IR21571S International Rectifier, IR21571S Datasheet - Page 5

• 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

www.irf.com
Electrical Characteristics (cont.)
V
R
Note 4:
V
Symbol Definition
RUN
Symbol Definition
V
V
Gate Driver Output Characteristics
V
Symbol Definition
V
V
T
Protection Circuitry Characteristics
V
VOL
V
T
I
CC
DT
t r
RUNLK
RUNFLT
t f
OH
CS+
CS-
CS
DC+
DC-
SDHYS
SD
SD+
= 6.1k , R
= V
Characteristics
BS
When the IC senses an overtemperature condition (Tj > 160ºC), the IC is latched off. In order to reset this
Fault Latch, the SD lead must be cycled high and then low, or the V
the falling undervoltage lockout threshold (V
= V
Turn-on rise time
Fault-mode RUN lead voltage
Turn-off fall time
Thermal shutdown junction temperature
Over-current sense threshold voltage
Under-current sense threshold voltage
Over-current sense propogation delay
Low V
Low V
High level output voltage
Open circuit RUN lead leakage current
Low-level output voltage
Shutdown pin threshold hysteresis
Rising shutdown lead threshold voltage
BIAS
OC
BUS
BUS
= 20.0k
= 14V +/- 0.25V, R
/rectified line input upper threshold
/rectified line input lower threshold
V
CS
= 0.5V, V
T
= 40.0k , C
SD
= 0.0V, C
CCUV-
T
= 470 pF, RPH and RUN leads no connection, V
L
100
Min.
Min.
0.15
Min.
0.99
100
= 1000pF, T
).
55
35
1.9
5.0
2.85
150
—
—
—
—
Typ.
Typ.
Typ.
1.10
150
0.2
250
5.20
0.01
3.3
160
85
45
2.1
0
0
0
A
= 25
IR21571 (S) & (PbF)
CC
o
Max.
Max.
Max.
C unless otherwise specified.
1.21
0.26
100
100
150
100
2.3
200
400
5.6
3.3
170
0.1
50
supply to the IC must be cycled below
Units Test Conditions
Units Test Conditions
Units Test Conditions
nsec
nsec
o
mV
mV
mV
C
V
V
V
A
Delay from CS to LO
I o = 0
V
Note 4
V
SD = 5V, CS = 2V,
or Tj > TSD
BIAS
RUN
CPH
- V
= 5V
O,
= 0.0V,
I o = 0
5