NCP1393B Datasheet PDF - ON Semiconductor

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NCP1393B
ON Semiconductor

Part Number NCP1393B
Description High-Voltage Half-Bridge Driver
Page 16 Pages


NCP1393B datasheet pdf
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NCP1393B
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High-Voltage Half-Bridge
Driver with Inbuilt
Oscillator
The NCP1393B is a selfoscillating high voltage MOSFET driver
primarily tailored for the applications using halfbridge 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 250 kHz using a single resistor. Adjustable
brownout protection assures correct bulk voltage operating range. An
internal 100 ms PFC delay timer guarantees that the main downstream
converter will be turned on in the time the bulk voltage is fully
stabilized. The device provides fixed deadtime which helps to lower
the shootthrough current.
Features
Wide Operating Frequency Range from 25 kHz to 250 kHz
Minimum Frequency Adjust Accuracy $3%
Fixed Dead Time 0.6 ms
Adjustable Brownout Protection for a Simple PFC Association
100 ms PFC Delay Timer
Latched Input for Severe Fault Conditions, e.g. Overtemperature or
OVP
Internal 16 V VCC Clamp
Low Startup Current of 50 mA Maximum
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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MARKING
DIAGRAMS
8
1
SOIC8
CASE 751
8
1393B
ALYWW
G
1
A = Assembly Location
L = Wafer Lot
Y = Year
WW = Work Week
G = PbFree Package
VCC
Rt
BO
GND
PINOUT
Vboot
Mupper
HB
Mlower
ORDERING INFORMATION
Device
Package
Shipping
NCP1393BDR2G SOIC8
(PbFree)
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, 2008
October, 2008 Rev. 1
1
Publication Order Number:
NCP1393/D



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NCP1393B
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Rbo1
Dboot
M1
Cboot
AC
OUTPUT PFC FRONT STAGE
+
Cbulk
Rbo2 Rf
VCC Vboot
Rt Mupper
Bo HB
GND Mlower
NCP1393
Rfstart
Rfmax
CSS
M2
Figure 1. Typical Application Example
DC
+ OUTPUT
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VDD
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NCP1393B
SQ
D
+
Rt
Vref
Ct
+
Vref
CLK
RQ
IDT
PFC Delay
(100ms)
VCC
VCC
Vref
VDD
PON
RESET
VCC
Management
VCC
Clamp
TSD
+
+
Vreflatch
20ms
Filter
Q
SR
BO
SW
+
+
VrefBO
20ms
Filter
Pulse
Trigger
Level
Shifter
SQ
RQ
UV
Detect
Delay
Vboot
Mupper
Bridge
VCC
Mlower
Switch SW Open for VBO > VrefBO
GND
Figure 2. Internal Circuit Architecture
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NCP1393B
PIN FUNCTION DESCRIPTION
Pin # Pin Name
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2 Rt
Function
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 Vlatch, it fully latches off
the driver.
Drives the lower side MOSFET.
Connects to the halfbridge output.
Drives the higher side MOSFET.
The floating supply terminal for the upper stage.
MAXIMUM RATINGS TABLE
Symbol
Rating
Value
Unit
Vbridge
Vboot
Vbridge
High Voltage Bridge Pin Pin 6
Floating Supply Voltage
1 to +600
0 to 20
V
V
VDRV_HI HighSide Output Voltage
Vbridge 0.3 to
Vboot + 0.3
V
VDRV_LO LowSide Output Voltage
dVbridge/dt Allowable Output Slew Rate
ICC
V_Rt
Maximum Current that Can Flow into VCC Pin (Pin 1), (Note 1)
Rt Pin Voltage
0.3 to VCC +0.3
$50
20
0.3 to 5
V
V/ns
mA
V
RqJA
RqJA
Maximum Voltage, All Pins (Except Pins 4 and 5)
Thermal Resistance JunctiontoAir, IC Soldered on 50 mm2 Cooper 35 mm
Thermal Resistance JunctiontoAir, IC Soldered on 200 mm2 Cooper 35 mm
Storage Temperature Range
ESD Capability, Human Body Model (All Pins Except Pins 1 , 6, 7 and 8)
0.3 to 10
178
147
60 to +150
2
V
°C/W
°C/W
°C
kV
ESD Capability, Machine Model (All Pins Except Pins 1, 6, 7 and 8)
200 V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. This device contains internal zener clamp connected between VCC and GND terminals. Current flowing into the VCC pin has to be limited
by an external resistor when device is supplied from supply which voltage is higher than VCCclamp (16 V typically). The ICC parameter is
specified for VBO = 0 V.
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