IR2520 PDF даташит
Спецификация IR2520 изготовлена «International Rectifier» и имеет функцию, называемую «ADAPTIVE BALLAST CONTROL IC». |
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Детали детали
Номер произв | IR2520 |
Описание | ADAPTIVE BALLAST CONTROL IC |
Производители | International Rectifier |
логотип |
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ADVANCE DATA
Data Sheet No. PD60212 Rev A
IR2520D(S)
ADAPTIVE BALLAST CONTROL IC
Features
• 600V Half Bridge Driver
• Integrated Bootstrap Diode
• Adaptive zero-voltage switching (ZVS)
• Internal Crest Factor Over-Current Protection
• 0 to 5VDC Voltage Controlled Oscillator
• Programmable minimum frequency
• Micropower Startup Current (150uA)
• Internal 15.6V zener clamp on Vcc
• Small DIP8/SO8 Package
Packages
8-Lead PDIP
IR2520D
8 Lead SOIC
IR2520DS
Description
The IR2520D(S) is a complete adaptive ballast controller and 600V half-bridge driver integrated into a single
IC for fluorescent lighting applications. The IC includes adaptive zero-voltage switching (ZVS), internal crest
factor over-current protection, as well as an integrated bootstrap diode. The heart of this IC is a voltage
controlled oscillator with externally programmable minimum frequency. All of the necessary ballast features
are integrated in a small 8-pin DIP or SOIC package.
Typical Application Diagram
BR
F1
L1
RSUPPLY
VCC
1
C1 CVCC COM
2
RFMIN FMIN
3
VCO
4
CVCO
DCP1
C2
CFL LAMP
VB M1
8
HO
7
CBOOT
VS
6
LO M2
5
LRES
CCP
CRES
DCP2
C3
Please note that this data sheet contains advance information which could change before product is released to production.
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IR2520D(S)
ADVANCE DATA
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage param-
eters are absolute voltages referenced to COM, all currents are defined positive into any lead. The thermal resistance
and power dissipation ratings are measured under board mounted and still air conditions.
Symbol
Definition
Min. Max. Units
VB
VS
VHO
VLO
IOMAX
IVCO
ICC
dVS/dt
PD
High side floating supply voltage
High side floating supply offset voltage
High side floating output voltage
Low side output voltage
Maximum allowable output current (HO,LO) due to external
power transistor miller effect
Voltage controlled oscillator input current (Note 1)
Supply current (Note 2)
Allowable offset voltage slew rate
Package power dissipation @ TA ≤ +25°C 8-Lead PDIP
PD=(TJMAX-TA)RthJA
8-Lead SOIC
-0.3
VB - 25
VS - 0.3
-0.3
-500
-5
-20
-50
—
—
625
VB + 0.3
VB + 0.3
VCC + 0.3
500
+5
20
50
1
0.625
V
mA
mA
mA
V/ns
W
RthJA
Thermal resistance, junction to ambient
8-Lead PDIP
8-Lead SOIC
—
—
125
°C/W
200
TJ Junction temperature
TS Storage temperature
TL Lead temperature (soldering, 10 seconds)
-55 150
-55 150 °C
— 300
Note 1: This IC contains a zener clamp structure between the chip VCO and COM, which has a nominal breakdown voltage
of 6V. Please note that this pin should not be driven by a DC, low impedance power source greater than 6V.
Note 2: This IC contains a zener clamp structure between the chip VCC and COM, which has a nominal breakdown voltage
of 15.6V. Please note that this supply pin should not be driven by a DC, low impedance power source greater than the
VCLAMP specified in the Electrical Characteristics section.
Recommended Operating Conditions
For proper operation the device should be used within the recommended conditions.
Symbol
Definition
Min. Max. Units
VBS
VS
VCC
ICC
RFMIN
VVCO
TJ
High side floating supply voltage
Steady state high side floating supply offset voltage
Supply voltage
Supply current
Minimum frequency setting resistance
VCO pin voltage
Junction temperature
VCC - 0.7
-1
VCCUV+
Note 3
10
0
-25
VCLAMP
600
VCLAMP
10
100
5
125
V
mA
kΩ
V
°C
Note 3: Enough current should be supplied into the VCC pin to keep the internal 15.6V zener clamp diode on this pin
regulating its voltage, VCLAMP.
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ADVANCE DATA
IR2520D(S)
Electrical Characteristics
VCC = VBS = VBIAS = 14V +/- 0.25V, CLO=CHO=1000pF, RFMIN = 82K and TA = 25°C unless otherwise specified.
Symbol
Definition
Min. Typ. Max. Units Test Conditions
Supply Characteristics
VCCUV+
VCCUV-
VUVHYS
IQCCUV
IQCCFLT
ICCHF
ICCLF
VCLAMP
VCC and VBS supply undervoltage positive going
threshold
VCC and VBS supply undervoltage negative going
threshold
VCC supply undervoltage lockout hysteresis
UVLO quiescent current
Fault mode quiescent current
VCC supply current f=85KHz
VCC supply current f=35KHz
VCC Zener clamp voltage
Floating Supply Characteristics
IQBS0 Quiescent VBS supply current
IQBSUV Quiescent VBS supply current
ILK Offset supply leakage current
Oscillator I/O Characteristics
11.5 12.7 13.9
9.0 10 11.0
VCC rising from OV
V
— 2.7 —
40 50 70
µA
— 180 —
3.0 4.0 6.0
mA
1.0 2.0 3.0
14.5 15.6 16.5 V
VCC = 10V
VVCO=0V
VVCO=6V
ICC = 10mA
60 90 110
VCC=10V, VBS=14V
10 20 30 µA VCC=10V, VBS=7V
— — 50
VB = VS = 600V
f(min)
f(max)
D
Minimum oscillator frequency (Note 4)
Maximum oscillator frequency (Note 4)
Oscillator duty cycle
DTLO
DTHO
IVCOQS
LO output deadtime
HO output deadtime
IVCO quick start
IVCOFS IVCO frequency sweep
Gate Driver Output Characteristics
— 35 —
kHz
— 85 —
— 50 — %
1.5 1.8 2.1
µS
1.8 2.1 2.4
20 40 60
µA
0.9 1.1 1.3
VVCO=6V
VVCO=0V
VVCO=0V
VVCO=2V
VLO=LOW VLO -VCOM difference between LO output voltage
and COM when LO is low
—
0 100
VHO=LOW
VLO=HIGH
VHO -VS difference between HO output voltage
and VS when HO is low
VCC -VS difference between VCC and LO output
voltage when LO is high
— 0 100 mV
— 0 100
VHO=HIGH VB -VHO difference between VB and HO output
voltage when HO is high
— 0 100
TRISE
TFALL
Turn on rise time
Turn off fall time
— — 200 nS
— — 100
VVCO=6V
VVCO=6V
VVCO=6V
VVCO=6V
Note 4: Frequency shown is nominal for RFMIN=82K. Frequency can be programmed higher or lower depending on the value of RFMIN.
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