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NCV8876 데이터시트 PDF




ON Semiconductor에서 제조한 전자 부품 NCV8876은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 NCV8876 자료 제공

부품번호 NCV8876 기능
기능 Automotive Grade Start-Stop Non-Synchronous Boost Controller
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NCV8876 데이터시트, 핀배열, 회로
NCV8876
Automotive Grade
Start-Stop Non-Synchronous
Boost Controller
The NCV8876 is a Non-Synchronous Boost controller designed to
supply a minimum output voltage during Start-Stop vehicle operation
battery voltage sags. The controller drives an external N-channel
MOSFET. The device uses peak current mode control with internal
slope compensation. The IC incorporates an internal regulator that
supplies charge to the gate driver.
Protection features include, cycle-by-cycle current limiting,
protection and thermal shutdown.
Additional features include low quiescent current sleep mode
operation. The NCV8876 is enabled when the supply voltage drops
below 7.3 V, with boost operation initiated when the supply voltage is
below 6.8 V.
Features
Automatic Enable Below 7.3 V (Factory Programmable)
Boost Mode Operation at 6.8 V
$2% Output Accuracy Over Temperature Range
Peak Current Mode Control with Internal Slope Compensation
Externally Adjustable Frequency Operation
Wide Input Voltage Range of 2 V to 40 V, 45 V Load Dump
Low Quiescent Current in Sleep Mode (<11 mA Typical)
CyclebyCycle Current Limit Protection
HiccupMode Overcurrent Protection (OCP)
Thermal Shutdown (TSD)
This is a PbFree Device
Typical Applications
Applications Requiring Regulated Voltage through Cranking and
StartStop Operation
www.onsemi.com
8
1
SOIC8
D SUFFIX
CASE 751
MARKING
DIAGRAM
8
8876xx
ALYW
G
1
8876xx = Specific Device Code
xx = 00, 01
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = PbFree Package
PIN CONNECTIONS
STATUS 1
ISNS 2
GND 3
GDRV 4
8 ROSC
7 VC
6 VOUT
5 VDRV
(Top View)
ORDERING INFORMATION
Device
Package
Shipping
NCV887600D1R2G SOIC8 2500 / Tape &
(PbFree)
Reel
NCV887601D1R2G SOIC8 2500 / Tape &
(PbFree)
Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2016
August, 2016 Rev. 12
1
Publication Order Number:
NCV8876/D




NCV8876 pdf, 반도체, 판매, 대치품
NCV8876
ELECTRICAL CHARACTERISTICS (40°C < TJ < 150°C, 3.6 V < VOUT < 40 V, unless otherwise specified) Min/Max values are
guaranteed by test, design or statistical correlation.
Characteristic
Symbol
Conditions
Min Typ Max Unit
GENERAL
Quiescent Current, Sleep Mode
Quiescent Current, No switching
Iq,sleep
Iq,off
VOUT = 13.2 V, TJ = 25°C
Into VOUT pin, 6.8 V < VOUT < 7.3 V,
No switching
12 14 mA
2.2 4.0 mA
OSCILLATOR
Switching Frequency
FSW
Operating Range
NCV887600 153 501 kHz
NCV887601 153 501
ROSC Voltage
Default Switching
Minimum Pulse Width
Maximum Duty Cycle
Slope Compensating Ramp
(Note 2)
VROSC
1.0
V
FSW
ROSC = Open (NCV887600, NCV887601)
ROSC = 100 kW
153
180
170
200
187
220
kHz
ROSC = 20 kW
283 315 347
ROSC = 10 kW
409 455 501
ton,min
90 115 140 ns
Dmax
ROSC = OPEN
81 83 85 %
Sa NCV887600 30 34 38 mV/ ms
NCV887601 46 53 60
STATUS FLAG
STATUS Wake Up Delay
STATUS Pulldown Capability
VOUT < 7.3 V
Sinking 1.0 mA
9.3 14.0 ms
− − 400 mV
CURRENT SENSE AMPLIFIER
LowFrequency Gain
Bandwidth
ISNS Input Bias Current
Current Limit Threshold Voltage
Acsa
Inputtooutput gain at dc, ISNS 1 V
0.9 1.0 1.1 V/V
BWcsa
Gain of Acsa 3 dB
2.5
MHz
Isns,bias
Out of ISNS pin
30 50 mA
Vcl Voltage on ISNS pin
NCV887600 360 400 440 mV
NCV887601 180 200 220
Current Limit, Response Time
(Note 2)
Overcurrent Protection,
Threshold Voltage
tcl
%Vocp
CL tripped until GDRV falling edge,
VISNS = Vcl(typ) + 60 mV
Percent of Vcl
80 125
125 150 175
ns
%
Overcurrent Protection,
Response Time (Note 2)
tocp From overcurrent event, Until switching
stops, VISNS = VOCP + 40 mV
VOLTAGE ERROR OPERATIONAL TRANSCONDUCTANCE AMPLIFIER
80 125 ns
Transconductance
VEA Output Resistance (Note 2)
VEA Maximum Output Voltage
VEA Sourcing Current
VEA Sinking Current
VEA Clamp Voltage
VC Delay
gm,vea
Ro,vea
Vc,max
Isrc,vea
Isnk,vea
Vc,clamp
VOUT = ±100 mV
VEA output current, Vc = 2.0 V
VEA output current, Vc = 1.5 V
VOUT < 7.3 V
VneOtUwTo<rk7d.i3scVowninthecVteCdpin compensation
0.8 1.2 1.63 mS
2.0
MW
2.5 − − V
80 100
mA
80 100
mA
1.1
V
53 60 ms
GATE DRIVER (Note 3)
Sourcing Current
Sinking Current
Isrc VVDDRRVV6VVG,DRV = 2 V
Isink VGDRV 2 V
NCV887600 550
800
mA
NCV887601 550
800
NCV887600 500
600
mA
NCV887601 500
600
Driving Voltage Dropout (Note 2)
Vdrv,do
VOUT VDRV, IvDRV = 25 mA
0.3 0.6 V
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NCV8876 전자부품, 판매, 대치품
NCV8876
4.1 VOUT Rising
4.0
3.9
3.8
3.7
VOUT Falling
3.6
3.5
50 0 50 100 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. UVLO Threshold vs. Temperature
7.8
7.7
7.6
7.5
7.4
7.3
7.2
50
ENABLE
DISABLE
0 50 100
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Threshold IC Voltage vs.
Temperature
150
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