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RAA808015 PDF预览

RAA808015

更新时间: 2023-12-20 18:46:25
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
25页 1277K
描述
5.5V 5A Compact Single-Channel DC/DC Synchronous Buck Regulator

RAA808015 数据手册

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RAA808015A, RAA808015B Datasheet  
3.5  
Electrical Specifications  
Typical operating conditions at 25°C, V = 5V, T = -40 to +125 °C, unless otherwise specified. Boldface limits apply across the  
IN  
J
operating temperature range (-40°C to +125°C)  
[1]  
[1]  
Parameter  
Symbol  
Test Conditions  
Min  
Typ Max  
Unit  
Supply Voltage  
V
Voltage Range  
V
2.7  
5.5  
V
V
IN  
IN  
Undervoltage Lockout Threshold - Rising  
V
V
2.65  
INUV_rise  
Undervoltage Lockout Threshold -  
Hysteresis  
60  
mV  
INUV_hys  
DEM(RAA808015A)  
Forced PWM(RAA808015B)  
V = 0V, V = 5V, T = 25°C  
EN  
55  
70  
1
µA  
µA  
µA  
V
V
Quiescent Supply Current  
Shutdown Supply Current  
I
Q
IN  
500  
[2]  
I
IN  
SD  
IN  
J
Feedback Voltage  
2.7V V 5.5V, T = 25°C  
0.588 0.6  
0.612  
V
%
IN  
J
Feedback Voltage  
V
FB  
T = -40°C to +125°C  
-3.5  
3.5  
J
Feedback Current  
I
V
= 0.6V  
10  
nA  
FB_leak  
FB  
Soft-Start  
Internal Soft-Start Ramp Time  
Internal MOSFET  
t
V
rising from 0V to 100%  
800  
us  
SS  
OUT  
PFET Switch On-Resistance  
NFET Switch On-Resistance  
Switching  
r
r
20  
16  
mΩ  
mΩ  
DSON_P  
V
= 5V, I  
= 0.8A, T = 25°C  
IN  
RMS  
J
DSON_N  
V
V
= 5V, V  
= 1.2V (RAA808015A)  
= 1.2V (RAA808015B)  
1.8  
2.2  
IN  
IN  
OUT  
OUT  
Nominal Switching Frequency  
Minimum Off-Time  
F
MHz  
ns  
S
= 5V, V  
t
T = -40°C to +125°C  
100  
110  
100  
OFF_min  
J
T = -40°C to +125°C(RAA808015A)  
J
Minimum On-Time  
t
ns  
ON_min  
T = -40°C to +125°C(RAA808015B)  
J
Power-Good  
PG Threshold - VFB Rising  
PG Threshold - VFB Falling  
Power-Good Sink Current Capability  
PG Internal Pull-Up Resistor  
Enable Voltage  
90  
85  
%
%
V
V
I
= 1mA, T = 25°C  
0.4  
PG_L  
SINK  
J
R
500  
kΩ  
PG  
Falling Edge, Logic Low, I < 5µA  
0.4  
V
V
Q
Input Threshold  
Rising Edge, Logic High  
1.2  
1.2  
0
V
V
= 2V  
= 0V  
µA  
µA  
EN  
EN  
EN Logic Input Leakage Current  
Fault Protection  
[3]  
Peak Current Limited  
I
6.4  
7.8  
A
A
peak  
Negative valley current protection  
I
RAA808015B  
-2.5  
Rin  
R16DS0226EU0104 Rev.1.04  
Mar 2, 2023  
Page 7  

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