- 您现在的位置：买卖IC网 > PDF目录20755 > MAX8901BETA+T (Maxim Integrated)IC LED DRIVR WHITE BCKLGT 8-TDFN PDF资料下载
参数资料
| 型号： | MAX8901BETA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR WHITE BCKLGT 8-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 700kHz ~ 800kHz |
| 电源电压： | 2.6 V ~ 5.5 V |
| 输出电压： | 24V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
Highest Efficiency Supply for 2 to 6
Series WLEDs in a 2mm x 2mm TDFN Package
ELECTRICAL CHARACTERISTICS (continued)
(V IN = V ON = V OVP = 3.6V, V PGND = V GND = 0V, COMP, CS, and LX are unconnected, T A = -40°C to +85°C, unless otherwise noted.
Typical values are at T A = +25°C.) (Note 1)
PARAMETER
Serial Dimming
Full-Scale LED Current Accuracy
PWM Frequency for PWM
Dimming Control
CS to COMP Transconductance
Soft-Start Interval
SYMBOL
f PWM
t SOFT-
START
CONDITIONS
T A = +25 ° C
I LED = 24.75mA
T A = -40 ° C to +85 ° C
(MAX8901B)
MAX8901A
C COMP = 0.022μF (Figure 1)
MIN
-1.3
-3
40
TYP
100
60
10
MAX
+1.3
+3
80
UNITS
%
%
kHz
μS
ms
Thermal Shutdown
OSCILLATOR
160
° C
Operating Frequency
f SW
700
750
800
kHz
Maximum Duty Cycle
D MAX
V CS = 0.4V
90
92
%
n-CHANNEL SWITCH
LX Leakage Current
n-Channel Switch On-Resistance
n-Channel Current Limit
I LXLKG
R LX
I LIM
V LX = 27V
T A = +25 ° C
T A = +85 ° C
0.63
0.1
0.1
0.7
0.70
5
1.4
0.77
μA
Ω
A
Note 1: Specifications to -40°C are guaranteed by design and characterization and are not production tested.
STEP
0
1
2
3
4
5
28
29
30
31
32
33
t HI_INIT
> 40 μ s
ON
t HI
t SOFT-START
FULL
32/33 31/33
t LO
500ns TO 500 μ s
30/33 29/33 28/33
> 500ns
FULL
t SHDN
32/33 1.33ms (typ)
I LED_
SHUTDOWN
6/33
5/33
4/33
3/33
2/33
1/33
SHUTDOWN
Figure 1. MAX8901B Timing Diagram
_______________________________________________________________________________________
3
相关PDF资料 |
PDF描述 |
|---|---|
| TPSE687M002R0035 | CAP TANT 680UF 2.5V 20% 2917 |
| TPSE477K004R0045 | CAP TANT 470UF 4V 10% 2917 |
| MAX16836ASA+ | IC LED DRIVER 350MA 8-SOIC |
| MAX16836ATE+ | IC LED DRIVR HIGH BRIGHT 16-TQFN |
| TPSE476K020R0070 | CAP TANT 47UF 20V 10% 2917 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8901EVKIT+ | 功能描述:LED 照明开发工具 Evaluation Kit for the MAX8901A and MAX8901B RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX8902AATA+ | 制造商:Maxim Integrated Products 功能描述:LDO REGULATORS 制造商:Maxim Integrated Products 功能描述:LOW-NOISE 500MA LDO REGULATORS IN A 2MM X 2MM TDFN PACKAGE - Bulk |
| MAX8902AATA+T | 功能描述:低压差稳压器 - LDO 500mA LDO Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX8902AATAT | 制造商:MAXIM/DALLAS 功能描述: |
| MAX8902BATA/V+ | 制造商:Maxim Integrated Products 功能描述:LOW-NOISE 500MA LDO REGULATORS IN A 2MM X 2MM TDFN PACKAGE - Rail/Tube |
发布紧急采购，3分钟左右您将得到回复。