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ver 1.3 sep 29, 2010 tel: 886-3-5788833 http://www.gmt.com.tw 1 G556 global mixed-mode technology inc. dual power distribution switch features ? 100m high-side mosfet ? available with 4 versions of current limits with foldback ? operating range:2.7v to 5.5v ? 400s typical rise time ? under voltage lockout ? 65a quiescent supply current ? 1a maximum shutdown supply current ? logic level enable pin, available with active-high or active-low version ? no reverse current when power off ? deglitched open-drain over-current flag output ( oc ) ? sop-8 package applications ? high-side power protection switch ? usb power management ? usb host and self-powered bubs ? usb bus-powered hubs ? hot plug-in power supplies ? battery-charger circuits general description the G556 is an integrated dual channel 100m power switch for self-powered and bus-powered universal serial bus (usb) applications. several protection features include current limiting with foldback, and thermal shutdown to prevent catas- trophic switch failure caused by increasing power dis- sipation when continuous heavy loads or short circuit occurs. and a built-in charge pump is used to drive the n-channel mosfet that is free of parasitic body diode to eliminate any reversed current flow across the switch when it is powered off. oc is open-drain output report over-current or over-temperature event and has typical 9ms deglitch timeout period. ordering information order number marking enable current limit temp. range package (green) G556a1p1u G556a1 active high 2a -40 c to +85 c sop-8 G556a2p1u G556a2 active low 2a -40 c to +85 c sop-8 G556b1p1u G556b1 active high 1.5a -40 c to +85 c sop-8 G556b2p1u G556b2 active low 1.5a -40 c to +85 c sop-8 G556c1p1u G556c1 active high 1a -40 c to +85 c sop-8 G556c2p1u G556c2 active low 1a -40 c to +85 c sop-8 G556d1p1u G556d1 active high 0.75a -40 c to +85 c sop-8 G556d2p1u G556d2 active low 0.75a -40 c to +85 c sop-8 pin configuration typical application circuit 8 6 5 1 2 3 4 gnd oc1 en1(en1) sop-8 G556 7 out1 in out2 en2 (en2) 0.1 f 22 f load oc1 en1 (en1) oc2 en2 (en2) 0.1 f 22 f load 1 f power supply 2.7v to 5.5v out1 out2 oc2 in 7 2 1 3 4 5 8 8 6 5 1 2 3 4 gnd oc1 en1(en1) sop-8 G556 7 out1 in out2 en2 (en2) 0.1 f 22 f load oc1 en1 (en1) oc2 en2 (en2) 0.1 f 22 f load 1 f power supply 2.7v to 5.5v out1 out2 oc2 in 7 2 1 3 4 5 8

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Price & Availability of G556

Part #	Manufacturer	Description	Price	BuyNow Qty.
GG5566F1T/AA 47AJ8057	Amphenol Positronic	Gg5566F1T/Aa \|Positronic GG5566F1T/AA	100: USD64.56 50: USD68.62 25: USD73.08 10: USD75.52 1: USD84.86	0
GG5566M1E/AA 47AJ8058	Amphenol Positronic	Gg5566M1E/Aa \|Positronic GG5566M1E/AA	100: USD69.2 50: USD73.55 25: USD78.34 10: USD80.95 1: USD90.96	0

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660-023NF11G5-56 660-023NF11G5-56	Glenair Inc	COVER - Bulk (Alt: 660-023NF11G5-56)		0
660-004NF14G5-56 660-004NF14G5-56	Glenair Inc	Connector Accessories Plug Protective Cover Olive Drab Cadmium Over Electroless Nickel 14 Shell Size - Bulk (Alt: 660-004NF14G5-56)		0
660-013ZN13G5-56 660-013ZN13G5-56	Glenair Inc	Connector Accessories Receptacle Protective Cover Olive Drab Zinc Nickel Alloy 13 Shell Size - Bulk (Alt: 660-013ZN13G5-56)		0
660-012ZN13G5-56 660-012ZN13G5-56	Glenair Inc	Connector Accessories Plug Protective Cover Olive Drab Zinc Nickel Alloy 13 Shell Size - Bulk (Alt: 660-012ZN13G5-56)		0

