ISL54228 INTERSIL [Intersil Corporation], ISL54228 Datasheet
ISL54228
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ISL54228 Summary of contents
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... High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) ISL54228 The Intersil ISL54228 is a single supply, dual SPST (Single Pole/Single Throw) switch that is configured as a DPST. It can operate from a single 2.7V to 5.25V supply. The part was designed for switching or isolating a USB high-speed source or a USB high-speed and full-speed source in portable battery powered products. The 3.5Ω ...
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... OFF OFF OFF 0 1 OFF 1 0 OFF 1 1 OFF ISL54228 (8 LD 2x2 TDFN) TOP VIEW LOGIC 4MΩ 4MΩ OVP GND 4 DESCRIPTION OUTPUT STATE Normal Normal Low Power Normal OVP OVP Neg OVP Limited Positive OVP ...
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... NiPdAu plate - e4 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. 4. For Moisture Sensitivity Level (MSL), please see device information page for ISL54228. For more information on MSL please see techbrief TB363. 3 ...
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... ISL54228 ISL54228 Thermal Information Thermal Resistance (Typical µTQFN Package (Note TDFN Package (Notes 5, 7 Maximum Junction Temperature (Plastic Package). . Maximum Storage Temperature Range -65°C to +150°C Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp Normal Operating Conditions Temperature Range . . . . . . . . . . . . . . . . . . -40° ...
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... DD DD Positive Supply Current 3.6V 3.6V GND DD DD Positive Supply Current 3.6V 0V (Low Power State) Positive Supply Current 4.3V 2.6V GND ISL54228 ISL54228 Test Conditions: V TEMP TEST CONDITIONS 2.7V 15kΩ 2.7V ...
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... OFF SWITCH V INPUT INPUT 90% SWITCH OUTPUT Logic input waveform is inverted for switches that have the opposite logic sense. FIGURE 1A. MEASUREMENT POINTS 6 ISL54228 ISL54228 Test Conditions: V TEMP TEST CONDITIONS t < 20ns r t < 20ns f SWITCH INPUT V OUT 90% Repeat test for all switches. C capacitance ...
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... Test Circuits and Waveforms V Repeat test for all switches. COMx IMPEDANCE ANALYZER Dx GND Repeat test for all switches. FIGURE 3. CAPACITANCE TEST CIRCUIT 7 ISL54228 ISL54228 (Continued /17mA ON 1 COMx HSDX V 1 17mA Dx GND FIGURE 2. r TEST CIRCUIT SIGNAL GENERATOR ...
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... OUT- 50% 90% 10 FIGURE 5A. MEASUREMENT POINTS 8 ISL54228 ISL54228 (Continued 15.8Ω DIN+ 143Ω 15.8Ω DIN- 143Ω |tro - tri| Delay Due to Switch for Rising Input and Rising Output Signals. |tfo - tfi| Delay Due to Switch for Falling Input and Falling Output Signals. ...
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... D+ COM + GND ISL54228 Detailed Description The ISL54228 device is a dual single pole/single throw (SPST) analog switch configured as a DPST that operates from a single DC power supply in the range of 2.7V to 5.25V. It was designed for switching a USB high-speed source or full-speed source in portable battery powered products offered in small µ ...
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... USB 5V V shorted to one or both of the COM+ and COM- pins or a negative voltage < -0.45V (typ) to -5V gets shorted to one or both of the COM pins, the ISL54228 has OVP circuitry to detect the overvoltage condition and open the SPST switches to prevent damage to the USB down-stream transceiver connected at the signal pins (D-, D+) ...
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... LDO of the portable media device. LOGIC CONTROL The state of the ISL54228 device is determined by the voltage at the OE pin, LP pin, and the signal voltage at the COM pins. Refer to “Truth Table” on page 2. The OE and LP pins are internally pulled low through a ...
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... V (V) COM FIGURE 10. ON-RESISTANCE vs SWITCH VOLTAGE 4.0 +85°C 3.5 +25°C 3 17mA COM 2.0 0 0.1 0.2 V (V) COM FIGURE 12. ON-RESISTANCE vs SWITCH VOLTAGE 12 ISL54228 ISL54228 T = +25°C, Unless Otherwise Specified 0.3 0.4 FIGURE 9. ON-RESISTANCE vs SUPPLY VOLTAGE 0.3 0.4 FIGURE 11. ON-RESISTANCE vs SWITCH VOLTAGE ...
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... Typical Performance Curves V = 3.3V DD FIGURE 14. EYE PATTERN: 480Mbps WITH USB SWITCHES IN THE SIGNAL PATH 13 ISL54228 ISL54228 T = +25°C, Unless Otherwise Specified (Continued) A TIME SCALE (0.2ns/DIV) FN7628.0 July 29, 2010 ...
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... FIGURE 15. EYE PATTERN: 12Mbps WITH USB SWITCHES IN THE SIGNAL PATH 50Ω 0dBm, 0.86VDC BIAS IN 1M 10M FREQUENCY (Hz) FIGURE 16. FREQUENCY RESPONSE 14 ISL54228 ISL54228 T = +25°C, Unless Otherwise Specified (Continued) A TIME SCALE (10ns/DIV) -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 100M 1G 0.001 R = 50Ω ...
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... Unless Otherwise Specified (Continued) A Die Characteristics SUBSTRATE AND TDFN THERMAL PAD POTENTIAL (POWERED UP): GND TRANSISTOR COUNT: 1297 PROCESS: Submicron CMOS 10 100 500 for a complete list of Intersil product families. ISL54228 www.intersil.com/askourstaff http://rel.intersil.com/reports/search.php www.intersil.com/product_tree www.intersil.com/design/quality CHANGE www.intersil.com FN7628.0 July 29, 2010 ...
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... LEAD THIN DUAL FLAT NO-LEAD PLASTIC PACKAGE (TDFN) WITH E-PAD Rev 0, 07/08 2.00 6 PIN 1 INDEX AREA (4X) 0.15 TOP VIEW Package Outline ( 6x0. 8x0.25 ) 0.80 2.00 TYPICAL RECOMMENDED LAND PATTERN 16 ISL54228 ISL54228 8x0. 8x0. max) 1.45 2.00 NOTES: 1. Dimensions are in millimeters. Dimensions ...
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... Package Outline Drawing L8.1.4x1.2 8 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE Rev 0, 4/09 1.40 PIN 1 INDEX AREA TOP VIEW 0.80 REF 8 X 0.20 0.60 0.70 TYPICAL RECOMMENDED LAND PATTERN 17 ISL54228 ISL54228 A B 0.60 0. 0.40 PKG OUTLINE 0.60 7X 0.50 0.60 NOTES: 1. Dimensions are in millimeters. Dimensions Dimensioning and tolerancing conform to AMSE Y14.5m-1994. ...