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参数资料
| 型号： | IRS25411SPBF |
| 厂商： | International Rectifier |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC LED CONS CURR CTRL 8SOIC |
| 标准包装： | 95 |
| 拓扑： | PWM，降压（降压） |
| 输出数： | 1 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 通用 |
| 频率： | 500kHz |
| 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： | 管件 |
IRS254(01,11)(S)
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
I QBS1
V BSUV+
V BSUV-
I LK
V CLAMPHS
Quiescent V BS supply current
Quiescent V BS supply current
V BS supply undervoltage positive going
threshold
V BS supply undervoltage negative going
threshold
Offset supply leakage current
V BS high side zener clamp voltage
---
---
6.5
6.0
---
24.4
0.05
1.0
7.5
7.0
1
26.0
1.0
2.0
8.5
8.0
50
27.6
mA
V
μA
V
V HO = V S
I FB = 0 V
IRS25401:V B =V S =200 V
IRS25411:V B =V S =600 V
I CC = 10 mA
Current Control Operation
V ENNTH+
V ENNTH-
V 0.5
V IFBTH
ENN pin positive threshold
ENN pin negative threshold
0.5 V voltage reference (die level test)
IFB pin threshold
2.5
1.7
490
455
2.7
2.0
500
500
3.0
2.3
510
540
V
mV
f Maximum frequency
---
500
---
kHz
Gate Driver Output Characteristics
V OL
V OH
t r
t f
I O+/-
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
---
---
---
---
---
COM
V CC
50
30
0.5/0.7
---
---
120
50
---
V
ns
A
Delay between V IFB <V IFBTH and HO turn-
t HO,ON
DT Deadtime
t LO,ON Delay between V IFB >V IFBTH and LO turn-on
t LO,OFF Delay between V IFB <V IFBTH and LO turn-off
on
Delay between V IFB >V IFBTH and HO turn-
t HO,OFF
off
---
---
---
---
---
140
320
180
320
180
---
---
---
---
---
ns
I FB = 50 kHz square
wave, 200 mV pk-pk
DC offset = 400 mV
Duty Cycle = 50%
Watchdog timer
t WD
P WWD
Watchdog timer period
LO pulse width
---
---
20
1.0
---
---
μ s
I FB =1 V
www.irf.com
7
? 2010 International Rectifier
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