参数资料
型号: MAX16821CATI+
厂商: Maxim Integrated
文件页数: 3/24页
文件大小: 0K
描述: IC LED DRIVR HIGH BRIGHT 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
拓扑: 高端,低端,PWM,SEPIC,降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 车载,背光
类型 - 次要: 高亮度 LED(HBLED)
频率: 125kHz ~ 1.5MHz
电源电压: 4.75 V ~ 5.5 V,7 V ~ 28 V
输出电压: 5.1V
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
工作温度: -40°C ~ 125°C
High-Power Synchronous HBLED
Drivers with Rapid Current Pulsing
ELECTRICAL CHARACTERISTICS (continued)
(V CC = 5V, V DD = V CC , T A = T J = -40°C to +125°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OSCILLATOR
Switching Frequency Range
125
1500
kHz
R T = 500k ?
120
125
130
Switching Frequency
f SW
R T = 120k ?
495
521
547
kHz
R T = 39.9k ?
1515
1620
1725
Switching Frequency Accuracy
CLKOUT Phase Shift with
Respect to DH (Rising Edges)
120k ? < R T ≤ 500k ?
40k ? ≤ R T ≤ 120k ?
f SW = 125kHz, MODE connected to SGND
-5
-8
180
+5
+8
%
Degrees
CLKOUT Phase Shift with
Respect to DL (Rising Edges)
f SW = 125kHz, MODE connected to V CC
180
CLKOUT Output-Voltage Low
CLKOUT Output-Voltage High
SYNC Input High Pulse Width
SYNC Input Clock High Threshold
SYNC Input Clock Low Threshold
V OL
V OH
t SYNC
V SYNCH
V SYNCL
I SINK = 2mA
I SOURCE = 2mA
4.5
200
2
0.4
0.4
V
V
ns
V
V
SYNC Pullup Current
SYNC Power-Off Level
I SYNC_OUT
V SYNC_OFF
V RT/SYNC = 0V
250
500
0.4
μA
V
INDUCTOR CURRENT LIMIT
Average Current-Limit Threshold
Reverse Current-Limit Threshold
V CL
V CLR
CSP to CSN
CSP to CSN
26.4
27.5
-2.0
33.0
mV
mV
Cycle-by-Cycle Current Limit
Cycle-by-Cycle Overload
CSP to CSN
V CSP to V CSN = 75mV
60
260
mV
ns
CURRENT-SENSE AMPLIFIER
CSP to CSN Input Resistance
R CS
4
k ?
Common-Mode Range
Input Offset Voltage
Amplifier Voltage Gain
3dB Bandwidth
V CMR(CS)
V OS(CS)
A V(CS)
f 3dB
V IN = 7V to 28V
0
0.1
34.5
4
5.5
V
mV
V/V
MHz
CURRENT-ERROR AMPLIFIER (TRANSCONDUCTANCE AMPLIFIER)
Transconductance
Open-Loop Gain
g m
A VL(CE)
550
50
μS
dB
_______________________________________________________________________________________
3
相关PDF资料
PDF描述
MAX16821BATI+ IC LED DRIVR HIGH BRIGHT 28-TQFN
LQP03TN3N9C00D INDUCTOR 3.9NH 170MA 0201
MAX7302AEE+ IC LED DRIVER LINEAR 16-QSOP
GBC10DCAD CONN EDGECARD 20POS R/A .100 SLD
EBC28DCSN-S288 CONN EDGECARD 56POS .100 EXTEND
相关代理商/技术参数
参数描述
MAX16821CATI+ 功能描述:LED照明驱动器 Synchronous HB w/Rapid Current Puls 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
MAX16821CATI+T 功能描述:LED照明驱动器 Synchronous HB w/Rapid Current Puls 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
MAX16821EVKIT+ 制造商:Maxim Integrated Products 功能描述:HIGH-POWER SYNCHRONOUS HBLED DRIVER - Boxed Product (Development Kits)
MAX16822AASA/V+ 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822AASA/V+T 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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