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参数资料
| 型号： | IRS2540STRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR HP CONST CURR 8-SOIC |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 拓扑： | PWM，降压（降压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 通用 |
| 频率： | 500kHz |
| 电源电压： | 9 V ~ 15.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
| 工作温度： | -25°C ~ 125°C |
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 μ F, T A =25 °C unless otherwise specified.
Symbol
Definition
Min
Typ Max
Units Test Conditions
Supply Characteristics
V CCUV+
V CC supply undervoltage positive going
threshold
8.0
9.0
10.0
V CC rising from 0 V
V CCUV-
V UVHYS
I QCCUV
I QCCENN
I QCC
I CC50k
V CLAMP
V CC supply undervoltage negative going
threshold
V CC supply undervoltage lockout hysteresis
UVLO mode quiescent current
Diesabled mode quiescent current
Quiescent V CC supply current
V CC supply current, f = 50 kHz
V CC zener clamp voltage
6.5
1.0
---
---
---
---
14.6
7.5
1.2
50
1.0
1.0
2.0
15.6
8.5
2.0
150
2.0
2.0
3.0
16.6
V
μA
mA
V
V CC falling from 14 V
V CC =6 V
EN>V ENTH+
I FB = 1 V
Duty Cycle = 50%
f = 50 kHz
I CC = 10 mA
Floating Supply Characteristics
I QBS0
Quiescent V BS supply current
---
1.0
2.0
mA
V HO = V S
I QBS1
V BSUV+
V BSUV-
Quiescent V BS supply current
V BS supply undervoltage positive going
threshold
V BS supply undervoltage negative going
threshold
---
6.5
6.0
2.0
7.5
7.0
3.0
8.5
8.0
V
I FB = 0 V
I LK
Offset supply leakage current
---
1
50
μA
IRS2540:V B =V S =200 V
IRS2541:V B =V S =600 V
Current Control Operation
V ENNTH+
ENN pin positive threshold
2.5
2.7
3.0
V ENNTH-
V 0.5
V IFBTH
f
ENN pin negative threshold
0.5 V voltage reference (die level test)
IFB pin threshold
Maximum frequency
1.7
490
455
---
2.0
500
500
500
2.3
510
540
---
V
mV
kHz
Gate Driver Output Characteristics
V OL
V HL
t r
t f
I O+/-
DT
Low level output voltage (HO or LO)
High level output voltage (HO or LO)
Turn-on rise time
Turn-off fall time
Output source/sink short circuit pulsed current
Deadtime
---
---
---
---
---
---
COM
V CC
50
30
0.5/0.7
140
---
---
120
50
---
---
V
ns
A
t LO,ON
t LO,OFF
t HO,ON
t HO,OFF
Delay between V IFB >V IFBTH and LO turn-on
Delay between V IFB <V IFBTH and LO turn-off
Delay between V IFB <V IFBTH and HO turn-on
Delay between V IFB >V IFBTH and HO turn-off
---
---
---
---
320
180
320
180
---
---
---
---
ns
I FB = 50 kHz square
wave, 200 mV pk-pk
DC offset = 400 mV
Duty Cycle = 50%
www.irf.com
Page 4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IRS25411 | 制造商:IRF 制造商全称:International Rectifier 功能描述:LED BUCK REGULATOR CONTROL IC |
| IRS25411PBF | 功能描述:LED照明驱动器 Hysteretic Buck LED Drvr RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| IRS25411PBF | 制造商:International Rectifier 功能描述:IC LED DRVR DIP8 |
| IRS25411SPBF | 功能描述:LED照明驱动器 600V HALF BRDG DRVR LED BUCK REGULATOR RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| IRS25411STRPBF | 功能描述:LED照明驱动器 Hysteretic Buck LED Drvr RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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