参数资料
型号: A6210GEUTR-T
厂商: Allegro Microsystems Inc
文件页数: 3/12页
文件大小: 0K
描述: IC LED DRIVER HIGH BRIGHT 16-QFN
特色产品: A6210 Buck-Regulating LED Driver
标准包装: 1
拓扑: PWM,降压(降压),切换式电容器(充电泵)
输出数: 1
内部驱动器:
类型 - 主要: 通用
类型 - 次要: 高亮度 LED(HBLED)
频率: 2MHz
电源电压: 9 V ~ 46 V
输出电压: 46V
安装类型: 表面贴装
封装/外壳: 16-WSQFN 裸露焊盘
供应商设备封装: 16-QFN-EP(4x4)
包装: 标准包装
工作温度: -40°C ~ 105°C
产品目录页面: 1141 (CN2011-ZH PDF)
其它名称: 620-1281-6
A6210
V IN 24 V
3 A, 2 MHz Buck-Regulating LED Driver
Functional Block Diagram
C1
1.0 μ F
VIN
BOOT
C2
22 nF
R1
180 k Ω
Sleep
Circuit
Linear
Regulator
Driver
Top-off
Charge
Pump
V IN
LX
L1
68 μ H
LED1
TON
On
D1
LED2
Timer
Control
LED3
DIS
Off
Timer
Logic
Blank
ISEN
R2
390 m Ω
Switch
Closed = On
VIN UVLO
Regulator
Comparator
SGND
Linear OK
TSD
Fault
NC
+
GND
Reg
Ref
Switching Frequency = 1.4 MHz
All capacitors are X5R or X7R ceramic
Resistor R2 should be surface mount, low inductance type, rated at 250 mW at 70°C
Terminal List Table
Number
Name
Function
Pin-out Diagram
1
2, 7, 13, 14,
15, 16
3
VIN
NC
TON
Input supply
No connection; tie to GND
Terminal for on-time setting with external resistor
VIN
1
12 LX
4, 5, 6
GND
Ground terminal
NC
TON
2
3
PAD
11 BOOT
10 DIS
8
9
ISEN
SGND
Current sense input
Current sense ground reference
GND
4
9
SGND
10
11
12
DIS
BOOT
LX
Disable/enable logic input; active high
Bootstrap supply node
Switch node
(Top View)
PAD
Exposed thermal pad; connect to ground plane
(GND) by through-hole vias
Allegro MicroSystems, LLC
115 Northeast Cutoff
3
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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