參數(shù)資料
型號(hào)： IRS2540PBF
廠商： International Rectifier
英文描述： LED BUCK REGULATOR CONTROL IC
中文描述： 發(fā)光二極管降壓穩(wěn)壓器控制IC
文件頁(yè)數(shù)： 5/14頁(yè)
文件大小： 456K
代理商： IRS2540PBF
IRS254(0,1)(S)PbF
Electrical Characteristics
V
CC
= V
BS
= V
BIAS
= 14 V +/- 0.25 V, C
LO
=C
HO
=1000 pF, C
VCC
=C
VBS
=0.1 μF, T
A
=25 °C unless otherwise specified.
www.irf.com Page 5
Symbol
Definition
Min
Typ Max
Units Test Conditions
Functional Block Diagram
Values in block diagram are typical values
Lead Assignment
Pin Assignments
Pin #
1
2
Symbol
VCC
COM
Description
Supply voltage
1
2
3
4
I
VCC
COM
ENN
LO
VS
HO
VB
8
7
6
5
IFB
3
4
7
8
6
5
IFB
ENN
HO
VB
VS
LO
Current feedback
Disable outputs (LO=High,HO=Low)
Low-side gate driver output
High-side floating return
High-side gate driver output
High-side gate driver floating supply
IC power & signal ground
Watchdog timer
t
WD
Watchdog timer period
---
20
---
P
WWD
LO pulse width
---
1.0
---
μs
I
FB
=1 V
LEVEL
SHIFT
PULSE
FILTER&
LATCH
7
8
6
VS
HO
VB
1
5
2
COM
LO
VCC
15.6 V
4
ENN
2 V
3
IFB
DELAY
DELAY
UVLO
UVN
0.5 V
Watchdog
Timer20
μ
S
1
μ
S Pulse
Generator
BANDGAP
REFERENCE
100K
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IRS2540PBF 制造商:International Rectifier 功能描述:LED Driver IC 制造商:International Rectifier 功能描述:IC, LED CURRENT REGULATOR, BUCK, DIP-8
IRS2540SPbF 功能描述:LED照明驅(qū)動(dòng)器 200V HALF BRDG DRVR LED BUCK REGULATOR RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
IRS2540SPBF 制造商:International Rectifier 功能描述:LED Driver IC 制造商:International Rectifier 功能描述:IC, LED CURRENT REGULATOR, BUCK, SOIC-8
IRS2540STRPBF 功能描述:LED照明驅(qū)動(dòng)器 200V Half Bridge LED Driver Buck Regulatr RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
IRS25411 制造商:IRF 制造商全稱(chēng):International Rectifier 功能描述:LED BUCK REGULATOR CONTROL IC
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