Product Overview

Product Overview
NCP1395: Controller, High Performance Resonant Mode
For complete documentation, see the data sheet
Product Description
The NCP1395A/B offers everything needed to build a reliable and rugged resonant mode power supply. Its unique architecture
includes a 1 MHz Voltage Controller Oscillator whose control mode brings flexibility when an ORing function is a necessity, e.g. in
multiple feedback paths implementations. Protections featuring various reaction times, e.g. immediate shutdown or timer-based
event, brown-out, broken opto-coupler detection etc., contribute to a safer converter design, without engendering additional circuitry
complexity. An adjustable deadtime also helps lowering the shoot-through current contribution as the switching frequency increases.
Finally, an on-board operational transconductance amplifier allows for various configurations, including constant output current
working mode or traditional voltage regulation.
Features
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High Frequency Operation from 50 kHz up to 1.0 MHz
Selectable Minimum Switching Frequency with ±3% Accuracy
Timer-Based Input with Auto-Recovery Operation for Delayed Event Reaction
Adjustable Deadtime from 150 ns to 1.0 µs
Startup Sequence via an Adjustable Soft--Start
Brown-Out Protection for a Simpler PFC Association
Latched Input for Severe Fault Conditions, e.g. Overtemperature or OVP
Enable Input for Immediate Event reaction or Simple ON/OFF Control
Operational Transconductance Amplifier (OTA) for Multiple Feedback Loops
Low Startup Current of 300 µA max
For more features, see the data sheet
Applications
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LCD/Plasma TV Converters
High Power Ac--Dc Adapters for Notebooks
Industrial and Medical Power Sources
Offline Battery Chargers
Part Electrical Specifications
Product
Compliance
Status
Topolog
y
Control
Mode
fsw Typ
(kHz)
StandUVLO
by Mode (V)
Short
Circuit
Protecti
on
Latch
Soft
Start
VCC Max Drive
(V)
Cap.
(mA)
Packag
e Type
NCP1395ADR2G
Pb-free
Active
HalfBridge
Voltage
Mode
1000
Yes
Yes
Yes
Yes
Yes
20
180 /
180
SOIC16
Active
HalfBridge
Voltage
Mode
1000
Yes
Yes
Yes
Yes
Yes
20
180 /
180
SOIC16
Halide free
NCP1395BDR2G
Pb-free
Halide free
Application Diagram
For more information please contact your local sales support at www.onsemi.com
Created on: 6/30/2016