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GR8837CL PDF预览

GR8837CL

更新时间: 2024-11-19 01:06:23
品牌 Logo 应用领域
绿芯 - GRENERGY /
页数 文件大小 规格书
14页 721K
描述
Green-Mode PWM Controller with Latch Protection

GR8837CL 数据手册

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Preliminary GR8837  
Green-Mode PWM Controller with Latch Protection  
Features  
Current mode control  
Description  
Standby power below 100mW  
Under-voltage lockout (UVLO)  
Non-audible-noise green-mode control  
65KHz switching frequency  
Internal leading-edge blanking  
Internal slope compensation  
Internal soft start  
The GR8837 is a highly-integrated, low startup  
current, current mode PWM controller with  
green-mode function. This function enables the  
power supply to easily meet even the strictest  
power conservation requirements. The integrated  
functions also include the leading-edge blanking  
of the current sensing, internal slope com-  
pensation, and soft start. OLP, OCP. The RTL pin  
latch function by injecting a high over3.5V to  
provide OVP latch off and low below 1V to provide  
OTP latch off protection. To protect the external  
power MOSFET from being damaged by supply  
over voltage, the GR8837 OUT pin voltage is  
clamped to about 13V.  
Gate output voltage clamp  
Jitter and soft driving for reducing EMI  
External OVP Latch off mode  
External OTP Latch off mode  
Over-load protection (OLP)  
300mA driving capability  
The GR8837 improves the performance and  
reduces the cost of power supplies. It is with 8-pin  
DIP and 6-pin SOT-26 package.  
Application  
Switching AC/DC Adapter  
Battery Charger  
Open frame SMPS  
Ordering and Marking Information  
SOT-26  
7
DIP-8  
Grenergy OPTO Inc. reserves the right to make changes to improve reliability or manufacture ability without notice, and  
advise customers to obtain the latest version of relevant information to verify before placing orders.  
2011.01 Ver. C.Copyright Grenergy OPTO, Inc. www.grenergy-ic.com  
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