SLVSC55 Data sheet

SLVSC55C August 2013 – November 2021 TPS62090-Q1

PRODUCTION DATA

Package Options

Mechanical Data (Package|Pins)

RGT|16
- MPQF119H

Thermal pad, mechanical data (Package|Pins)

RGT|16
- QFND098S

Orderable Information

6.5 Electrical Characteristics

V_IN = 3.6 V, T_J = –40°C to 125°C, typical values are at T_J = 25°C (unless otherwise noted)

PARAMETER		TEST CONDITIONS		MIN	TYP	MAX	UNIT
SUPPLY
V_IN	Input voltage range			2.5		6	V
I_QIN	Quiescent current	Not switching, FB = FB +5 %, Into PVIN and AVIN			20		µA
I_sd	Shutdown current	Into PVIN and AVIN			0.6	5	µA
UVLO	Undervoltage lockout threshold	V_IN falling		2.1	2.2	2.3	V
UVLO	Undervoltage lockout hysteresis				200		mV
	Thermal shutdown	Temperature rising			150		°C
	Thermal shutdown hysteresis				20		°C
CONTROL SIGNALS EN, FREQ
V_H	High level input voltage	V_IN = 2.5 to 6 V		1	0.65		V
V_L	Low level input voltage	V_IN = 2.5 to 6 V			0.6	0.4	V
I_lkg	Input leakage current	EN, FREQ = GND or V_IN			10	100	nA
R_PD	Pulldown resistance				400		kΩ
SOFT START
I_SS	Soft-start current			6.3	7.5	8.7	µA
POWER GOOD
V_th	Power good threshold	Output voltage rising			95%
V_th	Power good threshold	Output voltage falling			90%
V_L	Low level voltage	I_(sink) = 1 mA				0.4	V
I_PG	PG sinking current					1	mA
I_lkg	Leakage current	V_PG = 3.6 V			10	200	nA
POWER SWITCH
R_DS(on)	High-side FET on-resistance	I_SW = 500 mA			50		mΩ
R_DS(on)	Low-side FET on-resistance	I_SW = 500 mA			40		mΩ
I_LIM	High-side FET switch current limit			3.7	4.6	5.5	A
f_s	Switching frequency	FREQ = GND, I_OUT = 3 A			2.8		MHz
f_s	Switching frequency	FREQ = VIN, I_OUT = 3 A			1.4		MHz
OUTPUT
V_s	Output voltage			0.8		V_IN	V
R_od	Output discharge resistor	EN = GND, V_OUT = 1.8 V			200		Ω
V_FB	Feedback regulation voltage				0.8		V
V_FB	Feedback voltage accuracy⁽¹⁾⁽²⁾	V_IN ≥ V_OUT + 1 V	I_OUT = 1 A, PWM mode	–1.4%		1.4%
			I_OUT = 0 mA, FREQ = 2.8 MHz, V_OUT ≥ 0.8 V, PFM mode	–1.4%		3%
			I_OUT = 0 mA, FREQ = 1.4 MHz, V_OUT ≥ 1.2 V, PFM mode	–1.4%		3%
			I_OUT = 0 mA, FREQ = 1.4 MHz, V_OUT < 1.2 V, PFM mode	–1.4%		3.7%
I_FB	Feedback input bias current	V_FB = 0.8 V			10	100	nA
V_OUT	Output voltage accuracy⁽²⁾	V_IN ≥ V_OUT + 1 V, fixed output voltage, f = 2.8 MHz, L = 0.47 µH, C_OUT = 22 µF or f = 1.4 MHz, L = 1 µH, C_OUT = 22 µF	I_OUT = 1 A, PWM mode	–1.4%		1.4%
V_OUT	Output voltage accuracy⁽²⁾		I_OUT = 0 mA, FREQ = high and low, PFM mode	–1.4%		2.5%
	Line regulation	V_OUT = 1.8 V, PWM operation			0.016%		V
	Load regulation	V_OUT = 1.8 V, PWM operation			0.04%		A

(1) For output voltages < 1.2 V, use a 2 × 22 µF output capacitance to achieve 3% output voltage accuracy.

(2) For more information, see Section 7.4.2.