IRS2548DSPBF International Rectifier, IRS2548DSPBF Datasheet - Page 7

• Manufacturer Part Number: IRS2548DSPBF
• Description: IC, LED DRVR, SOIC
• Manufacturer: International Rectifier

Specifications of IRS2548DSPBF

• Topology: Boost (Step Up)
• No. Of Outputs: 1
• Output Current: 500mA
• Output Voltage: 16.6V
• Dimming Control Type: PWM
• Operating Temperature Range: -55°C To +150°C
• Driver Case Style: SOIC
• Switching Frequency: 44.5kHz
• Rohs Compliant: Yes
• Package: 14-lead SOIC
• Circuit: PFC Ballast Control and Half-Bridge Driver
• Offset Voltage (v): 600
• Output Source Current Min (ma): 500
• Output Sink Current Min (ma): 500
• Pbf: Yes
• V Bsuv+ (v): 9.0
• V Ccuv+ (v): 12.5
• V Ccuv- (v): 10.5
• T R (ns): 120
• T F (ns): 50
• Application: SMPS/Lighting

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Electrical Characteristics (cont’d)
V CC = V BS = V BIAS =14V +/- 0.25V, C LO = C HO = C PFC = 1000pF, RFMIN = 42.2kOhm,
VENN = V COMP = V CS = V OC = VBUS = VZX = 0V, T A =25C unless otherwise specified.
Symbol
Floating Supply Characteristics
PFC Error Amplifier Characteristics
PFC Control Characteristics
PFC Protection Circuitry Characteristics
VCOMPFLT
V COMPOH
V COMPOL
V VBUSOV
V VBUSOV
V ZXclamp
SOURCE
V OCTH+
V BSUV+
V BSUV-
V ZXhys
t BLANK
V VBUS
I COMP
I COMP
I LKVS
SINK
REG
HYS
V ZX
t WD
I BS
V BS Supply Current
V BS Supply Undervoltage Positive Going
Threshold
V BS Supply Undervoltage Negative
Going Threshold
V S Offset Supply Leakage Current
COMP Pin OTA Error Amplifier Output
Current Sourcing
COMP Pin OTA Error Amplifier Output
Current Sinking
OTA Error Amplifier Output Voltage
Swing (high state)
OTA Error Amplifier Output Voltage
Swing (low state)
OTA Error Amplifier Output Voltage in
Fault Mode
VBUS Internal Reference Voltage
VBUS Over-voltage Comparator
Threshold
VBUS Over-voltage Comparator
Hysteresis
ZX Pin Threshold Voltage
ZX pin Comparator Hysteresis
ZX pin Clamp Voltage (high state)
OC pin current-sensing blank time
PFC Watch-dog Pulse Interval
OC Pin Over-current Sense Threshold
Definition
7
3.93
Min
8.0
7.0
4.1
1.8
1.1
50
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12.5
4.03
Typ
150
300
300
400
0.9
9.0
8.0
-30
0.4
4.3
2.0
6.7
1.2
30
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0
10.0
4.13
300
1.3
9.0
4.5
2.2
1.3
Max
50
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Units Test Conditions
mA
mV
mV
uA
uA
ns
us
V
V
V
V
V
© 2011 International Rectifier
IRS2548D
MODE=RUN
V BS rising from
0V
V BS falling from
14V
V B = V S = 600V
MODE = RUN
V VBUS = 3.5V
VCOMP=4.0V
MODE = RUN
V VBUS = 4.5V
VCOMP=4.0V
VBUS=3.5V
ICOMP=ICOMP_
SOURCE - 5uA
VBUS=5.0V
ICOMP=ICOMP_
SINK + 5uA
VBUS=4.0V
V COMP = 4.0V
I ZX = 1mA
VBUS=4.0V
VCOMP=4.0V
ZX = 0, V COMP
= 4.0V
VBUS=VCOMP
=4.0V