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端口保护与功率分配

Current Limited Load Switches (USB PCMCIA)

• Multiple Input High Side Switches | Current Limiters

Part Number	# of Channels	Enable	Fault Flag	ILIM	Shutdown	RDS(ON) (mΩ) (Typ)	VIN (V)	IQ (typ) (μA)	Package (mm)
AAT4650	2	No	Yes	Fixed 1A	Yes	80	2.7-5.5	15	SOP 8L, 4.9 x 6.0 x 1.55
AAT4670	2	No	Yes	Fixed 1A	Yes	95	2.2-5.5	18	SOP 8L, 4.9 x 6.0 x 1.55
AAT4672	2	Yes	Yes	2A	No	120	2.5-6.0	10	TSOPJW 12L, 3 x 2.85 x 1.02
AAT4674	2	Yes	No	2A	No	120	2.5-6.0	10	TSOPJW 12L, 3 x 2.85 x 1.02

• Single Input High Side Switches | Current Limiters

Part Number	# of Channels	Enable	Fault Flag	ILIM	RDS(ON) (mΩ) (Typ)	VIN (V)	IQ (typ) (μA)	Package (mm)
AAT4601	1	Yes	Yes	Adj 1.8A	70	2.7-5.5	12	SOP 8L, 4.9 x 6.0 x 1.55
AAT4601A	1	Yes	Yes	Adj 1.8A	70	2.7-5.5	12	SOP 8L, 4.9 x 6.0 x 1.55, MSOP 8L 4.9 x 3.0 x 0.95
AAT4608	1	No	No	Adj 1A	160	2.7-5.5	15	SOT-23 5L, 2.85 x 2.80 x 1.20
AAT4610	1	Yes	No	Adj 1A	160	2.7-5.5	15	SOT-23 5L, 2.85 x 2.80 x 1.20
AAT4610A	1	Yes	No	Adj 1A	145	2.4-5.5	9	"SOT-23 5L 2.85 x 2.80 x 1.20, SC70JW 8L 2.0 x 2.1 x 1.05"
AAT4610B	1	Yes	No	Adj 1A	145	2.4-5.5	9	"SOT-23 5L 2.85 x 2.80 x 1.20, SC70JW 8L 2.0 x 2.1 x 1.05"
AAT4611	1	Yes	No	Adj 1A	160	2.7-5.5	15	SOT-23 5L, 2.85 x 2.80 x 1.20
AAT4614	1	Yes	Yes	Adj 1.6A	160	2.4-5.5	10	SC70JW 8L, 2.0 x 2.1 x 1.05, SOT-23 6L, 2.85 x 2.80 x 1.20, SOT-23 5L, 2.85 x 2.80 x 1.20
AAT4616	1	Yes	Yes	300mA to 1.6A	130	2.4-5.5	10	SOT-23 5L, 2.85 x 2.80 x 1.20, TDFN22-8, 2 x 2 x 0.75
AAT4616A	1	Yes	Yes	300mA to 1.6A	130	2.4-5.5	10	TDFN22 6L, 2 x 2 x 0.75
AAT4618	1	Yes	Yes	Fixed 400mA, 500mA, 1A	125	2.4-5.5	10	SOT-23 5L, 2.85 x 2.80 x 1.20, SC70JW 8L, 2.0 x 2.1 x 1.05
AAT4620	1	Yes	Yes	Adj 1.2A	65	3.0-5.5	40	TSOPJW 12L, 3 x 2.85 x 1.02
AAT4621	1	Yes	Yes	Adj 1.2A	65	3.0-5.5	40	TDFN 14L, 3 x 3 x 0.75
AAT4625	1	Yes	Yes	Fixed 1A, 1.5A, 2A	60	2.7-5.5	16	SOP 8L, 4.9 x 6.0 x 1.55, MSOP 8L 4.9 x 3.0 x 0.95
AAT4626	2	Yes	Yes	Fixed 750mA, 1A, 1.5A	90	2.7-5.5	20	SOP 8L, 4.9 x 6.0 x 1.55
AAT4631/4631-1	1	Yes	Yes	500mA to 3.1A	90	2.4-5.5	10	TDFN2222-10, 2.2 x 2.2 x 0.75
AAT4644	4	No	No	Fixed 600mA, 1A, 1.5A	100	2.7-5.5	20	TSSOP 8L, 3.0 x 6.4 x 1.2, SOP 8L, 4.9 x 6.0 x 1.55
AAT4687-1	N/A	Yes	Yes	N/A	120	2.2--28	35	—
AAT4702	1	Yes	Yes	150mA, 1A	220	2.4-5.5	15	FTDFN22 8L 2 x 2 x 0.75

