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IRS2541SPBF Datasheet(PDF) 4 Page - International Rectifier

Part # IRS2541SPBF
Description  LED BUCK REGULATOR CONTROL IC
Download  14 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRS2541SPBF Datasheet(HTML) 4 Page - International Rectifier

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IRS254(0,1)(S)PbF
www.irf.com
Page 4
Electrical Characteristics
VCC = VBS = VBIAS = 14 V +/- 0.25 V, CLO=CHO=1000 pF, CVCC=CVBS=0.1 µF, TA=25 °C unless otherwise specified.
Symbol
Definition
Min
Typ Max
Units Test Conditions
Supply Characteristics
VCCUV+
VCC supply undervoltage positive going
threshold
8.0
9.0
10.0
VCC rising from 0 V
VCCUV-
VCC supply undervoltage negative going
threshold
6.5
7.5
8.5
VCC falling from 14 V
VUVHYS
VCC supply undervoltage lockout hysteresis
1.0
1.2
2.0
V
IQCCUV
UVLO mode quiescent current
---
50
150
µA
VCC=6 V
IQCCENN
Diesabled mode quiescent current
---
1.0
2.0
EN>VENTH+
IQCC
Quiescent VCC supply current
---
1.0
2.0
IFB = 1 V
ICC50k
VCC supply current, f = 50 kHz
---
2.0
3.0
mA
Duty Cycle = 50%
f = 50 kHz
VCLAMP
VCC zener clamp voltage
14.6
15.6
16.6
V
ICC = 10 mA
Floating Supply Characteristics
IQBS0
Quiescent VBS supply current
---
1.0
2.0
VHO = VS
IQBS1
Quiescent VBS supply current
---
2.0
3.0
mA
IFB = 0 V
VBSUV+
VBS supply undervoltage positive going
threshold
6.5
7.5
8.5
VBSUV-
VBS supply undervoltage negative going
threshold
6.0
7.0
8.0
V
ILK
Offset supply leakage current
---
1
50
µA
IRS2540:VB=VS=200 V
IRS2541:VB=VS=600 V
Current Control Operation
VENNTH+
ENN pin positive threshold
2.5
2.7
3.0
VENNTH-
ENN pin negative threshold
1.7
2.0
2.3
V
V0.5
0.5 V voltage reference (die level test)
490
500
510
VIFBTH
IFB pin threshold
455
500
540
mV
f
Maximum frequency
---
500
---
kHz
Gate Driver Output Characteristics
VOL
Low level output voltage (HO or LO)
---
COM
---
VHL
High level output voltage (HO or LO)
---
VCC
---
V
tr
Turn-on rise time
---
50
120
tf
Turn-off fall time
---
30
50
ns
IO+/-
Output source/sink short circuit pulsed current
---
0.5/0.7
---
A
DT
Deadtime
---
140
---
tLO,ON
Delay between VIFB>VIFBTH and LO turn-on
---
320
---
tLO,OFF
Delay between VIFB<VIFBTH and LO turn-off
---
180
---
tHO,ON
Delay between VIFB<VIFBTH and HO turn-on
---
320
---
tHO,OFF
Delay between VIFB>VIFBTH and HO turn-off
---
180
---
ns
IFB = 50 kHz square
wave, 200 mV pk-pk
DC offset = 400 mV
Duty Cycle = 50%


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