- 您现在的位置：买卖IC网 > Sheet目录311 > AS3693A-ZQFT (ams)IC LED DVR 16CH W/PWM 48-QFN
AS3693A QFN48
austria micro systems
7.1.1
Feedback Selection
In the AS3693A, each led – string feedback can be assigned to the specific led-supply, to minimize the power
consumption in the system. It can be chosen in between FBR, FBG and FBB.
DCDC Converter
for VDD
From main
supply
(Internal or externa)l
R1
Voltage Feedback
input for DCDC
V fb
R2
R3
C1
Feedback resistor divider
(part of DCDC converter circuit)
AS3693
ANALOG REGULATION
CIRCUIT
16 REGULATORS
3...16
2
1
FB R
FB G
FB B
NOFB
VC
SHORTLED
VSL
OPENLED
VO L
REF
Q2
R5
Table 7 – Feedback Selection
Addr: 05h,06h,07h,08h
Feedback Select 1-4
This register controls the Feedback of the Automatic feedback loop
Bit
1:0
3:2
5:4
7:6
Bit Name
FB1_Select
FB5_Select
FB9_Select
FB13_Select
FB2_Select
FB6_Select
FB10_Select
FB14_Select
FB3_Select
FB7_Select
FB11_Select
FB15_Select
FB4_Select
FB8_Select
FB12_Select
FB16_Select
Default
00
00
00
00
Access
R/W
R/W
R/W
R/W
Description
Selects the feedback of the voltage regulators
00= regulator on FBR
01= regulator on FBG
10= regulator on FBB
11= regulator not connected to FB
Selects the feedback of the voltage regulators
00= regulator on FBR
01= regulator on FBG
10= regulator on FBB
11= regulator not connected to FB
Selects the feedback of the voltage regulators
00= regulator on FBR
01= regulator on FBG
10= regulator on FBB
11= regulator not connected to FB
Selects the feedback of the voltage regulators
00= regulator on FBR
01= regulator on FBG
10= regulator on FBB
11= regulator not connected to FB
www.austriamicrosystems.com
Revision 1.14 / 2010
10 - 39
发布紧急采购，3分钟左右您将得到回复。
相关PDF资料
AS3693B-ZTQT
IC LED CTLR 16-CH W/PWM 64-TQFP
AS3693B-ZTQW
IC LED CTLR 16-CH W/PWM 64EPTQFP
AS5040 PB
BOARD PROGRAM AS5040
AS5043 PB
BOARD PROGRAM AS5043
AS5045 PB
BOARD PROGRAM AS5045
AS5134 PB
BOARD PROGRAM AS5134
AS5140 PB
BOARD PROGRAM AS5140
ASDMB-ADAPTER-KIT
ASDMB MEMSPEED P II OSC KIT
相关代理商/技术参数
AS3693A-ZTQT
功能描述:IC LED DVR 16CH W/PWM 64-ETQFP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program 标准包装:2,500 系列:- 恒定电流:- 恒定电压:- 拓扑:升压（升压），切换式电容器（充电泵） 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:625kHz ~ 875kHz 电源电压:2.7 V ~ 5.3 V 输出电压:5V 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-µMAX 包装:带卷 (TR) 工作温度:-40°C ~ 85°C
AS3693B DB
制造商:ams 功能描述:BOARD DEMO FOR AS3693B 制造商:ams 功能描述:Demo Board
AS3693B DEMOBOARD
制造商:ams 功能描述:Demo Board
AS3693B QFN DB
功能描述:AS3693B 16, Non-Isolated Output LED Driver Evaluation Board 制造商:ams 系列:- 零件状态:有效 电流 - 输出/通道:- 输出和类型:16，非隔离 电压 - 输出:0.4 V ~ 50 V 特性:- 电压 - 输入:- 所含物品:板 使用的 IC/零件:AS3693B 标准包装:1
AS3693B1-ZQFT
制造商:ams 功能描述:
AS3693B-DB
制造商:ams 功能描述:AS3693B Demo Board
AS3693B-ZQFT
功能描述:IC LED CTLR 16-CH W/PWM 64-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program 标准包装:2,500 系列:- 恒定电流:- 恒定电压:- 拓扑:升压（升压），切换式电容器（充电泵） 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:625kHz ~ 875kHz 电源电压:2.7 V ~ 5.3 V 输出电压:5V 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-µMAX 包装:带卷 (TR) 工作温度:-40°C ~ 85°C
AS3693B-ZTQT
功能描述:IC LED CTLR 16-CH W/PWM 64-TQFP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program 标准包装:2,500 系列:- 恒定电流:- 恒定电压:- 拓扑:升压（升压），切换式电容器（充电泵） 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:625kHz ~ 875kHz 电源电压:2.7 V ~ 5.3 V 输出电压:5V 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-µMAX 包装:带卷 (TR) 工作温度:-40°C ~ 85°C