JAJSQ72 データシート

JAJSQ72B june 2014 – may 2023 TPS65262-1

PRODUCTION DATA

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）

RHB|32
- MPQF130D

サーマルパッド・メカニカル・データ

RHB|32
- QFND029X

発注情報

7.5 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 = LEN1 = LEN2 = 0 V		12		µA
IDD_{Q_NSW}	Input quiescent current without buck1, buck2, buck3 switching	EN1 = EN2 = EN3 = 5 V, FB1 = FB2 = FB3 = 0.8 V, LEN1 = LEN2 = 0		790		µA
IDD_{Q_NSW1}		EN1 = 5 V, EN2 = EN3 = 0 V, FB1 = 0.8 V, LEN1 = LEN2 = 0		340		µA
IDD_{Q_NSW2}		EN2 = 5 V, EN1 = EN3 = 0 V, FB2 = 0.8 V, LEN1 = LEN2 = 0		370		µA
IDD_{Q_NSW3}		EN3 = 5V, EN1 = EN2 = 0 V, FB3 = 0.8 V, LEN1 = LEN2 = 0		370		µA
IDD_{Q_LDO1}	LDO input quiescent current	EN1 = EN2 = EN3 = LEN2 = 0 V, LFB1 = 0.8 V, LEN1 = 5 V		190		µA
IDD_{Q_LDO2}	LDO input quiescent current	EN1 = EN2 = EN3 = LEN1 = 0 V, LFB2 = 0.8 V, LEN2 = 5 V		190		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	0.595	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⁽¹⁾	I_OUT1 = 1.5 A, I_OUT2 = 1 A, I_OUT3 = 1 A, 5 V < VINx < 18 V		0.002		%/V
V_{LOADREG_BUCK}	Load regulation-DC⁽¹⁾	VIN = 12 V, I_OUTx = (10–100%) × I_{OUTx_max}		0.02		%/A
BUCK1, BUCK2, BUCK3
V_ENXH	EN1, EN2, EN3 high-level input voltage			1.2	1.26	V
V_ENXL	EN1, EN2, EN3 low-level input voltage		1.1	1.15		V
I_ENX	EN1, EN2, EN3 pullup current	ENx = 1 V		3.6		µA
I_ENX	EN1, EN2, EN3 pullup current	ENx = 1.5 V		6.6		µA
I_ENhys	Hysteresis current			3		µA
I_SS1	Buck1 soft-start charging current		4.3	5	6	µA
T_SS2/3	Buck2, buck3 soft-start time			1		ms
T_{ON_MIN}	Minimum on time			80	100	ns
G_{m_EA1/2/3}	Error amplifier trans-conductance	–2 µA < ICOMPX < 2 µA		300		µs
G_{m_PS1/2/3}	COMP voltage to inductor current G_m⁽¹⁾	ILX = 0.5 A		7.4		A/V
I_LIMIT1	Buck1 peak inductor current limit		4.4	5.1	6.06	A
I_LIMITSOURCE1	Buck1 low-side source current limit			4.4		A
I_LIMITS1	Buck1 low-side sink current limit			1.3		A
I_LIMIT2/3	Buck2, buck3 peak inductor current limit		1.8	2.4	3	A
I_{LIMITSOURCE2/3}	Buck2, buck3 low-side source current limit			1.75		A
I_LIMITS2/3	Buck2, buck3 low-side sink current limit			1		A
T_{Hiccup_wait}	OC wait time⁽¹⁾			0.5		ms
T_{Hiccup_re}	Hiccup time before restart⁽¹⁾			14		ms
Rdson_HS1	Buck1 high-side switch resistance	VIN1 = 12 V		100		mΩ
Rdson_LS1	Buck1 low-side switch resistance	VIN1 = 12 V		65		mΩ
Rdson_HS2	Buck2 high-side switch resistance	VIN1 = 12 V		195		mΩ
Rdson_LS2	Buck2 low-side switch resistance	VIN1 = 12 V		145		mΩ
Rdson_HS3	Buck3 high-side switch resistance	VIN1 = 12 V		195		mΩ
Rdson_LS3	Buck3 low-side switch resistance	VIN1 = 12 V		145		mΩ
POWER GOOD, MODE, POWER SEQUENCE
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			0.19		ms
T_{RDEGLITCH(PG)_R}	PGOOD rising edge deglitch time			1		ms
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_MODE	MODE pullup current	MODE = 1 V		3.6		µA
I_MODE	MODE pullup current	MODE = 1.5 V		6.6		µA
Tpsdelay	Delay time between bucks at automatic power sequencing mode⁽¹⁾	MODE = 1.5 V		1.7		ms
LDO1 AND LDO2
V_LENXH	LEN1, LEN2 high-level input voltage			1.2	1.26	V
V_LENXL	LEN1, LEN2 low-level input voltage		1.1	1.15		V
I_LENX	LEN1, LEN2 pullup current	LENx = 1 V		3.6		µA
I_LENX	LEN1, LEN2 pullup current	LENx = 1.5 V		6.6		µA
VIN_LDO1	LDO input voltage range		1.3		5.5	V
VOUT_LDO1	LDO output voltage range	Load current = 350 mA	1			V
V_LDOFB1	LDO voltage reference	Load current = 10 mA	0.594	0.6	0.606	V
_{Imax_LDO1}	LDO current limit		350	455	540	mA
V_dropout1	LDO dropout voltage	I_OUT = 20 mA		12		mV
V_dropout1	LDO dropout voltage	I_OUT = 350 mA		400		mV
V_{LINEREG_LDO1}	LDO line regulation-DC⁽¹⁾	V_OUT = 1.8 V, I_OUT = 10 mA, LVIN1 changes from 2 to 5.5 V		0.002		%/V
V_{LOADREG_LDO1}	LDO load regulation-DC⁽¹⁾	I_OUT = 1 to 350 mA, LVIN1 = 5 V		0.2		%/A
PSRR_LDO1	Ripple rejection⁽¹⁾	LVIN1 = 5 V, Vout = 1.8 V, I_OUT = 10 mA, ƒ = 10 kHz		56		dB
VIN_LDO2	LDO input voltage range		1.3		5.5	V
VOUT_LDO2	LDO output voltage range	Load current = 150 mA	1			V
V_LDOFB2	LDO voltage reference	Load current = 10 mA	0.594	0.6	0.606	V
I_{max_LDO2}	LDO current limit		170	220	290	mA
V_dropout2	LDO dropout voltage⁽¹⁾	I_OUT = 10 mA		12		mV
V_dropout2	LDO dropout voltage⁽¹⁾	I_OUT = 150 mA		250		mV
V_{LINEREG_LDO2}	LDO line regulation-DC⁽¹⁾	V_OUT = 1.8 V, I_OUT= 10 mA, LVIN2 changes from 2 to 5.5 V		0.002		%/V
V_{LOADREG_LDO2}	LDO load regulation-DC⁽¹⁾	I_OUT = 1 to 150 mA, LVIN2 = 5 V		0.2		%/A
PSRR_LDO2	Ripple rejection⁽¹⁾	LVIN2 = 5 V, Vout = 1.8 V, I_OUT = 10 mA, ƒ = 10 kHz		56		dB
OSCILLATOR
F_SW	Switching frequency		570	600	630	kHz
THERMAL PROTECTION
T_{TRIP_OTP}	Thermal protection trip point⁽¹⁾	Temperature rising		160		°C
T_{HYST_OTP}	Thermal protection trip point⁽¹⁾	Hysteresis		20		°C

(1) Lab validation result