irs2548d International Rectifier Corp., irs2548d Datasheet - Page 8

• Manufacturer Part Number: irs2548d
• Description: Smps/led Driver Pfc + Half-bridge Control Ic
• Manufacturer: International Rectifier Corp.

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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
System Control Oscillator Characteristics
System Control Protection Circuitry Characteristics
Gate Driver Output Characteristics (HO, LO and PFC pins)
Bootstrap FET Characteristics
V ENNBIAS
V FMINFLT FMIN Pin Fault or UVLO Mode Voltage
V FMINFLT FMIN Pin Fault Mode Voltage
V ENNTH+
f OSCRUN
n EVENTS
V ENNTH-
V CSTH+
IB_CAP
VB_ON
IB_10V
V FMIN
V OH
td HO
td LO
V OL
I0+
I0-
d
t f
t r
Half-bridge Oscillator Run Frequency
Oscillator duty cycle
LO Output Deadtime
HO Output Deadtime
FMIN Pin Voltage
CS Pin Over-current Sense Threshold
CS Pin Fault Counter No. of Events
SD Pin Rising Non-latched Shutdown
Threshold Voltage
SD Pin Falling Reset Threshold Voltage
EOL Pin Internal Bias Voltage
Turn-Off Fall Time
Low-Level Output Voltage
High-Level Output Voltage
Turn-On Rise Time
Source Current
Sink Current
VB when the bootstrap FET is on
VB source current when FET is on
VB source current when FET is on
Definition
8
42.5
1.15
Min
1.9
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35
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8
44.5
1.25
Typ
13.7
1.6
1.6
2.0
2.0
1.5
120
180
260
0V
50
65
50
55
12
0
0
0
0
46.5
1.35
2.1
100
100
Max
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nsec
Units Test Conditions
kHz
mV
mA
mA
us
V
V
V
V
V
V
© 2011 International Rectifier
IRS2548D
MODE = RUN
VCC = 14.0V
MODE = FAULT
or UVLO
MODE = RUN
MODE = FAULT
I O = 0
V BIAS - V O ,
I O = 0
CBS=0.1uF
VB=10V