I/O Expander Serial Controlled Load Switches

Part Number	# of Channels	Enable	Turn On Rise Time (TR)	RDS(ON) (mΩ) (Typ)	VIN (V)	IQ (typ) (μA)	Package (mm)
AAT4290	5	S2Cwire™	0.27µs	1100	1.8-5.5	4.5	SC70JW 8L, 2.0 x 2.1 x 1.05
AAT4290A	5	S2Cwire™	270ns	1100	1.8-5.5	4.5	SC70JW 8L, 2.0 x 2.1 x 1.05
AAT4291	3	S2Cwire™	0.27µs	1100	1.8-5.5	4.5	SC70JW 8L, 2.0 x 2.1 x 1.05
AAT4292	7	AS2Cwire™	0.27µs	1100	1.8-5.5	6.3	SC70JW 10L, 2.0 x 2.2 x 0.55
AAT4296	5	S2Cwire™	1.6 ?s	Pch 2.5, Nch 1.9	1.8-5.5	3	SC70JW 8L, 2.0 x 2.1 x 1.05
AAT4298	6	S2Cwire™	1.6 ?s	Pch 2.5, Nch 1.9	1.8-5.5	3	SC70JW 10L, 2.0 x 2.2 x 0.55, TSOPJW 12L, 3 x 2.85 x 1.02

Over Voltage Protection

Part Number	# of Channels	Enable	Fault Flag	ILIM	RDS(ON) (mΩ) (Typ)	VIN (V)	IQ (typ) (μA)	Package (mm)
AAT4684	1	Yes	Yes	1.8A	100	3.0-14.0	30	TSOPJW 12L, 3 x 2.85 x 1.02
AAT4685	1	Yes	Yes	1.9A	120	3.0-28.0	600	TDFN 12L, 3 x 3 x 0.75
AAT4686	1	Yes	Yes	N/A	N/A	3.0-14.0	30	SC70JW 8L, 2.0 x 2.1 x 1.05
AAT4687	1	Yes	Yes	N/A	130	3.0-14.0	30	SC70JW 10L, 2.0 x 2.2 x 0.55

Slew Rate Controlled

Part Number	# of Channels	Enable	Turn On Rise Time (TR)	RDS(ON) (mΩ) (Typ)	VIN (V)	IQ (typ) (μA)	Package (mm)
AAT4250	1	Yes	1.5 ms	120	1.8-5.5	2	SOT-23 5L, (SOT25) 2.85 x 2.80 x 1.20 SC70JW 8L, 2.0 x 2.1 x 1.05
AAT4252A	2	Yes	1ms, 0.5µs, 100µs	87	1.5-6.5	0.5	TSOPJW 12L, 3 x 2.85 x 1.02
AAT4280	1	Yes	0.5µs, 0.1ms, 1.0ms	80	1.8-5.5	2	SOT-23 6L, 2.85 x 2.80 x 1.20, SC70JW8L 2.2 x 2.0 x 1.05
AAT4280A	1	Yes	0.5µs, 0.1ms, 1.0ms	80	1.5-5.5	0.025	SOT-23 6L, 2.85 x 2.80 x 1.20, SC70JW8L 2.2 x 2.0 x 1.05
AAT4282A	2	Yes	0.5µs, 0.1ms, 1.0ms	60	1.5-6.5	1	FTDFN22-8 2.0 x 2.0 x 0.75, SC70JW 8L 2.2 x 2.0 x 1.05
AAT4282B	2	Yes	0.065ms, 0.75ms	67	1.5-6.5	0.04	TDFN22-8, 2.0 x 2.0 x 0.75
AAT4285	1	Yes	0.1ms	240	3.0-13.2	25	SC70JW 8L, 2.2 x 2.0 x 1.05