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MAP3622SIRH

更新时间: 2024-10-31 17:15:35
品牌 Logo 应用领域
美格纳 - MGCHIP /
页数 文件大小 规格书
11页 1099K
描述
SOIC-16L

MAP3622SIRH 数据手册

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Datasheet Version 1.0  
MAP3622  
2-CH Average Current Control Buck Controller for LED Backlight  
General Description  
Features  
MAP3622 is a 2 channel average-mode current  
control buck controller for LED backlight application. It  
does not require an additional dimming MOSFET and  
utilizes constant off-time control and average current  
control feedback without external loop compensation or  
high-side current sensing.  
MAP3622 features ±1% CS voltage accuracy and has  
dedicated Independent analog dimming input up to  
3.3V. It can be powered from 8.5V ~ 18V supply.  
MAP3622 provides MOSFET DS short (FLT output),  
sense resistor short protection, SCP and UVLO.  
MAP3622 is available 16 leads SOIC with Halogen-  
free (fully RoHS compliant).  
8.5V to 18V Input Voltage Range  
Average-Mode Current Control  
Mixed Programmable Constant Off-time  
Up to 3.3V Independent Analog Dimming  
1% CS Voltage Accuracy  
Independent Direct PWM Dimming Input  
Fault Output  
- MOSFET Drain-Source Short  
Short Circuit Protection  
Sense Resistor Short Protection  
UVLO  
16 Leads SOIC Package with Halogen-free  
Applications  
High Brightness white LED backlighting for LCD TVs  
General LED lighting applications  
Ordering Information  
Top  
Marking  
Ambient  
Temperature Range  
Part Number  
Package  
RoHS Status  
MAP3622SIRH  
MAP3622  
-40to +85℃  
16Leads SOIC  
Halogen Free  
1
Typical Application  
MAP3622  
TOFF1  
TOFF2  
GATE1  
CS1  
GATE2  
CS2  
PGND1  
VCC  
PGND2  
VCC  
MODE  
ADIM1  
ADIM2  
PWM1  
PWM2  
FLT  
MODE  
FLT  
ADIM1  
ADIM2  
PWM1  
PWM2  
GND  
Nov 8th 2019  

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