The price listed is the manufacturer's suggested retail price for quantities of 1K units. However, prices in today's market are fluid and may change without notice.
MSL = Moisture Sensitivity Level - per IPC/JEDEC J-STD-020
SMD/VID = Standard Microcircuit Drawing/Vendor Item Drawing
Description
The ISL884xAMBEPZ 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 boost, flyback, and isolated 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 (%)
ISL8840AMBEPZ
7.0
100
ISL8841AMBEPZ
7.0
50
ISL8842AMBEPZ
14.4
100
ISL8843AMBEPZ
8.4
100
ISL8844AMBEPZ
14.4
50
ISL8845AMBEPZ
8.4
50
Key Features
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
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
Tight Tolerance Voltage Reference Over Line, Load and Temperature
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