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ZHCSGT2C November 2016 – August 2021 LMS3635-Q1 , LMS3655-Q1

PRODUCTION DATA

封裝選項(xiàng)

機(jī)械數(shù)據(jù) (封裝 | 引腳)

RNL|22
- MPQF443E

散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)

RNL|22
- QFND674

訂購信息

7.6 Electrical Characteristics

Limits apply over the recommended operating junction temperature range of –40°C to +150°C, unless otherwise noted. Minimum and maximum limits are specified through test, design, or statistical correlation. Typical values represent the most likely parametric norm at T_J = 25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: V_IN = 13.5 V.

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
V_FB	Initial reference voltage for 5-V and 3.3-V options	V_IN = 3.8 V to 36 V, T_J = 25°C	–1%		1%
V_FB	Initial reference voltage for 5-V and 3.3-V options	V_IN = 3.8 V to 36 V	–1.5%		1.5%
I_Q	Operating quiescent current; measured at VIN pin when enabled and not switching⁽¹⁾	V_IN = 13.5 V, V_BIAS = 5 V		7.5	16	μA
I_{B_NSW}	Bias current into BIAS pin, enabled, not switching	V_IN = 13.5 V, V_BIAS = 5 V, FPWM = 0 V		53	62	μA
I_{B_NSW}	Bias current into BIAS pin, enabled, not switching	V_IN = 13.5 V, V_BIAS = 3.3 V, FPWM = 0 V		53	62	μA
I_SD	Shutdown quiescent current; measured at VIN pin	EN ≤ 0.4 V		2	3	μA
V_IN-OPERATE	Minimum input voltage to operate	Rising	3.2	3.55	3.90	V
		Falling	2.95	3.25	3.55
		Hysteresis	0.28	0.3	0.4
V_RESET	RESET upper threshold voltage	Rising, % of V_OUT	105%	107%	110%
	RESET lower threshold voltage	Falling, % V_OUT	92%	94%	96.5%
	Magnitude of RESET lower threshold from steady state output voltage	Steady-state output voltage and RESET falling threshold read at the same T_J and V_IN			96%
V_{RESET_HYST}	RESET hysteresis as a percent of output voltage setpoint			±1%
V_{RESET_VALID}	Minimum input voltage for proper RESET function	50-μA pullup to RESET pin, EN = 0 V, T_J= 25°C			1.5	V
V_OL	Low level RESET function output voltage	50-μA pullup to RESET pin, V_IN = 1.5 V, EN = 0 V			0.4	V
		0.5-mA pullup to RESET pin, V_IN = 13.5 V, EN = 0 V			0.4
		1-mA pullup to RESET pin, V_IN = 13.5 V, EN = 3.3 V			0.4
F_SW	Switching frequency	V_IN = 13.5 V, center frequency with spread spectrum, PWM operation	360	400	440	kHz
F_SW	Switching frequency	V_IN = 13.5 V, without spread spectrum, PWM operation	360	400	440	kHz
F_SYNC	Sync frequency range		250	400	500	kHz
D_SYNC	Sync input duty cycle range	High state input < 5.5 V and > 2.3 V	25%		75%
V_FPWM	FPWM input threshold voltage	FPWM input high (MODE = FPWM)	1.5			V
		FPWM input low (MODE = AUTO with diode emulation)			0.4
		FPWM input hysteresis	0.15		1
FS_SS	Frequency span of spread spectrum operation			±3%
F_PSS	Spread-spectrum pattern frequency⁽²⁾				1.2	Hz
I_FPWM	FPWM leakage current	V_IN = 13.5 V, V_FPWM = 3.3 V		1		μA
I_FPWM	FPWM leakage current	V_IN = V_FPWM = 13.5 V		1		μA
I_SYNC	SYNC leakage current	V_IN = 13.5 V, V_SYNC = 3.3 V		1		μA
I_SYNC	SYNC leakage current	V_IN = V_SYNC = 13.5 V		1		μA
I_L-HS	High-side switch current limit	LMS3635-Q1	4.5	6	7.5	A
I_L-HS	High-side switch current limit	LMS3655-Q1	6.7	8.5	9.5	A
I_L-LS	Low-side switch current limit	LMS3635-Q1	4	4.5	6.5	A
I_L-LS	Low-side switch current limit	LMS3655-Q1	6	7	7.5	A
I_L-ZC	Zero-cross current limit FPWM = low			–0.02		A
I_L-NEG	Negative current limit FPWM = high			–1.5		A
R_DSON	Power switch on-resistance	High-side MOSFET R_DSON, V_IN = 13 V, IL = 1 A		60	130	mΩ
R_DSON	Power switch on-resistance	Low-side MOSFET R_DSON, V_IN = 13 V, IL = 1 A		40	80	mΩ
V_EN	Enable input threshold voltage - rising	Enable rising	1.7		2	V
V_{EN_HYST}	Enable threshold hysteresis		0.45		0.55	V
V_{EN_WAKE}	Enable wake-up threshold		0.4			V
I_EN	EN pin input current	V_IN = V_EN = 13.5 V		2	3	μA
V_CC	Internal V_CC voltage	V_IN = 13.5 V, V_BIAS = 0 V		3.05		V
V_CC	Internal V_CC voltage	V_IN = 13.5 V, V_BIAS = 3.3 V		3.15		V
V_{CC_UVLO}	Internal V_CC input undervoltage lockout	V_IN rising		2.7		V
V_{CC_UVLO}	Internal V_CC input undervoltage lockout	Hysteresis below V_CC-UVLO		185		mV
I_FB	Input current from FB to AGND	Adjustable LMS36x5-Q1, FB = 1 V		20		nA
V_REF	Reference voltage for adjustable option only	T_J = 25°C	0.993	1	1.007	V
V_REF	Reference voltage for adjustable option only	T_J = –40°C to 125°C	0.99	1	1.01	V
R_RESET	R_DSON of RESEToutput	Pull FB pin low. Sink 1-mA at RESET pin		50	120	Ω
V_SYNC	V_IH		1.5			V
	V_IL				0.4
	V_HYST		0.15		1
T_SD	Thermal shutdown thresholds⁽²⁾	Rising	160		185	°C
T_SD	Thermal shutdown thresholds⁽²⁾	Hysteresis		15		°C
D_MAX	Maximum switch duty cycle	F_sw = 400 kHz		96%
D_MAX	Maximum switch duty cycle	While in dropout⁽²⁾	98%

(1) This is the current used by the device while not switching, open loop on the ATE. It does not represent the total input current from the regulator system.

(2) Ensured by Design, Not tested at production.