米6体育平台手机版

SBVS385B December 2019 – April 2020

PRODUCTION DATA.

6.5 Electrical Characteristics

At operating temperature range (T_J = –40°C to +125°C),V_IN = V_OUT(NOM) + 0.5 V or 1.5 V (whichever isgreater), I_OUT = 1 mA, V_EN =V_IN, and C_IN = C_OUT = 1 uF(unless otherwise noted); all typical values are at T_J = 25°C

PARAMETER		TEST CONDITIONS		MIN	TYP	MAX	UNIT
V_FB	Feedback voltage	T_J = 25°C			0.55		V
	Output accuracy⁽¹⁾	T_J= 25°C		–0.5%		0.5%
	Output accuracy⁽¹⁾	–40°C ≤ T_J ≤ +125°C; V_OUT(NOM) + 0.5 V⁽²⁾ ≤ V_I_N ≤ 6.0 V		–1.5%		1.5%
	Line regulation	V_OUT(NOM) + 0.5 V⁽²⁾ ≤ V_I_N ≤ 6.0 V			2		mV
	Load regulation	0.1 mA ≤ I_OUT ≤ 500 mA, V_IN = V_OUT + 0.5 V⁽³⁾			0.030		V/A
I_GND	Ground current	I_OUT = 0 mA	T_J = 25°C	10	25	31	µA
I_GND	Ground current	I_OUT = 0 mA	–40°C ≤ T_J ≤ +125°C			35	µA
I_SHDN	Shutdown current	V_EN ≤ 0.3 V, 1.5 V ≤ V_IN ≤ 6.0 V			0.1	1	µA
I_FB	Feedback pin current				0.01	0.1	µA
I_CL	Output current limit	V_IN = 2 V with V_OUT < 1 V; otherwise V_IN = V_OUT(NOM) + 1.0 V	V_OUT = V_OUT(NOM) – 0.2 V, V_OUT< 1.5 V	530	720	865	mA
I_CL	Output current limit		V_OUT = 0.9 V × V_OUT(NOM), V_OUT≥ 1.5 V	530	720	865	mA
I_SC	Short-circuit current limit	V_IN = 2 V with V_OUT < 1 V; otherwise V_IN = V_OUT(NOM) + 1.0 V	V_OUT = 0 V		310	400	mA
V_DO	Dropout voltage	I_OUT = 500 mA, –40°C ≤ T_J ≤ +125°C, V_OUT = 0.95 × V_OUT(NOM)	0.65 V ≤ V_OUT < 0.8 V		720	880	mV
			0.8 V ≤ V_OUT < 1.0 V		585	750
			1.0 V ≤ V_OUT < 1.2 V		420	570
			1.2 V ≤ V_OUT < 1.5 V		285	400
			1.5 V ≤ V_OUT < 1.8 V		180	240
			1.8 V ≤ V_OUT < 2.5 V		140	190
			2.5 V ≤ V_OUT < 3.3 V		102	140
			3.3 V ≤ V_OUT ≤ 5.5 V		95	130
PSRR	Power-supply rejection ratio	V_IN = V_OUT(NOM) + 1.0 V, I_OUT = 50 mA	f = 1 kHz		50		dB
			f = 100 kHz		45
			f = 1 MHz		30
V_n	Output noise voltage	BW = 10 Hz to 100 kHz, V_OUT = 0.9 V			53		µV_RMS
V_UVLO	Undervoltage lockout	V_IN rising		1.21	1.33	1.47	V
V_UVLO	Undervoltage lockout	V_IN falling		1.17	1.29	1.42	V
V_{UVLO, HYST}	Undervoltage lockout hysteresis	V_IN hysteresis			45		mV
t_STR	Startup time	From EN low-to-high transition to V_OUT = V_OUT(NOM) × 95%			500	700	µs
V_EN(HI)	EN pin high voltage			1.0			V
V_EN(LO)	EN pin low voltage					0.3	V
I_EN	Enable pin current	V_IN = EN = 6.0 V			10		nA
R_{PULL DOWN}	Pulldown resistance	V_IN = 6.0 V			95		Ω
T_SD	Thermal shutdown	Shutdown, temperature increasing			170		°C
T_SD	Thermal shutdown	Reset, temperature decreasing			155		°C

(1) When the device is connected to external feedback resistors at the FB pin, external resistor tolerances are not included.

(2) V_IN = 1.5 V for V_OUT < 1.0 V.

(3) V_IN = 2.0 V for V_OUT < 1.5 V.