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SG-8018CG 5.5600M-TJHPA0 732-SG818CG556MTJHPA	Seiko Epson Corporation	Standard Clock Oscillators SG-8018CG 5.5600M-TJHPA0: MHZ OSC 1.8V-3.3V +/-50PPM -40-105C O/E 1K TR	1: USD0.97 10: USD0.86 100: USD0.71 500: USD0.673 1000: USD0.56 2000: USD0.55 5000: USD0.539 10000: USD0.529	0
SG-8018CG 5.5600M-TJHSA0 732-SG818CG556MTJHSA	Seiko Epson Corporation	Standard Clock Oscillators SG-8018CG 5.5600M-TJHSA0: MHZ OSC 1.8V-3.3V +/-50PPM -40-105C ST 1K TR	1: USD0.97 10: USD0.86 100: USD0.71 500: USD0.673 1000: USD0.56 2000: USD0.55 5000: USD0.539 10000: USD0.529	0
SG-8018CG 50.0567M-TJHPA0 732-818CG5567MTJHPA	Seiko Epson Corporation	Standard Clock Oscillators SG-8018CG 50.0567M-TJHPA0: MHZ OSC 1.8V-3.3V +/-50PPM -40-105C O/E 1K TR	1: USD0.97 10: USD0.86 100: USD0.71 500: USD0.673 1000: USD0.56 2000: USD0.55 5000: USD0.539 10000: USD0.529	0
SG-8018CG 50.0567M-TJHSA0 732-818CG5567MTJHSA	Seiko Epson Corporation	Standard Clock Oscillators SG-8018CG 50.0567M-TJHSA0: MHZ OSC 1.8V-3.3V +/-50PPM -40-105C ST 1K TR	1: USD0.97 10: USD0.86 100: USD0.71 500: USD0.673 1000: USD0.56 2000: USD0.55 5000: USD0.539 10000: USD0.529	0
SG-8018CG 55.631868M-TJHPA0 732-CG55631868MTJHPA	Seiko Epson Corporation	Standard Clock Oscillators SG-8018CG 55.631868M-TJHPA0: MHZ OSC 1.8V-3.3V +/-50PPM -40-105C O/E 1K TR	1: USD0.97 10: USD0.86 100: USD0.71 500: USD0.673 1000: USD0.56 2000: USD0.55 5000: USD0.539 10000: USD0.529	0

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7218 ACD/P4ADGG556 73243235	SKF	Precision Bearing \| SKF 7218 ACD/P4ADGG556	1: USD2118.13	0
7216 ACD/P4ADGG556 73243234	SKF	Precision Bearing \| SKF 7216 ACD/P4ADGG556	1: USD2415.91	0

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UG-556B/U DEEUG-556B/U	Delta Electronics Inc	N B'HEAD CLAMP JACK RG-58,142/U		156
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GG5566F1T/AA POSGG5566F1T/AA	Amphenol Positronic			0
GG5566M1E/AA POSGG5566M1E/AA	Amphenol Positronic			0
GG5566F1T POSGG5566F1T	Amphenol Positronic			0

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OSG55630C1D (TYPE B) OSG55630C1D-B	OptoSupply Limited	LED; SMD; 5630; green; 25÷35lm; 5.6x3x0.9mm; 120°; 2.8÷3.6V; 150mA	1000: USD0.125 250: USD0.127 50: USD0.15 10: USD0.169 2: USD0.401	2880

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UG-556B/U DEEUG-556B/U	Delta Electronics Inc	N B'HEAD CLAMP JACK RG-58,142/U		52
GG5566M1E POSGG5566M1E	Amphenol Positronic			0
GG5566F1T/AA POSGG5566F1T/AA	Amphenol Positronic			0
GG5566M1E/AA POSGG5566M1E/AA	Amphenol Positronic			0
GG5566F1T POSGG5566F1T	Amphenol Positronic			0

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