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NCP1602 데이터시트 PDF




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기능 High-Efficiency Power Factor Controller
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NCP1602 데이터시트, 핀배열, 회로
NCP1602
Enhanced, High-Efficiency
Power Factor Controller
The 6−pin PFC controller NCP1602 is designed to drive PFC boost
stages. It is based on an innovative Valley Synchronized Frequency
Fold−back (VSFF) method. In this mode, the circuit classically
operates in Critical conduction Mode (CrM) when Vcontrol voltage
exceeds a programmable value Vctrl,FF. When Vcontrol is below this
preset level Vctrl,FF, the NCP1602 (versions [B**] and [D**]) linearly
decays the frequency down to about 30 kHz until Vcontrol reaches the
SKIP mode threshold. VSFF maximizes the efficiency at both
nominal and light load. In particular, the stand−by losses are reduced
to a minimum. Like in FCCrM controllers, internal circuitry allows
near−unity power factor even when the switching frequency is
reduced. Housed in a TSOP6 package, the circuit also incorporates the
features necessary for robust and compact PFC stages, with few
external components.
www.onsemi.com
TSOP−6
SN SUFFIX
1 CASE 318G
MARKING DIAGRAM
AEA AYWG
G
General Features
Near−Unity Power Factor
Two−Level Boost Follower Line Level Dependent (disabled by default)
Critical Conduction Mode (CrM)
Valley Synchronized Frequency Fold−back (VSFF): Low Frequency
Operation is Forced at Low Current Levels
Works With or Without a Transformer w/ ZCD Winding (simple inductor)
1
AEA
A
Y
W
G
= Specific Device Code
= Assembly Location
= Year
= Work Week
= Pb−Free Package
(Note: Microdot may be in either location)
On−time Modulation to Maintain a Proper Current Shaping in VSFF Mode
Skip Mode at Very Low Load Current (versions[ B**] and [D**])
Fast Line / Load Transient Compensation (Dynamic Response Enhancer)
PIN CONNECTIONS
VCTRL 1
6 FB
Valley Turn−on
High Drive Capability: −500 mA / +800 mA
VCC Range: from 9.5 V to 30 V
Low Start−up Consumption for:
[**C] & [**D] Versions: Low Vcc Start−up level (10.5 V)
[**A] & [**B] Versions: High Vcc Start−up level (17.0 V)
Line Range Detection for Reduced Crossover Frequency Spread
This is a Pb−Free Device
GND 2
CS / ZCD 3
5 VCC
4 DRV
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
Safety Features
Thermal Shutdown
Non−latching, Over−Voltage Protection
Second Over−Voltage Protection
Brown−Out Detection
Soft−Start for Smooth Start−up Operation ([**C] &
[**D] Versions)
Over Current Limitation
Disable Protection if the Feedback Pin is Not Connected
Low Duty−Cycle Operation if the Bypass Diode is
Shorted
Open Ground Pin Fault Monitoring
Typical Applications
PC Power Supplies
Lighting Ballasts (LED, Fluorescent)
Flat TV
All Off Line Appliances Requiring Power Factor
Correction
© Semiconductor Components Industries, LLC, 2016
June, 2016 − Rev. 2
1
Publication Order Number:
NCP1602/D




NCP1602 pdf, 반도체, 판매, 대치품
NCP1602
Table 5. MAXIMUM RATINGS TABLE
Symbol
Pin
Rating
Value
Unit
VCTRL
CS/ZCD
1
3
VCONTROL pin
CS/ZCD Pin
−0.3, Vctrl,max(*)
−0.3, +9
V
V
DRV
4
Driver Voltage
Driver Current
−0.3, VDRV (*)
−500, +800
V
mA
VCC
5
Power Supply Input
−0.3, + 30
V
VCC
5
Maximum (dV/dt) that can be applied to VCC
TBD upon test engineer
measurements
V/s
FB 6
Feedback Pin
−0.3, +9
V
PD
RqJA
TJ
TJ,max
TS,max
TL,max
MSL
Power Dissipation and Thermal Characteristics
Maximum Power Dissipation @ TA=70°C
Thermal Resistance Junction to Air
Operating Junction Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10 s)
Moisture Sensitivity Level
550
145
−40 to+125
150
−65 to 150
300
1
mW
°C/W
°C
°C
°C
°C
ESD Capability, HBM model (Note 1)
> 2000
V
ESD Capability, Charged Device Model (Note 1)
> 1500
V
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.
*“Vctrl,max” is the VCTRL pin clamp voltage. “VDRV” is the DRV clamp voltage (VDRVhigh) if VCC is higher than (VDRVhigh). “VDRV” is VCC otherwise.
1. This device(s) contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per JEDEC Standard JESD22−A114E
Charged Device Model Method 1500 V per JEDEC Standard JESD22−C101E.
2. This device contains latch−up protection and exceeds 100 mA per JEDEC Standard JESD78.
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NCP1602 전자부품, 판매, 대치품
NCP1602
Table 6. TYPICAL ELECTRICAL CHARACTERISTICS
(Conditions: VCC = 18 V, TJ from −40°C to +125°C, unless otherwise specified) (Note 3)
Symbol
Rating
Min Typ Max Unit
BROWN−OUT PROTECTION AND FEED−FORWARD (Vsns is an internal pin that replaces Vsense)
VBOL
Brown−Out Threshold, Vmains decreasing, avg(VCS) based
([C**] and [D**] versions)
659 737 801 mV
VBO(HYST)
Brown−Out Comparator Hysteresis ([C**] and [D**] versions)
tBO(blank)
Brown−Out Blanking Time ([C**] and [D**] versions)
IVCTRL(BO)
VCTRL pin sink current during BO condition
VHL Comparator Threshold for Line Range Detection, avg(VCS) rising
VLL Comparator Threshold for Line Range Detection, avg(VCS) falling
VHL(hyst)
Comparator Hysteresis for Line Range Detection
tHL(blank)
Blanking Time for Line Range Detection
THERMAL SHUTDOWN
75
36
20
1.718
1.310
75
13
100
50
30
1.801
1.392
400
25
67
42
1.882
1.474
43
mV
ms
mA
V
V
mV
ms
TLIMIT
Thermal Shutdown Threshold
HTEMP
Thermal Shutdown Hysteresis
SECOND OVERVOLTAGE PROTECTION (OVP2)
150 −
− 50
°C
°C
VOVP2H,HL
OVP2 Threshold, VCS rising, KCS = 138, @ VREF2 = 2.5 V
3.048 3.175 3.302 V
VOVP2L,HL
OVP2 Threshold, VCS falling, KCS = 138, @ VREF2 = 2.5 V
2.969 3.093 3.217 V
VOVP2(HYST),HL
OVP2 Comparator Hysteresis, KCS = 138, @ VREF2 = 2.5 V
50 100
− mV
VOVP2H,LL
OVP2 Threshold, VCS rising, KCS = 138, @ VREF2 = 1.6 V
1.951 2.032 2.113 V
VOVP2L,LL
OVP2 Threshold, VCS falling, KCS = 138, @ VREF2 = 1.6 V
1.901 1.980 2.059 V
VOVP2(HYST),LL
OVP2 Comparator Hysteresis, KCS = 138, @ VREF2 = 1.6 V
30 50
− mV
tLEB,OVP2
OVP2 Leading Edge Blanking Time, VCS rising (guaranteed by design)
− 1000 − ns
tRST(OVP2)
Reset Timer for OVP2 latch
400 800 1200 ms
3. The above specification gives the targeted values of the parameters. The final specification will be available once the complete circuit
characterization has been performed.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
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