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부품번호 | NCP1612B 기능 |
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기능 | High-Efficiency Power Factor Controller | ||
제조업체 | ON Semiconductor | ||
로고 | |||
전체 30 페이지수
NCP1612A, NCP1612B,
NCP1612A1, NCP1612A2,
NCP1612A3, NCP1612B2
Enhanced, High‐Efficiency
Power Factor Controller
The NCP1612 is designed to drive PFC boost stages based on an
innovative Current Controlled Frequency Fold−back (CCFF)
method. In this mode, the circuit classically operates in Critical
conduction Mode (CrM) when the inductor current exceeds a
programmable value. When the current is below this preset level, the
NCP1612 linearly decays the frequency down to about 20 kHz when
the current is null. CCFF maximizes the efficiency at both nominal
and light load. In particular, the stand-by losses are reduced to a
minimum.
Like in FCCrM controllers, an internal circuitry allows near-unity
power factor even when the switching frequency is reduced. Housed in
a SO−10 package, the circuit also incorporates the features necessary
for robust and compact PFC stages, with few external components.
General Features
• Near-unity Power Factor
• Critical Conduction Mode (CrM)
• Current Controlled Frequency Fold-back (CCFF): Low Frequency
Operation is Forced at Low Current Levels
• On-time Modulation to Maintain a Proper Current Shaping in CCFF
Mode
• Skip Mode Near the Line Zero Crossing
• Fast Line/Load Transient Compensation
(Dynamic Response Enhancer)
• Valley Turn On
• High Drive Capability: −500 mA/+800 mA
• VCC Range: from 9.5 V to 35 V
• Low Start-up Consumption
• Six Versions: NCP1612A, B, A1, A2, A3 and B2 (see Table 1)
• Line Range Detection
• pfcOK Signal
• This is a Pb-Free Device
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SOIC−10
CASE 751BQ
MARKING DIAGRAM
10
1612x
ALYW
G
1
1612x
A
L
Y
W
G
= Specific Device Code
x = A, A1, A2, A3, B or B2
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb-Free Package
PIN CONNECTIONS
FOVP
Feedback
Vcontrol
Vsense
FFcontrol
1
(Top View)
pfcOK
VCC
DRV
GND
CS/ZCD
ORDERING INFORMATION
See detailed ordering and shipping information on page 32 of
this data sheet.
Safety Features
• Separate Pin for Fast Over-voltage Protection (FOVP)
for Redundancy
• Soft Over-voltage Protection
• Brown-out Detection
• Soft-start for Smooth Start-up Operation
(A, A1, A2 and A3 Versions)
• Over Current Limitation
• Disable Protection if the Feedback is Not Connected
• Thermal Shutdown
• Latched Off Capability
• Low Duty-cycle Operation if the Bypass Diode is
shorted
• Open Ground Pin Fault Monitoring
• Saturated Inductor Protection
• Detailed Safety Testing Analysis
(Refer to Application Note AND9079/D)
© Semiconductor Components Industries, LLC, 2016
May, 2016 − Rev. 9
1
Publication Order Number:
NCP1612/D
NCP1612A, NCP1612B, NCP1612A1, NCP1612A2, NCP1612A3, NCP1612B2
Table 2. MAXIMUM RATINGS
Symbol
Pin
Rating
Value
Unit
VCC
FOVP
9 Power Supply Input
1 FOVP Pin
Feedback
2 Feedback Pin
VCONTROL 3 VCONTROL Pin (Note 1)
Vsense
4 Vsense Pin (Note 5)
FFcontrol
5 FFcontrol Pin
CS/ZCD
6 Input Voltage
Current Injected to Pin 4 (Note 4)
−0.3, +35
−0.3, +10
−0.3, +10
−0.3, VCONTROLMAX
−0.3, +10
−0.3, +10
−0.3, +35
+5
V
V
V
V
V
V
V
mA
DRV
8 Driver Voltage (Note 1)
Driver Current
−0.3, VDRV
−500, +800
V
mA
pfcOK
PD
RqJA
TJ
TJmax
TSmax
TLmax
MSL
10 pfcOK Pin
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, 10s)
Moisture Sensitivity Level
−0.3, VCC
550
145
−40 to +125
150
−65 to 150
300
1
V
mW
°C/W
°C
°C
°C
°C
−
ESD Capability, Human Body Model (Note 2)
> 2000
V
ESD Capability, Machine Model (Note 2)
> 200
V
ESD Capability, Charged Device Model (Note 2)
1000
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.
1. “VCONTROLMAX” is the pin3 clamp voltage and “VDRV” is the DRV clamp voltage (VDRVhigh). If VCC is below VDRVhigh, “VDRV” is VCC.
