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A8499SLJ-T PDF预览

A8499SLJ-T

更新时间: 2024-02-19 01:30:31
品牌 Logo 应用领域
急速微 - ALLEGRO 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PC
页数 文件大小 规格书
7页 307K
描述
High Voltage Step-Down Regulator

A8499SLJ-T 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:LEAD FREE, MS-012BA, SOIC-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:8.49
Is Samacsys:N其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 1.2 V TO 24 V
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:50 V
最小输入电压:8 V标称输入电压:42 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:3
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-20 °C
最大输出电流:3 A封装主体材料:PLASTIC/EPOXY
封装代码:HLSOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.7 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
温度等级:OTHER端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

A8499SLJ-T 数据手册

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A8499  
High Voltage Step-Down Regulator  
ELECTRICAL CHARACTERISTICS1,2 at TA = 25°C, VIN = 8 to 50 V (unless noted otherwise)  
Characteristics  
Symbol  
Test Conditions  
Min.  
Typ.  
Max.  
Units  
VENB = LOW, IOUT = 0 mA, VIN = 42 V  
0.90  
1.35  
mA  
V
BIAS = VOUT (see note3)  
VIN Quiescent Current  
IVIN(Q)  
VENB = LOW, IOUT = 0 mA, VIN = 42 V  
VBIAS < 3 V  
4.4  
6.35  
mA  
VENB = HIGH  
3.5  
700  
100  
5
μA  
mA  
mΩ  
Ω
VBIAS Input Current  
IBIAS  
VBIAS = VOUT  
TA = 25°C, IOUT = 2 A  
TA = 125°C, IOUT = 2 A  
Based on calculated value  
800  
1.6  
15  
Buck Switch On Resistance  
RDS(on)  
Fixed Off-Time Proportion  
Feedback Voltage  
–15  
%
VFB  
1.176 1.200 1.224  
V
Output Voltage Regulation  
Feedback Input Bias Current  
Soft Start Time  
IOUT = 0 mA to 2 A  
–3  
–400  
5
–100  
10  
3
100  
15  
3
%
IFB  
tss  
nA  
ms  
A
VFB > 0.5 V  
2.2  
0.5  
2.0  
Buck Switch Current Limit  
ICL  
VFB < 0.5 V  
1.2  
7
A
ENB Open Circuit Voltage  
ENB Input Voltage Threshold  
ENB Input Current  
VOC  
VENB(0)  
IENB(0)  
VUVLO  
VUVLOHYS  
TJTSD  
Output disabled  
V
LOW level input (Logic 0), output enabled  
VENB = 0 V  
1.0  
–1  
7.1  
1.1  
V
–10  
μA  
V
VIN Undervoltage Threshold  
VIN Undervoltage Hysteresis  
Thermal Shutdown Temperature  
Thermal Shutdown Hysteresis  
VIN rising  
6.9  
VIN falling  
0.7  
V
Temperature increasing  
Recovery = TJTSD TJ  
165  
15  
°C  
°C  
TJ  
1. Negative current is defined as coming out of (sourcing) the specified device pin.  
2. Specifications over the junction temperature range of 0ºC to 125ºC are assured by design and characterization.  
3. VBIAS is connected to VOUT node when VOUT target level is between 3.3 and 5 V.  
Allegro MicroSystems, Inc.  
115 Northeast Cutoff, Box 15036  
3
Worcester, Massachusetts 01615-0036 (508) 853-5000  
www.allegromicro.com  

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