參數(shù)資料
型號(hào): IRS2548DSPBF
廠商: International Rectifier
文件頁(yè)數(shù): 8/22頁(yè)
文件大?。?/td> 320K
描述: IC PFC
特色產(chǎn)品: IRS2548D LED Driver
標(biāo)準(zhǔn)包裝: 55
系列: *
   
IRS2548D
 
 
www.irf.com
?2011 International Rectifier
8
Electrical Characteristics (contd)
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
Definition
Min     Typ
Max    Units   Test Conditions
System Control Oscillator Characteristics 
f
OSCRUN
 
Half-bridge Oscillator Run Frequency
42.5    44.5     46.5     kHz
MODE = RUN
 
d
 
Oscillator duty cycle
---
50
---
 
 
td
LO
 
LO Output Deadtime
---
1.6
---
us     
td
HO
 
HO Output Deadtime
---
1.6
---
 
 
V
FMIN     FMIN Pin Voltage
1.9
2.0
2.1
V     VCC = 14.0V
V
FMINFLT   FMIN Pin Fault or UVLO Mode Voltage
---
0
---
 
MODE = FAULT
or UVLO
System Control Protection Circuitry Characteristics
 
V
CSTH+    CS Pin Over-current Sense Threshold
1.15    1.25     1.35
V     
n
EVENTS   CS Pin Fault Counter No. of Events
 
65
 
 
MODE = RUN
V
ENNTH+
SD Pin Rising Non-latched Shutdown
Threshold Voltage
---
2.0
---
 
V
ENNTH-
 
SD Pin Falling Reset Threshold Voltage
---
1.5
---
 
V
 
 
V
ENNBIAS
   EOL Pin Internal Bias Voltage
---
0V
---
V     
V
FMINFLT   FMIN Pin Fault Mode Voltage
---
0
---
V
     MODE = FAULT
Gate Driver Output Characteristics (HO, LO and PFC pins)
 
V
OL
 
Low-Level Output Voltage
---
0
100
I
O
 = 0
 
V
OH
 
High-Level Output Voltage
---
0
100
mV
 
V
BIAS
-
V
O
 ,
I
O
 = 0
t
r
 
Turn-On Rise Time
---
120
---
 
t
f
 
Turn-Off Fall Time
---
 
50
 
---
nsec
   
I0+
Source Current
---
180
---
 
I0-
Sink Current
---
260
---
mA
 
Bootstrap FET Characteristics 
VB_ON
VB when the bootstrap FET is on
---
13.7
---
V
 
IB_CAP
VB source current when FET is on
35
55
---
mA     CBS=0.1uF
IB_10V
VB source current when FET is on
8
12
---
 
VB=10V
 
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