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LM5575MH PDF预览

LM5575MH

更新时间: 2024-02-11 12:20:27
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管输出元件
页数 文件大小 规格书
22页 412K
描述
75V, 1.5A Step-Down Switching Regulator

LM5575MH 技术参数

是否Rohs认证:不符合生命周期:Transferred
包装说明:TSSOP-16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.21Is Samacsys:N
其他特性:ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 1.225V模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:75 V最小输入电压:6 V
标称输入电压:48 VJESD-30 代码:R-PDSO-G16
JESD-609代码:e0长度:5 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:1.5 A
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH认证状态:Not Qualified
座面最大高度:1.1 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:545 kHz温度等级:AUTOMOTIVE
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:4.4 mmBase Number Matches:1

LM5575MH 数据手册

 浏览型号LM5575MH的Datasheet PDF文件第2页浏览型号LM5575MH的Datasheet PDF文件第3页浏览型号LM5575MH的Datasheet PDF文件第4页浏览型号LM5575MH的Datasheet PDF文件第6页浏览型号LM5575MH的Datasheet PDF文件第7页浏览型号LM5575MH的Datasheet PDF文件第8页 
BST to SW  
OUT to GND  
SYNC, SS, FB, RAMP to GND  
ESD Rating (Note 2)  
Human Body Model  
Storage Temperature Range  
14V  
Limited to Vin  
7V  
Absolute Maximum Ratings (Note 1)  
If Military/Aerospace specified devices are required,  
please contact the National Semiconductor Sales Office/  
Distributors for availability and specifications.  
2kV  
VIN to GND  
76V  
90V  
76V  
-1.5V  
76V  
14V  
-65°C to +150°C  
BST to GND  
PRE to GND  
Operating Ratings (Note 1)  
VIN  
SW to GND (Steady State)  
BST to VCC  
6V to 75V  
Operation Junction Temperature  
−40°C to + 125°C  
SD, VCC to GND  
Electrical Characteristics Specifications with standard typeface are for TJ = 25°C, and those with boldface type  
apply over full Operating Junction Temperature range. VIN = 48V, RT = 32.4kunless otherwise stated. (Note 3)  
Symbol  
Parameter  
Conditions  
Min  
Typ  
Max  
Units  
STARTUP REGULATOR  
VccReg  
Vcc Regulator Output  
Vcc LDO Mode turn-off  
6.85  
7.15  
9
7.45  
V
V
Vcc Current Limit  
Vcc = 0V  
25  
mA  
VCC SUPPLY  
Vcc UVLO Threshold  
Vcc Undervoltage Hysteresis  
Bias Current (Iin)  
(Vcc increasing)  
5.03  
5.35  
0.35  
3.7  
5.67  
V
V
FB = 1.3V  
SD = 0V  
4.5  
85  
mA  
µA  
Shutdown Current (Iin)  
57  
SHUTDOWN THRESHOLDS  
Shutdown Threshold  
(SD Increasing)  
0.47  
1.17  
0.7  
0.1  
0.9  
V
V
Shutdown Hysteresis  
Standby Threshold  
(Standby Increasing)  
1.225  
0.1  
1.28  
V
Standby Hysteresis  
V
SD Pull-up Current Source  
5
µA  
SWITCH CHARACTERSICS  
Buck Switch Rds(on)  
BOOST UVLO  
330  
4
660  
mΩ  
V
BOOST UVLO Hysteresis  
Pre-charge Switch Rds(on)  
Pre-charge Switch on-time  
0.56  
70  
V
ns  
250  
CURRENT LIMIT  
Cycle by Cycle Current Limit  
RAMP = 0V  
1.8  
7
2.1  
85  
2.5  
14  
A
Cycle by Cycle Current Limit Delay  
RAMP = 2.5V  
ns  
SOFT-START  
OSCILLATOR  
SS Current Source  
10  
µA  
Frequency1  
Frequency2  
180  
425  
200  
485  
220  
545  
kHz  
kHz  
RT = 11kΩ  
RT = 11kΩ  
SYNC Source Impedance  
SYNC Sink Impedance  
SYNC Threshold (falling)  
SYNC Frequency  
11  
110  
1.3  
kΩ  
V
550  
15  
kHz  
SYNC Pulse Width Minimum  
ns  
5
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