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参数资料
| 型号： | IRS2548DSPBF |
| 厂商： | International Rectifier |
| 文件页数： | 7/22页 |
| 文件大小： | 320K |
| 描述： | IC PFC |
| 特色产品： | IRS2548D LED Driver |
| 标准包装： | 55 |
| 系列： | * |
IRS2548D
www.irf.com
?2011 International Rectifier
7
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
Floating Supply Characteristics
I
BS
V
BS
Supply Current
---
0.9
1.3
mA MODE=RUN
V
BSUV+
V
BS
Supply Undervoltage Positive Going
Threshold
8.0
9.0 10.0
V
BS
rising from
0V
V
BSUV-
V
BS
Supply Undervoltage Negative
Going Threshold
7.0
8.0
9.0
V
V
BS
falling from
14V
I
LKVS
V
S
Offset Supply Leakage Current
---
---
50
uA V
B
= V
S
= 600V
PFC Error Amplifier Characteristics
ICOMP
SOURCE
COMP Pin OTA Error Amplifier Output
Current Sourcing
---
30
---
uA
MODE = RUN
V
VBUS
= 3.5V
VCOMP=4.0V
I
COMP
SINK
COMP Pin OTA Error Amplifier Output
Current Sinking
---
-30
---
MODE = RUN
V
VBUS
= 4.5V
VCOMP=4.0V
V
COMPOH
OTA Error Amplifier Output Voltage
Swing (high state)
---
12.5
---
V
VBUS=3.5V
ICOMP=ICOMP_
SOURCE - 5uA
V
COMPOL
OTA Error Amplifier Output Voltage
Swing (low state)
---
0.4
---
VBUS=5.0V
ICOMP=ICOMP_
SINK + 5uA
VCOMPFLT
OTA Error Amplifier Output Voltage in
Fault Mode
---
0
---
VBUS=4.0V
PFC Control Characteristics
V
VBUS
REG
VBUS Internal Reference Voltage
3.93 4.03 4.13
V
VBUSOV
VBUS Over-voltage Comparator
Threshold
4.1
4.3
4.5
V
V
VBUSOV
HYS
VBUS Over-voltage Comparator
Hysteresis
50
150 300 mV
V
COMP
= 4.0V
V
ZX
ZX Pin Threshold Voltage
1.8
2.0
2.2
V
V
ZXhys
ZX pin Comparator Hysteresis
---
300
---
mV
V
ZXclamp
ZX pin Clamp Voltage (high state)
---
6.7
---
V I
ZX
= 1mA
t
BLANK
OC pin current-sensing blank time
---
300
---
ns
VBUS=4.0V
VCOMP=4.0V
t
WD
PFC Watch-dog Pulse Interval
---
400
---
us
ZX = 0, V
COMP
= 4.0V
PFC Protection Circuitry Characteristics
V
OCTH+
OC Pin Over-current Sense Threshold
1.1
1.2
1.3
VBUS=VCOMP
=4.0V
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相关代理商/技术参数 |
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|---|---|
| IRS2548DSPBF | 制造商:International Rectifier 功能描述:IC LED DRVR SOIC |
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| IRS2552DPBF | 功能描述:功率驱动器IC CCFL / EEFL Ballast Cntrl IC RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| IRS2552DSPBF | 功能描述:功率驱动器IC CCFL / EEFL BALLAST 600V CTRL 300mA RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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