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ISL8840AMBEP, ISL8841AMBEP, ISL8842AMBEP, ISL8843AMBEP, ISL8844AMBEP, ISL8845AMBEP
Data Sheet April 2, 2007 FN6471.0
Enhanced Plastic (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, 90A start-up current, adjustable operating frequency to 2MHz, and high peak current drive capability with 20ns rise and fall times.
PART NUMBER ISL8840AMBEP ISL8841AMBEP ISL8842AMBEP ISL8843AMBEP ISL8844AMBEP ISL8845AMBEP RISING UVLO (V) 7.0 7.0 14.4 8.4 14.4 8.4 MAX. DUTY CYCLE (%) 100 50 100 100 50 50
Features
* Specifications per DSCC VID V62/07621 * Full Mil-Temp Electrical Performance from -55C to +125C * 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 * 90A Start-up Current, 125A Maximum * 35ns Propagation Delay Current Sense to Output * Fast Transient Response with Peak Current Mode Control * 30V Operation * Adjustable Switching Frequency to 2MHz * 20ns Rise and Fall Times with 1nF Output Load * Trimmed Timing Capacitor Discharge Current for Accurate Deadtime/Maximum Duty Cycle Control * 1.5MHz Bandwidth Error Amplifier
Device Information
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). "Hotlinks" 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
Pinout
ISL884XAMBEP (8 LD SOIC) TOP VIEW
COMP 1 FB 2 CS 3 RTCT 4 8 VREF 7 VDD 6 OUT 5 GND
Applications
* Isolated Flyback and Forward Regulators * Boost Regulators
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 (c) Intersil Americas Inc. 2007. All Rights Reserved. All other trademarks mentioned are the property of their respective owners.
ISL8840AMBEP, ISL8841AMBEP, ISL8842AMBEP, ISL8843AMBEP, ISL8844AMBEP, ISL8845AMBEP
Ordering Information
VENDOR PART NUMBER (Notes 1, 2) ISL8840AMBEP ISL8841AMBEP ISL8842AMBEP ISL8843AMBEP ISL8844AMBEP ISL8845AMBEP NOTES: 1. Add -TK suffix for 1,000 piece quantity tape and reel. 2. Devices must be procured to the VENDOR PART NUMBER. VENDOR ITEM DRAWING NUMBER V62/07621-01XB V62/07621-02XB V62/07621-03XB V62/07621-04XB V62/07621-05XB V62/07621-06XB PART MARKING 8840A MBEP 8841A MBEP 8842A MBEP 8843A MBEP 8844A MBEP 8845A MBEP TEMPERATURE RANGE (C) -55 to +125 -55 to +125 -55 to +125 -55 to +125 -55 to +125 -55 to +125 PACKAGE 8 Ld SOIC 8 Ld SOIC 8 Ld SOIC 8 Ld SOIC 8 Ld SOIC 8 Ld SOIC PKG. DWG. # M8.15 M8.15 M8.15 M8.15 M8.15 M8.15
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FN6471.0 April 2, 2007
ISL8840AMBEP, ISL8841AMBEP, ISL8842AMBEP, ISL8843AMBEP, ISL8844AMBEP, ISL8845AMBEP
Small Outline Plastic Packages (SOIC)
N INDEX AREA E -B1 2 3 SEATING PLANE -AD -CA h x 45 H 0.25(0.010) M BM
M8.15 (JEDEC MS-012-AA ISSUE C)
8 LEAD NARROW BODY SMALL OUTLINE PLASTIC PACKAGE INCHES SYMBOL A A1
L
MILLIMETERS MIN 1.35 0.10 0.33 0.19 4.80 3.80 5.80 0.25 0.40 8 8 0 8 MAX 1.75 0.25 0.51 0.25 5.00 4.00 6.20 0.50 1.27 NOTES 9 3 4 5 6 7 Rev. 1 6/05
MIN 0.0532 0.0040 0.013 0.0075 0.1890 0.1497 0.2284 0.0099 0.016 8 0
MAX 0.0688 0.0098 0.020 0.0098 0.1968 0.1574 0.2440 0.0196 0.050
B C D E e H
C
A1 0.10(0.004)
0.050 BSC
1.27 BSC
e
B 0.25(0.010) M C AM BS
h L N
NOTES: 1. Symbols are defined in the "MO Series Symbol List" in Section 2.2 of Publication Number 95. 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
FN6471.0 April 2, 2007

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