUT = 10 mA		771		mV
	Threshold voltage, continuous mode	T_A = 25°C, V_OUT = 1.05 V	757	765	773	mV
		T_A = 0°C to 85°C, V_OUT = 1.05 V⁽¹⁾	753		777
		T_A = –40°C to 85°C, V_OUT = 1.05 V⁽¹⁾	751		779
I_VFB	Input current	V_FB = 0.8 V, T_A = 25°C	-0.1	0	0.1	μA
R_Dischg	V_O discharge resistance	V_EN = 0 V, V_OUT = 0.5 V, T_A = 25°C		50	100	?
V_VREG5 OUTPUT
V_VREG5	Output voltage	T_A = 25°C, 6 V < V_VCC < 18 V, 0 < I_VREG5 < 5 mA	5.3	5.5	5.7	V
V_LN5	Line regulation	6 V < V_VCC < 18 V, I_VREG5 = 5 mA			20	mV
V_LD5	Load regulation	0 < I_VREG5 < 5 mA			100	mV
I_VREG5	Output current	Vcc = 6 V, V_VREG5 = 4 V, T_A = 25°C		70		mA
MOSFET
R_DS(on)H	High-side switch resistance	T_A = 25°C, (V_BST–V_SW) = 5.5 V		120		m?
R_DS(on)L	Low-side switch resistance	T_A = 25°C		70		m?
CURRENT LIMIT
I_OCL	Current limit	L_OUT = 1.5 μH⁽¹⁾	1.65	2.00	2.75	A
THERMAL SHUTDOWN
T_SDN	Thermal shutdown threshold	Shutdown temperature⁽¹⁾		150		°C
T_SDN	Thermal shutdown threshold	Hysteresis⁽¹⁾		25		°C
ON-TIME TIMER CONTROL
t_ON	On time	V_VIN = 12 V, V_OUT = 1.05 V		145		ns
t_OFF(min)	Minimum off time	T_A = 25°C, V_VFB = 0.7 V		260	310	ns
SOFT-START FUNCTION
I_SSC	Soft-start charge current	V_SS = 0 V	1.4	2.0	2.6	μA
I_SSD	Soft-start discharge current	V_SS = 0.5 V	0.1	0.2		mA
POWER GOOD
V_THPG(UV)	Power-good undervoltage threshold	V_VFB rising (good)	85%	90%	95%
V_THPG(UV)	Power-good undervoltage threshold	V_VFB falling (fault)		85%
V_THPG(OV)	Power-good overvoltage threshold	V_VFB rising (fault)	110%	115%	120%
V_THPG(OV)	Power-good overvoltage threshold	V_VFB falling (good)		110%
I_PG	Sink current	V_PG = 0.5 V	2.5	5.0		mA
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
V_OVP	Output OVP trip threshold	OVP detect	110%	115%	120%
t_OVPDEL	Output OVP propagation delay			5		μs
V_UVP	Output UVP trip threshold	UVP detect	65%	70%	75%
V_UVP	Output UVP trip threshold	Hysteresis		10%
t_UVPDEL	Output UVP delay			0.25		ms
t_UVPEN	Output UVP enable delay	Relative to soft-start time		t_SS × 1.7		ms
UNDERVOLTAGE LOCKOUT
UVLO	Wakeup V_REG5 voltage threshold		3.55	3.80	4.05	V
UVLO	Hysteresis V_REG5 voltage threshold		0.23	0.35	0.47	V

(1) Specified by design. Not production tested.

(2) See PS pin description for levels.