2. This device(s) contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per JEDEC Standard JESD22−A114E
Machine Model Method 200 V per JEDEC Standard JESD22−A115−A
Charged Device Model Method 1000 V per JEDEC Standard JESD22−C101E
3. This device contains latch-up protection and exceeds 100 mA per JEDEC Standard JESD78.
4. Maximum CS/ZCD current that can be injected into pin6 (see Figure 2).
5. Recommended maximum Vsense voltage for optimal operation is 4.5 V.
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4
4페이지 NCP1612A, NCP1612B, NCP1612A1, NCP1612A2, NCP1612A3, NCP1612B2
Table 3. TYPICAL ELECTRICAL CHARACTERISTICS (continued)
(Conditions: VCC = 15 V, TJ from −40°C to +125°C, unless otherwise specified)
Symbol
Rating
Min Typ
FEED-BACK OVER AND UNDER-VOLTAGE PROTECTION (SOFT OVP AND UVP)
RsoftOVP
Ratio (soft OVP Threshold,
(guaranteed by design)
VFB
rising)
over
VREF
(VsoftOVP /VREF )
104 105
RsoftOVP(HYST)
RUVP
Ratio (Soft OVP Hysteresis) over VREF (guaranteed by design)
Ratio (UVP Threshold, VFB rising) over VREF (VUVP/VREF)
(guaranteed by design)
1.5 2.0
8 12
RUVP(HYST) Ratio (UVP Hysteresis) over VREF (guaranteed by design)
−−
(IB)FB
FB Pin Bias Current @ VFB = VsoftOVP and VFB = VUVP
50 200
FAST OVER VOLTAGE PROTECTION AND BULK UNDER-VOLTAGE PROTECTION (FAST OVP AND BUV)
VfastOVP
RfastOVP1
RfastOVP2
Fast OVP Threshold, VFOVP rising
Ratio (Fast OVP Threshold, VFOVP rising) over (soft OVP Threshold,
VFB rising) (VfastOVP/VsoftOVP) (guaranteed by design)
Ratio (Fast OVP Threshold, VFOVP rising) over VREF (VfastOVP/VREF)
(guaranteed by design)
2.560
101.5
2.675
102.0
106 107
VBUV
RBUV
(IB)FOVP/BUV
VUVP2
BUV Threshold:
NCP1612A, NCP1612B, VFOVP falling
NCP1612A1, NCP1612A3, VFOVP falling
NCP1612A2 and NCP1612B2, VFB falling
Ratio (BUV Threshold) over VREF (VBUV/VREF)
NCP1612A, NCP1612B, VFOVP falling
NCP1612A1, NCP1612A3, VFOVP falling
NCP1612A2 and NCP1612B2, VFB falling
Pin1 Bias Current
@ Vpin1 = VfastOVP (all versions)
@ Vpin1 = VBUV (NCP1612A, NCP1612A1, NCP1612B, NCP1612A3 only)
UVP2 Threshold for Floating Pin Detection
(NCP1612A, NCP1612A1, NCP1612A3 and NCP1612B only)
1.80 1.90
0.90 1.00
1.80 1.90
74 76
37 40
74 76
50 200
50 200
0.2 0.3
BROWN-OUT PROTECTION AND FEED-FORWARD
VBOH
VBOL
VBO(HYST)
TBO(blank)
ICONTROL(BO)
VHL
VLL
VHL(hyst)
THL(blank)
IBO(bias)
pfcOK SIGNAL
Brown-out Threshold, Vsense rising
Brown-out Threshold, Vsense falling
Brown-out Comparator Hysteresis
Brown-out Blanking Time
VCONTROL Pin Sink Current, Vsense < VBOL
High-line Detection Comparator Threshold, Vsense rising
High-line Detection Comparator Threshold, Vsense falling
High-line Detection Comparator Hysteresis
Blanking Time for Line Range Detection
Brown-out Pin Bias Current, Vsense = VBO
0.96
0.86
60
35
40
2.1
1.6
400
15
−250
1.00
0.90
100
50
50
2.2
1.7
500
25
−
(VpfcOK)L
VSTDWN
pfcOK low state voltage @ IpfcOK = 5 mA
Shutdown Threshold Voltage (NCP1612A, NCP1612A1, NCP1612A3 and
NCP1612B only)
−−
7.0 7.5
RpfcOK
Impedance of the pfcOK pin in high state (all versions)
150 300
Max
106
2.5
16
1
450
2.750
102.5
108
2.00
1.10
2.00
78
43
78
450
450
0.4
1.04
0.94
−
65
60
2.3
1.8
600
35
250
250
8.0
−
Unit
%
%
%
%
nA
V
%
%
V
%
nA
V
V
V
mV
ms
mA
V
V
mV
ms
nA
mV
V
kW
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7
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부품번호 | 상세설명 및 기능 | 제조사 |
NCP1612A | High-Efficiency Power Factor Controller | ON Semiconductor |
NCP1612A1 | High-Efficiency Power Factor Controller | ON Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |