NCP1399 Datasheet PDF - ON Semiconductor

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NCP1399
ON Semiconductor

Part Number NCP1399
Description High Performance Current Mode Resonant Controller
Page 30 Pages


NCP1399 datasheet pdf
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NCP1399 Series
High Performance Current
Mode Resonant Controller
with Integrated High-
Voltage Drivers
The NCP1399 is a high performance current mode controller for half
bridge resonant converters. This controller implements 600 V gate
drivers, simplifying layout and reducing external component count. The
built−in Brown−Out input function eases implementation of the
controller in all applications. In applications where a PFC front stage is
needed, the NCP1399 features a dedicated output to drive the PFC
controller. This feature together with dedicated skip mode technique
further improves light load efficiency of the whole application. The
NCP1399 provides a suite of protection features allowing safe operation
in any application. This includes: overload protection, over−current
protection to prevent hard switching cycles, brown−out detection, open
optocoupler detection, automatic dead−time adjust, overvoltage (OVP)
and overtemperature (OTP) protections.
Features
High−Frequency Operation from 20 kHz up to 750 kHz
Current Mode Control Scheme
Automatic Dead−time with Maximum Dead−time Clamp
Dedicated Startup Sequence for Fast Resonant Tank Stabilization
Skip Mode Operation for Improved Light Load Efficiency
Off−mode Operation for Extremely Low No−load Consumption
Latched or Auto−Recovery Overload Protection
Latched or Auto−Recovery Output Short Circuit Protection
Latched Input for Severe Fault Conditions, e.g. OVP or OTP
Out of Resonance Switching Protection
Open Feedback Loop Protection
Precise Brown−Out Protection
PFC Stage Operation Control According to Load Conditions
Startup Current Source with Extremely Low Leakage Current
Dynamic Self−Supply (DSS) Operation in Off−mode or Fault Modes
Pin to Adjacent Pin / Open Pin Fail Safe
These are Pb−Free Devices
Typical Applications
Adapters and Offline Battery Chargers
Flat Panel Display Power Converters
Computing Power Supplies
Industrial and Medical Power Sources
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16
1
SOIC−16 NB
(LESS PINS 2 AND 13)
D SUFFIX
CASE 751DU
MARKING DIAGRAM
16
NCP1399xy
AWLYWWG
1
NCP1399 = Specific Device Code
x = A or B
y = A, B, C, F, G H, I, J, K, L, M, N, P
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb−Free Package
PIN CONNECTIONS
HV 1
VBULK/PFCFB 3
SKIP/REM 4
LLCFB 5
LLCCS 6
OVP/OTP 7
PON/OFF 8
16 VBOOT
15 HB
14 MUPPER
12 MLOWER
11 GND
10 VCC
9 PFCMODE
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information on page 12 of
this data sheet.
© Semiconductor Components Industries, LLC, 2016
September, 2017 − Rev. 13
1
Publication Order Number:
NCP1399/D



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NCP1399 Series
Figure 1. Typical Application Example without PFC Stage − WLLC Design (Active OFF off−mode)
Figure 2. Typical Application Example with PFC Stage (Active OFF off−mode)
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NCP1399 Series
Figure 3. Typical Application Example with PFC Stage (Active ON off−mode)
PIN FUNCTION DESCRIPTION
Pin No. Pin Name
Function
Pin Description
1
HV
High*voltage startup
Connects to rectified AC line or to bulk capacitor to perform functions of
current source input
Start*up Current Source and Dynamic Self*Supply
2 NC
Not connected
Increases the creepage distance
3 VBULK / Bulk voltage monitoring input Receives divided bulk voltage to perform Brown−out protection.
PFC FB
4
SKIP/REM
Skip threshold adjust / Sets the skip in threshold via a resistor connected to ground – version
Off−mode control input NCP1399Ay. Activates off−mode (or Standby) when pulled−up by external
auxiliary voltage source / deactivates off−mode when pull down by external
off−mode control optocoupler – version NCP1399By.
5 LLC FB
LLC feedback input
Defines operating frequency based on given load conditions. Activates skip
mode operation under light load conditions. Activates off−mode operation for
NCP1399Ay version.
6
LLC CS
LLC current sense input Senses divided resonant capacitor voltage to perform on−time modulation, out
of resonant switching protection, over−current protection and secondary side
short circuit protection.
7
OTP / OVP
Over−temperature and Implements over−temperature and over−voltage protection on single pin.
over−voltage protection input
8 P ON/OFF PFC turn−off FB level adjust Adjusts the FB pin to a level below which the PFC stage operation is disabled.
9
PFC MODE
PFC and external HV
Provides supply voltage for PFC front stage controller and/or enables Vbulk
switch control output
sensing network HV switch.
10 VCC Supplies the controller The controller accepts up to 20 V on VCC pin
11 GND
Analog ground
Common ground connection for adjust components, sensing networks and
DRV outputs.
12
MLOWER
Low side driver output
Drives the lower side MOSFET
13 NC
Not connected
Increases the creepage distance
14 MUPPER High side driver output Drives the higher side MOSFET
15 HB Half*bridge connection Connects to the half*bridge output.
16 VBOOT
Bootstrap pin
The floating VCC supply for the upper stage
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NCP1399 Series
Figure 4. Internal Circuit Architecture
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
HV Startup Current Source HV Pin Voltage (Pin 1)
VBULK/PFC FB Pin Voltage (Pin3)
SKIP/REM Pin Voltage (Pin 4) NCP1399Ay Revision Only
SKIP/REM Pin Voltage (Pin 4) NCP1399By Revision Only
LLC FB Pin Voltage (Pin 5)
LLC CS Pin Voltage (Pin 6)
PFC MODE Pin Output Voltage (Pin 9)
VCC Pin Voltage (Pin 10)
Low Side Driver Output Voltage (Pin 12)
High Side Driver Output Voltage (Pin 14)
VHV
VBULK/PFC FB
VSKIP/REM
VSKIP/REM
VFB
VCS
VPFC MODE
VCC
VDRV_MLOWER
VDRV_MUPPER
−0.3 to 600
−0.3 to 5.5
−0.3 to 5.5
−0.3 to 10
−0.3 to 5.5
−5 to 5
−0.3 to VCC + 0.3
−0.3 to 20
−0.3 to VCC + 0.3
VHB – 0.3 to
VBOOT + 0.3
V
V
V
V
V
V
V
V
V
V
High Side Offset Voltage (Pin 15)
VHB
VBoot −20 to
VBoot +0.3
V
High Side Floating Supply Voltage (Pin 16)
High Side Floating Supply Voltage (Pin 15 and 16)
TJ = −40°C to +125°C
TJ = −55°C to −40°C
Allowable Output Slew Rate on HB Pin (Pin 15)
OVP/OTP Pin Voltage (Pin 7)
P ON/OFF Pin Voltage (Pin 8)
Junction Temperature
Storage Temperature
Thermal Resistance Junction−to−air
Human Body Model ESD Capability per JEDEC JESD22−A114F (except HV Pin – Pin 1)
VBOOT
VBoot–VHB
dV/dtmax
VOVP/OTP
VP ON/OFF
TJ
TSTG
RθJA
−0.3 to 620
−0.3 to 618
−0.3 to 20.0
50
−0.3 to 5.5
−0.3 to 5.5
−55 to 150
−55 to 150
130
4.5
V
V
V/ns
V
V
°C
°C
°C/W
kV
Charged−Device Model ESD Capability per JEDEC JESD22−C101E
− 1 kV
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
1. This device contains latch−up protection and exceeds 100 mA per JEDEC Standard JESD78.
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