NCP1392BDR2G Datasheet PDF - ON Semiconductor

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NCP1392BDR2G
ON Semiconductor

Part Number NCP1392BDR2G
Description High-Voltage Half-Bridge Driver
Page 21 Pages


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NCP1392B, NCP1392D
High-Voltage Half-Bridge
Driver with Inbuilt
Oscillator
The NCP1392B/D is a selfoscillating high voltage MOSFET
driver primarily tailored for the applications using half bridge
topology. Due to its proprietary highvoltage technology, the driver
accepts bulk voltages up to 600 V. Operating frequency of the driver
can be adjusted from 25 kHz to 480 kHz using a single resistor.
Adjustable Brownout protection assures correct bulk voltage
operating range. An internal 100 ms or 12.6 ms PFC delay timer
guarantee that the main downstream converter will be turned on in the
time the bulk voltage is fully stabilized. The device provides fixed
dead time which helps lowering the shootthrough current.
Features
Wide Operating Frequency Range from 25 kHz to 480 kHz
Minimum frequency adjust accuracy $3%
Fixed Dead Time 0.6 ms or 0.3 ms
Adjustable Brownout Protection for a Simple PFC Association
100 ms or 12.6 ms PFC Delay Timer
Nonlatched Enable Input
Internal 16 V VCC Clamp
Low Startup Current of 50 mA
1 A / 0.5 A Peak Current Sink / Source Drive Capability
Operation up to 600 V Bulk Voltage
Internal Temperature Shutdown
SOIC8 Package
These are PbFree Devices
Typical Applications
Flat Panel Display Power Converters
Low Cost Resonant SMPS
High Power AC/DC Adapters for Notebooks
Offline Battery Chargers
Lamp Ballasts
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8
1
SOIC8
CASE 751
MARKING
DIAGRAMS
8
1392x
ALYWW
G
1
1392x
A
L
Y
WW
G
= Specific Device Code
x = B or D
= Assembly Location
= Wafer Lot
= Year
= Work Week
= PbFree Package
PINOUT DIAGRAM
VCC
Rt
BO
GND
Vboot
Mupper
HB
Mlower
ORDERING INFORMATION
Device
Package
Shipping
NCP1392BDR2G
NCP1392DDR2G
SOIC8
(PbFree)
SOIC8
(PbFree)
2500 /
Tape & Reel
2500 /
Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2012
May, 2012 Rev. 3
1
Publication Order Number:
NCP1392/D



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NCP1392B, NCP1392D
Rbo1
Dboot
Cboot
M1
AC
OUTPUT
PFC FRONT STAGE
+
Cbulk
Rbo2
VCC Vboot
Rt Mupper
Bo HB
GND Mlower
NCP1392
Rf Rfmax Rfstart
CSS
M2
DC
+ OUTPUT
Figure 1. Typical Application Example
PIN FUNCTION DESCRIPTION
Pin # Pin Name
Function
1 VCC
2 Rt
Supplies the Driver
Timing Resistor
3 BO
BrownOut
4 GND
IC Ground
5
Mlower
LowSide Driver Output
6 HB HalfBridge Connection
7
Mupper
HighSide Driver Output
8 Vboot
Bootstrap Pin
Pin Description
The driver accepts up to 16 V (given by internal zener clamp)
Connecting a resistor between this pin and GND, sets the operating frequency
Detects low input voltage conditions. When brought above Vref_EN, it stops the
driver. Operation is restored (without any delay) when BO pin voltage drops
100 mV below Vref_EN.
Drives the lower side MOSFET
Connects to the halfbridge output
Drives the higher side MOSFET
The floating supply terminal for the upper stage
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NCP1392B, NCP1392D
VDD
Vref
Rt
Ct
IDT
PFC Delay
(100ms)
VCC
VCC
Vref
VDD
PON
RESET
VCC
Management
VCC
Clamp
TSD
+
+
Vref
BO
SW
+
+
VrefEN
0.5ms
Filter
+
+
VrefBO
20ms
Filter
SQ
D
CLK
RQ
Pulse
Trigger
Level
Shifter
SQ
RQ
UV
Detect
Vboot
Mupper
Bridge
DELAY
VCC
Mlower
HIGH Level for 50ms After VCC On
GND
Figure 2. Internal Circuit Architecture (B Version)
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NCP1392B, NCP1392D
VDD
Vref
Rt
Ct
IDT
PFC Delay
(12.6 ms)
VCC
VCC
Vref
VDD
PON
RESET
VCC
Management
VCC
Clamp
TSD
+
+
Vref
SQ
D
CLK
RQ
Pulse
Trigger
Level
Shifter
SQ
RQ
UV
Detect
Vboot
Mupper
Bridge
DELAY
VCC
Mlower
BO
SW
+
+
VrefBO
20ms
Filter
HIGH Level for 6.3 ms After VCC On
GND
Figure 3. Internal Circuit Architecture (D Version)
http://onsemi.com
4



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