ISL8088EVAL1Z Intersil, ISL8088EVAL1Z Datasheet
ISL8088EVAL1Z
Specifications of ISL8088EVAL1Z
Related parts for ISL8088EVAL1Z
ISL8088EVAL1Z Summary of contents
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... CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | 1-888-INTERSIL or 1-888-468-3774 Intersil (and design registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2009, 2010. All Rights Reserved All other trademarks mentioned are the property of their respective owners. (see page 17) ...
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Typical Application INPUT 2.75V TO 5.5V C1 10µF 2 ISL8088 L1 2.2µH LX1 C2 10µF PGND FB1 VIN EN1 ISL8088 EN2 L2 2.2µH LX2 PG C4 10µF PGND SYNC FB2 PGND OUTPUT1 2.5V/800mA C3 10pF R2 316k R3 100k OUTPUT2 ...
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... These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 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. ...
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... Thermal Resistance (Typical 3x3 DFN Package (Notes 0.3V Storage Temperature Range . . . . . . . . . . . -65°C to +150°C IN Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp Recommended Operating Conditions V Supply Voltage Range . . . . . . . . . . . . . . . 2.75V to 5.5V IN Load Current Range Per Channel 0mA to 800mA Ambient Temperature Range . . . . . . . . . . . -40°C to +85°C Junction Temperature Range . . . . . . . . . . -40° ...
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Electrical Specifications Unless otherwise noted, all parameter limits are established over the recommended operating conditions 2.2µ 10µ 10µF, IOUT1 = IOUT2 = 0A to 800mA. (Typical values are at T range, ...
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Typical Operating Performance T = +25° 2.75V to 5.5V 800mA. OUT1 OUT2 100 90 80 2.5V - PWM OUT 70 1.5V OUT 1.2V - PWM OUT 60 ...
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Typical Operating Performance T = +25° 2.75V to 5.5V 800mA. (Continued) OUT1 OUT2 1. PFM MODE IN 1.55 3.3V V PFM IN 1.54 1.53 1.52 ...
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Typical Operating Performance T = +25° 2.75V to 5.5V 800mA. (Continued) OUT1 OUT2 500ns/DIV LX1 2V/DIV V RIPPLE 20mV/DIV OUT1 I 0.5A/DIV L1 FIGURE 13. STEADY STATE ...
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Typical Operating Performance T = +25° 2.75V to 5.5V 800mA. (Continued) OUT1 OUT2 V RIPPLE 20mV/DIV OUT1 I 0.5A/DIV L1 50µs/DIV FIGURE 19. LOAD TRANSIENT CHANNEL 1 ...
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Typical Operating Performance T = +25° 2.75V to 5.5V 800mA. (Continued) OUT1 OUT2 50µs/DIV FIGURE 25. SOFT-START AT NO LOAD CHANNEL 1 (PFM) 50µs/DIV FIGURE 27. SOFT-START ...
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Typical Operating Performance T = +25° 2.75V to 5.5V 800mA. (Continued) OUT1 OUT2 200ns/DIV LX1 2V/DIV SYNCH 2V/DIV V RIPPLE 20mV/DIV I 0.5A/DIV OUT1 L1 FIGURE 31. ...
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Typical Operating Performance T = +25° 2.75V to 5.5V 800mA. (Continued) OUT1 OUT2 PHASE1 5V/DIV I 0.5A/DIV L1 V 1V/DIV OUT1 PG 5V/DIV FIGURE 37. OUTPUT SHORT ...
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Block Diagram SOFT- START SHUTDOWN + EN1 0.6V BANDGAP + EAMP - 3pF SLOPE COMP FB1 0.3V 1.6k + VIN 0.552V - 1M PG 1ms DELAY SGND SOFT- START SHUTDOWN + EN2 0.6V BANDGAP EAMP + - 3pF SLOPE COMP ...
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Theory of Operation The ISL8088 is a dual 800mA step-down switching regulator optimized for battery-powered or mobile applications. The regulator operates at 2.25MHz fixed switching frequency under heavy load conditions to allow small external inductor and capacitors to be used ...
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Once the skip mode is entered, the pulse modulation starts being controlled by the SKIP comparator shown in the “Block Diagram” on page 13. Each pulse cycle is still synchronized by the PWM clock. The P-MOSFET is turned on at ...
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The inductor ripple current can be expressed as shown in Equation 1: ⎛ ⎞ • ⎜ ⎟ --------- – O ⎝ V ⎠ IN ΔI -------------------------------------- - = • L ...
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... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries ...
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Package Outline Drawing L10.3x3C 10 LEAD DUAL FLAT PACKAGE (DFN) Rev 2, 09/09 3.00 6 PIN 1 INDEX AREA C B (4X) 0.10 TOP VIEW PACKAGE (10 x 0.60) OUTLINE (10x 0.25) (8x 0.50) 1.64 TYPICAL RECOMMENDED LAND PATTERN 18 ...