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RAA210040

更新时间： 2024-11-30 14:57:51
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
25页 987K
描述
5V, 4A Step-Down DC/DC Mini Module with Integrated Inductor

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RAA210040 数据手册

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Datasheet  
RAA210040  
5V, 4A Step-Down DC/DC Mini Module with Integrated Inductor  
The RAA210040 power module is a compact,  
Features  
synchronous step-down, non-isolated complete  
power supply, capable of delivering up to 4A of  
continuous current. By operating from a single 2.7V to  
5.5V input power rail and integrating the controller,  
gate driver, power inductor, and MOSFETs, the  
RAA210040 is optimized for space-constrained  
applications.  
▪ 4A complete power supply  
• Integrates controller, gate driver, MOSFETs, and  
inductor  
▪ 2.7V to 5.5V input voltage range  
▪ Adjustable output voltage  
• As low as 0.6V with ±1.5% accuracy over line,  
load, and temperature  
Based on a peak current mode control scheme, the  
RAA210040 provides fast transient response and  
excellent loop stability. The output voltage can be set  
as low as 0.6V, with setpoint accuracy better than  
1.5% over line, load, and temperature. The operating  
frequency has a 2MHz default setting; however, it can  
also be set from 500kHz to 4MHz by an external  
resistor. The external synchronization is supported  
with an external clock signal up to 4MHz. The  
RAA210040 supports a 100% duty cycle operation to  
minimize the switching losses and allows less than  
200mV dropout voltage. A dedicated enable pin and  
power-good flag allows for easy system power rails  
sequencing.  
• Up to 95% efficiency  
▪ Default 2MHz current mode control operation  
• 500kHz to 4MHz resistor adjustable  
• External synchronization up to 4MHz  
• 100% duty cycle  
▪ Dedicated enable pin and power-good flag  
▪ Internal 1ms soft start-up time  
▪ Soft-stop output discharge  
▪ UVLO, OCP, negative OCP, OVP, and OTP  
• OCP/Short-Circuit Protection (SCP) hiccup  
mode  
An array of protection features, including input  
Undervoltage Lockout (UVLO), Overcurrent  
Protection (OCP), output Overvoltage Protection  
(OVP), and Over-temperature Protection (OTP),  
ensures safe operations under abnormal operating  
conditions.  
▪ Compact RoHS compliant 3mmx3mmx1.7mm  
10 lead dual flat embedded laminate package  
Applications  
▪ Telecom, Industrial, optical, and medical equipment  
▪ Point-of-load conversions  
▪ MCU, MPU, DSP, and FPGA  
95  
90  
85  
80  
75  
RAA210040  
2.7V to 5.5V Input  
1.2V 4A Output  
VOUT  
FB  
VIN  
C
IN  
COUT  
100k  
390pF  
820pF  
COMP  
EN  
SYNC  
FS  
  
100k  
70  
65  
60  
3.3Vin, 1.2MHz  
5Vin, 1.2MHz  
SGND  
169k  
PGND  
PGOOD  
Power-Good  
0.0  
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
3.5  
4.0  
Load Current (A)  
Figure 1. Typical Application Circuit  
Figure 2. Efficiency VOUT = 1.2V  
R16DS0137EU0101 Rev.1.01  
Jun 15, 2023  
Page 1  
© 2021-2023 Renesas Electronics  
1234567...25

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