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ZHCSEI2B January 2016 – June 2021 TPS7A84

PRODUCTION DATA

封裝選項

機械數據 (封裝 | 引腳)

RGR|20
- MPQF239A

散熱焊盤機械數據 (封裝 | 引腳)

RGR|20
- QFND242E

訂購信息

6.5 Electrical Characteristics

over operating junction temperature range (T_J = –40°C to +125°C), V_IN = 1.4 V or V_IN = V_OUT(nom) + 0.4 V (whichever is greater), V_BIAS = open, V_OUT(nom) = 0.8 V⁽²⁾, OUT connected to 50 Ω to GND⁽³⁾, V_EN = 1.1 V, C_IN = 10 μF, C_OUT = 47 μF, C_NR/SS without C_FF, and PG pin pulled up to V_IN with 100 kΩ (unless otherwise noted); typical values are at T_J = 25°C

PARAMETER			TEST CONDITIONS		MIN	TYP	MAX	UNIT
V_IN	Input supply voltage range⁽¹⁾				1.1		6.5	V
V_BIAS	Bias supply voltage range⁽¹⁾		V_IN = 1.1 V		3.0		6.5	V
V_FB	Feedback voltage					0.8		V
V_NR/SS	NR/SS pin voltage					0.8		V
V_UVLO1(IN)	Input supply UVLO with BIAS		V_IN rising with V_BIAS = 3.0 V			1.02	1.085	V
V_HYS1(IN)	V_UVLO1(IN) hysteresis		V_BIAS = 3.0 V			320		mV
V_UVLO2(IN)	Input supply UVLO without BIAS		V_IN rising			1.31	1.39	V
V_HYS2(IN)	V_UVLO2(IN) hysteresis					253		mV
V_UVLO(BIAS)	Bias supply UVLO		V_BIAS rising, V_IN = 1.1 V			2.83	2.9	V
V_HYS(BIAS)	V_UVLO(BIAS) hysteresis		V_IN = 1.1 V			290		mV
V_OUT	Output voltage	Range	Using the ANY-OUT pins		0.8 – 1.0%		3.95 + 1.0%	V
		Range	Using external resistors⁽⁴⁾		0.8 – 1.0%		5.0 + 1.0%	V
		Accuracy⁽⁴⁾⁽⁵⁾	0.8 V ≤ V_OUT ≤ 5 V, 5 mA ≤ I_OUT ≤ 3 A, over V_IN		–1.0%		1.0%
		Accuracy with BIAS	V_IN = 1.1 V, 5 mA ≤ I_OUT ≤ 3 A, 3.0 V ≤ V_BIAS ≤ 6.5 V		–0.75%		0.75%
ΔV_OUT/ ΔV_IN	Line regulation		I_OUT = 5 mA, 1.4 V ≤ V_IN ≤ 6.5 V			0.0035		mV/V
ΔV_OUT/ ΔI_OUT	Load regulation		5 mA ≤ I_OUT ≤ 3 A, 3.0 V ≤ V_BIAS ≤ 6.5 V, V_IN = 1.1 V			0.07		mV/A
			5 mA ≤ I_OUT ≤ 3 A			0.08
			5 mA ≤ I_OUT ≤ 3 A, V_OUT = 5.0 V			0.4
V_DO	Dropout voltage		V_IN = 1.4 V, I_OUT = 3 A, V_FB = 0.8 V – 3%			156	250	mV
			V_IN = 5.4 V, I_OUT = 3 A, V_FB = 0.8 V – 3%			220	340
			V_IN = 1.1 V, V_BIAS = 5.0 V, I_OUT = 3 A, V_FB = 0.8 V – 3%			110	180
I_LIM	Output current limit		V_OUT forced at 0.9 × V_OUT(nom), V_IN = V_OUT(nom) + 0.4 V		3.7	4.2	4.7	A
I_SC	Short-circuit current limit		R_LOAD = 20 mΩ			1.0		A
I_GND	GND pin current		V_IN = 6.5 V, I_OUT = 5 mA			2.8	4	mA
			V_IN = 1.4 V, I_OUT = 3 A			4.2	5.5	mA
			Shutdown, PG = open, V_IN = 6.5 V, V_EN = 0.5 V				25	μA
I_EN	EN pin current		V_IN = 6.5 V, V_EN = 0 V and 6.5 V		–0.1		0.1	μA
I_BIAS	BIAS pin current		V_IN = 1.1 V, V_BIAS = 6.5 V, V_OUT(nom) = 0.8 V, I_OUT = 3 A			2.3	3.5	mA
V_IL(EN)	EN pin low-level input voltage (disable device)				0		0.5	V
V_IH(EN)	EN pin high-level input voltage (enable device)				1.1		6.5	V
V_IT(PG)	PG pin threshold		For falling V_OUT		82% × V_OUT	88.3% × V_OUT	93% × V_OUT	V
V_HYS(PG)	PG pin hysteresis		For rising V_OUT			1% × V_OUT		V
V_OL(PG)	PG pin low-level output voltage		V_OUT < V_IT(PG), I_PG = –1 mA (current into device)				0.4	V
I_lkg(PG)	PG pin leakage current		V_OUT > V_IT(PG), V_PG = 6.5 V				1	μA
I_NR/SS	NR/SS pin charging current		V_NR/SS = GND, V_IN = 6.5 V		4.0	6.2	9.0	μA
I_FB	FB pin leakage current		V_IN = 6.5 V		–100		100	nA
PSRR	Power-supply ripple rejection		V_IN – V_O_UT = 0.4 V, I_OUT = 3 A, C_NR/SS = 100 nF, C_FF = 10 nF, C_OUT = 47 μF \|\| 10 μF \|\| 10 μF	f = 10 kHz, V_OUT = 0.8 V, V_BIAS = 5.0 V		42		dB
				f = 500 kHz, V_OUT = 0.8 V, V_BIAS = 5.0 V		39
				f = 10 kHz, V_OUT = 5.0 V		40
				f = 500 kHz, V_OUT = 5.0 V		25
V_n	Output noise voltage		BW = 10 Hz to 100 kHz, V_IN = 1.1 V, V_OUT = 0.8 V, V_BIAS = 5.0 V, I_OUT = 3 A, C_NR/SS = 100 nF, C_FF = 10 nF, C_OUT = 47 μF \|\| 10 μF \|\| 10 μF			4.4		μV_RMS
V_n	Output noise voltage		BW = 10 Hz to 100 kHz, V_OUT = 5.0 V, I_OUT = 3 A, C_NR/SS = 100 nF, C_FF = 10 nF, C_OUT = 47 μF \|\| 10 μF \|\| 10 μF			7.7		μV_RMS
T_sd	Thermal shutdown temperature		Shutdown, temperature increasing			160		°C
T_sd	Thermal shutdown temperature		Reset, temperature decreasing			140		°C
T_J	Operating junction temperature				–40		125	°C

(1) BIAS supply is required when the V_IN supply is below 1.4 V. Conversely, no BIAS supply is required when the V_IN supply is higher than or equal to 1.4 V. A BIAS supply helps improve dc and ac performance for V_IN ≤ 2.2 V.

(2) V_OUT(nom) is the calculated V_OUT target value from the ANY-OUT in a fixed configuration. In an adjustable configuration, V_OUT(nom) is the expected V_OUT value set by the external feedback resistors.

(3) This 50-Ω load is disconnected when the test conditions specify an I_OUT value.

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

(5) The device is not tested under conditions where V_IN > V_OUT + 1.7 V and I_OUT = 3 A, because the power dissipation is higher than the maximum rating of the package.