米6体育平台手机版

ZHCSGF2C July 2017 – June 2019 TLV743P

PRODUCTION DATA.

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)

DBV|5
DQN|4

散热焊盘机械数据 (封装 | 引脚)

DQN|4
- QFND355C

订购信息

6.5 Electrical Characteristics

at operating temperature range (T_J = –40°C to +125°C), V_IN = V_OUT(nom) + 0.5 V or 2 V (whichever is greater), I_OUT = 1 mA, V_EN = V_IN, and C_IN = C_OUT = 1 µF (unless otherwise noted). All typical values at T_J = 25°C.

PARAMETER		TEST CONDITIONS		MIN	TYP	MAX	UNIT
V_IN	Input voltage			1.4		5.5	V
	DC output accuracy	T_J = 25°C		–1%		1%
	DC output accuracy	–40°C ≤ T_J ≤ 125°C		–1.4%		1.4%
UVLO	Undervoltage lockout	V_IN rising			1.3	1.4	V
UVLO	Undervoltage lockout	V_IN falling			1.25		V
ΔV_O(ΔVI)	Line regulation	ΔVI = V_IN(nom) to V_IN(nom)+ 1			1		mV
ΔV_O(ΔIO)	Load regulation	ΔIO = 1 mA to 300 mA	DBV package		16		mV
ΔV_O(ΔIO)	Load regulation	ΔIO = 1 mA to 300 mA	DBV package		25		mV
V_DO	Dropout voltage⁽¹⁾	V_OUT = 0.98 × V_OUT(nom) I_OUT = 300 mA	V_OUT = 1.1 V –40°C ≤ T_J ≤ 85°C			480	mV
			1.2 V ≤ V_OUT < 1.5 V –40°C ≤ T_J ≤ 85°C			420
			1.5 V ≤ V_OUT < 1.8 V –40°C ≤ T_J ≤ 85°C			370
			1.8 V ≤ V_OUT < 2.5 V –40°C ≤ T_J ≤ 85°C			270
			2.5 V ≤ V_OUT < 3.3 V –40°C ≤ T_J ≤ 85°C			260
			V_OUT = 3.3 V –40°C ≤ T_J ≤ 85°C		125	220
			1.2 V ≤ V_OUT < 1.5 V –40°C ≤ T_J ≤ 125°C			450
			1.5 V ≤ V_OUT < 1.8 V –40°C ≤ T_J ≤ 125°C			400
			1.8 V ≤ V_OUT < 2.5 V –40°C ≤ T_J ≤ 125°C			300
			2.5 V ≤ V_OUT < 3.3 V –40°C ≤ T_J ≤ 125°C			290
			V_OUT = 3.3 V –40°C ≤ T_J ≤ 125°C		125	270
I_GND	Ground pin current	I_OUT = 0 mA			34	60	µA
I_SHDN	Shutdown current	V_EN ≤ 0.35 V 2 V ≤ V_IN ≤ 5.5 V T_J = 25°C			0.1	1	µA
PSRR	Power-supply rejection ratio	V_OUT = 1.8 V I_OUT = 300 mA	f = 100 Hz		68		dB
			f = 10 kHz		35
			f = 100 kHz		28
V_n	Output noise voltage	Bandwidth = 10 Hz to 100 kHz V_OUT = 1.8 V I_OUT = 10 mA			120		µV_RMS
V_EN(HI)	EN pin high voltage (enabled)			0.9			V
V_EN(LO)	EN pin low voltage (disabled)					0.35	V
I_EN	EN pin current	V_EN = 5.5 V			0.01		µA
t_STR	Startup time	Time from EN assertion to 98% × V_OUT(nom) V_OUT = 1 V I_OUT = 0 mA			250		µs
t_STR	Startup time	Time from EN assertion to 98% × V_OUT(nom) V_OUT = 3.3 V I_OUT = 0 mA			800		µs
	Pulldown resistor	V_IN = 2.3 V			120		Ω
I_LIM	Output current limit			360		700	mA
I_OS	Short-circuit current limit	V_OUT shorted to GND V_OUT = 1 V			150		mA
I_OS	Short-circuit current limit	V_OUT shorted to GND V_OUT = 3.3 V			170		mA
T_sd	Thermal shutdown	Shutdown, temperature increasing			160		°C
T_sd	Thermal shutdown	Reset, temperature decreasing			140		°C

(1) Dropout voltage for the TLV743P is not valid at room temperature. The device engages undervoltage lockout (V_IN< UVLO_FALL) before the dropout condition is met.