ISL8840AM, ISL8841AM, ISL8842AM, ISL8843AM, ISL8844AM, ISL8845AM Data Sheet November 17, 2011 Enhanced Product (EP) High Performance Industry Standard Single-Ended Current Mode PWM Controllers The ISL884xAMBEP is a high performance drop-in replacement for the popular 28C4x and 18C4x PWM controllers suitable for a wide range of power conversion applications including flyback, forward and boost output configurations. Its fast signal propagation and output switching characteristics make this an ideal product for existing and new designs. Features include 30V operation, low operating current, 90µA start-up current, adjustable operating frequency to 2MHz, and high peak current drive capability with 20ns rise and fall times. PART NUMBER RISING UVLO (V) MAX. DUTY CYCLE (%) FN6471.2 Features • Specifications per DSCC VID V62/07621 • Full Mil-Temp Electrical Performance from -55°C to +125°C • Controlled Baseline with One Wafer Fabrication Site and One Assembly/Test Site • Full Homogenous Lot Processing in Wafer Fab • No Combination of Wafer Fabrication Lots in Assembly • Full Traceability Through Assembly and Test by Date/Trace Code Assignment • Enhanced Process Change Notification • Enhanced Obsolescence Management • Eliminates Need for Up-Screening a COTS Component • 1A MOSFET Gate Driver • 90µA Start-up Current, 125µA Maximum ISL8840AMBEP 7.0 100 ISL8841AMBEP 7.0 50 • 35ns Propagation Delay Current Sense to Output ISL8842AMBEP 14.4 100 • Fast Transient Response with Peak Current Mode Control ISL8843AMBEP 8.4 100 • 30V Operation ISL8844AMBEP 14.4 50 • Adjustable Switching Frequency to 2MHz ISL8845AMBEP 8.4 50 • 20ns Rise and Fall Times with 1nF Output Load • Trimmed Timing Capacitor Discharge Current for Accurate Deadtime/Maximum Duty Cycle Control Device Information • 1.5MHz Bandwidth Error Amplifier The specifications for an Extended Plastic (EP) device are defined in a Vendor Item Drawing (VID), which is controlled by the Defense Supply Center in Columbus (DSCC). “Hot-links” to the applicable VID and other supporting application information are provided on our website. • Tight Tolerance Voltage Reference Over Line, Load and Temperature • ±3% Current Limit Threshold Applications Pinout • Isolated Flyback and Forward Regulators ISL884XAMBEP (8 LD SOIC) TOP VIEW • Boost Regulators 8 VREF COMP 1 FB 2 7 VDD CS 3 6 OUT RTCT 4 5 GND 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2007, 2008, 2011. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. ISL8840AM, ISL8841AM, ISL8842AM, ISL8843AM, ISL8844AM, ISL8845AM Ordering Information VENDOR PART NUMBER (Notes 1, 2) VENDOR ITEM DRAWING NUMBER PART MARKING TEMPERATURE RANGE (°C) PACKAGE PKG. DWG. # ISL8840AMBEP V62/07621-01XB 8840A MBEP -55 to +125 8 Ld SOIC M8.15 ISL8841AMBEP V62/07621-02XB 8841A MBEP -55 to +125 8 Ld SOIC M8.15 ISL8842AMBEP V62/07621-03XB 8842A MBEP -55 to +125 8 Ld SOIC M8.15 ISL8843AMBEP V62/07621-04XB 8843A MBEP -55 to +125 8 Ld SOIC M8.15 ISL8844AMBEP V62/07621-05XB 8844A MBEP -55 to +125 8 Ld SOIC M8.15 ISL8845AMBEP V62/07621-06XB 8845A MBEP -55 to +125 8 Ld SOIC M8.15 NOTES: 1. Add -TK suffix for 1,000 piece quantity tape and reel. 2. Devices must be procured to the VENDOR PART NUMBER. 2 FN6471.2 November 17, 2011 ISL8840AM, ISL8841AM, ISL8842AM, ISL8843AM, ISL8844AM, ISL8845AM Small Outline Plastic Packages (SOIC) M8.15 (JEDEC MS-012-AA ISSUE C) N 8 LEAD NARROW BODY SMALL OUTLINE PLASTIC PACKAGE INDEX AREA 0.25(0.010) M H B M INCHES E SYMBOL -B- 1 2 3 L SEATING PLANE -A- A D h x 45° -C- e A1 B 0.25(0.010) M C 0.10(0.004) C A M MIN MAX MIN MAX NOTES A 0.0532 0.0688 1.35 1.75 - A1 0.0040 0.0098 0.10 0.25 - B 0.013 0.020 0.33 0.51 9 C 0.0075 0.0098 0.19 0.25 - D 0.1890 0.1968 4.80 5.00 3 E 0.1497 0.1574 3.80 4.00 4 e α B S 0.050 BSC 1.27 BSC - H 0.2284 0.2440 5.80 6.20 - h 0.0099 0.0196 0.25 0.50 5 L 0.016 0.050 0.40 1.27 6 N α NOTES: MILLIMETERS 8 0° 8 8° 0° 7 8° 1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of Publication Number 95. Rev. 1 6/05 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. 3. Dimension “D” does not include mold flash, protrusions or gate burrs. Mold flash, protrusion and gate burrs shall not exceed 0.15mm (0.006 inch) per side. 4. Dimension “E” does not include interlead flash or protrusions. Interlead flash and protrusions shall not exceed 0.25mm (0.010 inch) per side. 5. The chamfer on the body is optional. If it is not present, a visual index feature must be located within the crosshatched area. 6. “L” is the length of terminal for soldering to a substrate. 7. “N” is the number of terminal positions. 8. Terminal numbers are shown for reference only. 9. The lead width “B”, as measured 0.36mm (0.014 inch) or greater above the seating plane, shall not exceed a maximum value of 0.61mm (0.024 inch). 10. Controlling dimension: MILLIMETER. Converted inch dimensions are not necessarily exact. All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. 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. For information regarding Intersil Corporation and its products, see www.intersil.com 3 FN6471.2 November 17, 2011