IR21571S International Rectifier, IR21571S Datasheet - Page 4

• Manufacturer Part Number: IR21571S
• Description: IC BALLAST CONTROL 16-SOIC
• Manufacturer: International Rectifier
• Type: Ballast Controllerr

Specifications of IR21571S

• Frequency: 45.5 ~ 50.5 kHz
• Current - Supply: 5.5mA
• Current - Output: 500mA
• Voltage - Supply: 11.4 V ~ 15.6 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-SOIC (3.9mm Width)
• Package: 16-lead SOIC Narrow
• Circuit: Fluorescent Ballast IC
• Offset Voltage (v): 625
• Output Source Current Min (ma): 250
• Output Sink Current Min (ma): 400
• Vcc Range (v): 10-25V with UVLO
• Output Voltage Min (v): 10
• Output Voltage Max (v): 25
• Special Ic: Fully Integrated
• Pbf: PbF Option Available
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *IR21571S

Electrical Characteristics (cont.)
V
R
I
V
V
V
V
IR21571 (S) & (PbF)
Oscillator I/O Characteristics
Symbol Definition
Floating Supply Characteristics
Preheat Characteristics
Symbol Definition
CPH
RPH
Symbol Definition
Symbol Definition
V
V
I
CC
tdlo
DT
I
d
V
V
V
V
tdho
CPHIGN
CPHCLMP
CPHFLT
I
fosc
CPHRUN
RPHLK
I
QBS1
4
LK
RPHFLT
QBS0
CT-
CT+
CTFLT
RT
RTFLT
= 6.1k , R
= V
Offset supply leakage current
Characteristics
BS
= V
Upper C
Lower C
Fault-mode C
Fault-mode R
Fault-mode RPH lead voltage
CPH lead lgnition mode threshold voltage
CPH lead run mode threshold voltage
CPH lead clamp voltage
Fault-mode CPH lead voltage
Oscillator frequency
Oscillator duty cycle
LO output deadtime
HO output deadtime
Quiescent V
Quiescent V
R
CPH lead charging current
Open circuit RPH lead leakage current
T
BIAS
OC
lead voltage
= 20.0k
T
T
= 14V +/- 0.25V, R
ramp voltage threshold
ramp voltage threshold
BS
BS
T
T
lead voltage
lead voltage
supply current
supply current
V
CS
= 0.5V, V
T
= 40.0k , C
SD
= 0.0V, C
—
T
= 470 pF, RPH and RUN leads no connection, V
L
Min.
Min.
Min.
Min.
45.5
49.5
1.85
1.85
0.72
= 1000pF, T
3.7
3.7
4.7
9.0
—
—
0
5
—
—
—
2
2
—
Typ.
Typ.
Typ.
2.0
2.3
2.3
Typ.
4.0
9.5
48
50
4.0
2.0
0.85
0
0.01
0
0
5.15
0
35
50
0
A
= 25
o
Max.
Max.
Max.
C unless otherwise specified.
Max.
10.5
300
50.5
50.5
4.3
2.15
50
2.15
50
2.5
2.5
0.98
4.3
5.45
15
65
0.1
50
A
Units
Units Test Conditions
Units Test Conditions
Units
kHz
mV
%
mV
mV
V
V
mV
V
sec
A
V
A
B
A
= V
S
R
V
Test Conditions
T
RPH
Test Conditions
= 600V
6.1k , C
SD = 5V, CS = 2V,
or Tj > TSD
SD = 5V, CS = 2V,
or Tj > TSD
V
I
SD = 5V, CS = 2V,
or Tj > TSD
V
V
SD = 5V, CS = 2V,
= 16.9k , R
CPH
or Tj > TSD
CPH
HO
HO
= 5V,V
= V
= 1mA
www.irf.com
= V
CPH
= 5.3V
B
T
S
RPH
=470pF
= 0.0V,
DT
= 6V
=