ISL8841AMBEP [INTERSIL]
Enhanced Plastic (EP) High Performance Industry Standard Single-Ended Current Mode PWM Controllers; 增强塑料（ EP ）高性能工业标准单端电流模式PWM控制器
| 型号： | ISL8841AMBEP |
| 厂家： | 
Intersil |
| 描述： | Enhanced Plastic (EP) High Performance Industry Standard Single-Ended Current Mode PWM Controllers |
| 文件： | 总3页 (文件大小：76K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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
Features
• Specifications per DSCC VID V62/07621
• Full Mil-Temp Electrical Performance from -55°C to +125°C
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.
• 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
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.
• Enhanced Process Change Notification
• Enhanced Obsolescence Management
• Eliminates Need for Up-Screening a COTS Component
• 1A MOSFET Gate Driver
RISING UVLO
(V)
MAX. DUTY CYCLE
(%)
PART NUMBER
ISL8840AMBEP
ISL8841AMBEP
ISL8842AMBEP
ISL8843AMBEP
ISL8844AMBEP
ISL8845AMBEP
• 90μA Start-up Current, 125μA Maximum
• 35ns Propagation Delay Current Sense to Output
• Fast Transient Response with Peak Current Mode Control
• 30V Operation
7.0
7.0
100
50
14.4
8.4
100
100
50
• Adjustable Switching Frequency to 2MHz
• 20ns Rise and Fall Times with 1nF Output Load
14.4
8.4
50
• 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
• Boost Regulators
ISL884XAMBEP
(8 LD SOIC)
TOP VIEW
COMP
FB
1
2
3
4
8
7
VREF
VDD
OUT
GND
CS
6
5
RTCT
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. All Rights Reserved.
1
All other trademarks mentioned are the property of their respective owners.
ISL8840AMBEP, ISL8841AMBEP, ISL8842AMBEP, ISL8843AMBEP, ISL8844AMBEP, ISL8845AMBEP
Ordering Information
VENDOR PART NUMBER VENDOR ITEM DRAWING
TEMPERATURERANGE
(°C)
PKG.
DWG. #
(Notes 1, 2)
NUMBER
V62/07621-01XB
V62/07621-02XB
V62/07621-03XB
V62/07621-04XB
V62/07621-05XB
V62/07621-06XB
PART MARKING
8840A MBEP
PACKAGE
8 Ld SOIC
ISL8840AMBEP
-55 to +125
-55 to +125
-55 to +125
-55 to +125
-55 to +125
-55 to +125
M8.15
ISL8841AMBEP
ISL8842AMBEP
ISL8843AMBEP
ISL8844AMBEP
ISL8845AMBEP
NOTES:
8841A MBEP
8842A MBEP
8843A MBEP
8844A MBEP
8845A MBEP
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
M8.15
M8.15
M8.15
M8.15
M8.15
1. Add -TK suffix for 1,000 piece quantity tape and reel.
2. Devices must be procured to the VENDOR PART NUMBER.
FN6471.0
April 2, 2007
2
ISL8840AMBEP, ISL8841AMBEP, ISL8842AMBEP, ISL8843AMBEP, ISL8844AMBEP, ISL8845AMBEP
Small Outline Plastic Packages (SOIC)
M8.15 (JEDEC MS-012-AA ISSUE C)
N
8 LEAD NARROW BODY SMALL OUTLINE PLASTIC PACKAGE
INDEX
0.25(0.010)
M
L
B M
H
AREA
INCHES
MILLIMETERS
E
SYMBOL
MIN
MAX
MIN
1.35
0.10
0.33
0.19
4.80
3.80
MAX
1.75
0.25
0.51
0.25
5.00
4.00
NOTES
-B-
A
A1
B
C
D
E
e
0.0532
0.0040
0.013
0.0688
0.0098
0.020
-
-
1
2
3
9
SEATING PLANE
A
0.0075
0.1890
0.1497
0.0098
0.1968
0.1574
-
-A-
3
h x 45°
D
4
-C-
0.050 BSC
1.27 BSC
-
α
H
h
0.2284
0.0099
0.016
0.2440
0.0196
0.050
5.80
0.25
0.40
6.20
0.50
1.27
-
e
A1
C
5
B
0.10(0.004)
L
6
0.25(0.010) M
C
A M B S
N
α
8
8
7
NOTES:
0°
8°
0°
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. Inter-
lead 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
FN6471.0
April 2, 2007
3
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