IRS2548DSPBF International Rectifier, IRS2548DSPBF Datasheet - Page 6

• 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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Recommended Operating Conditions
For proper operation the device should be used within recommended conditions.
†† Sufficient current should be supplied to V
Electrical Characteristics
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
Symbol
Supply Characteristics
R FMIN
IQCCFLT
V B -V S
V B -V S
V CCUV +
V UVHYS
V CLAMP
I QCCUV
I CCRUN
V CCUV -
I ENN
V CC
I CC
I OC
I CS
I ZX
V S
High Side Floating Supply Voltage
Steady State High-side Floating Supply Offset
Voltage
Supply Voltage
V CC Supply Current
ENN Pin Current
CS Pin Current
OC Pin Current
ZX Pin Current
FMIN Pin Programming Resistor
High Side Floating Supply Voltage
V CC Supply Undervoltage Positive Going
Threshold
V CC Supply Undervoltage Negative
Going Threshold
V CC Supply Undervoltage Lockout
Hysteresis
UVLO Mode V CC Quiescent Current
VCC Quiescent current in fault mode
Run Mode V CC Supply Current
V CC Zener Clamp Voltage
Definition
Definition
CC
to keep the internal 15.6 V zener regulating at V
6
11.5
14.6
Min
9.5
1.5
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12.5
10.5
15.6
Typ
250
400
2.0
5.5
V CCUV+
V BSUV+
Min.
-25
††
10
-1
-1
13.5
11.5
16.6
3.0
Max
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---
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mA
Units Test Conditions
µA
V
V
© 2011 International Rectifier
V CLAMP
V CLAMP
Max.
MODE = RUN
VBUS=4V
ENN=1nF
PFC off time = 5us
600
300
125
V CC rising from
0V
V CC falling from
14V
V CC = 8V
MODE=FAULT
I CC = 10mA
IRS2548D
10
1
CLAMP
.
Units
KOhm
mA
ºC
V