参数资料
型号: LM2590HV3.3MDC
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 稳压器
英文描述: 3 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
封装: DIE
文件页数: 12/24页
文件大小: 816K
代理商: LM2590HV3.3MDC
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Supply Voltage (V
IN)
63V
SD /SS Pin Input Voltage (Note 2)
6V
Delay Pin Voltage (Note 2)
1.5V
Flag Pin Voltage
0.3
≤ V ≤45V
Feedback Pin Voltage
0.3
≤ V ≤+25V
Output Voltage to Ground
(Steady State)
1V
Power Dissipation
Internally limited
Storage Temperature Range
65C to +150C
ESD Susceptibility
Human Body Model (Note 3)
2 kV
Lead Temperature
S Package
Vapor Phase (60 sec.)
+215C
Infrared (10 sec.)
+245C
T Package (Soldering, 10 sec.)
+260C
Maximum Junction Temperature
+150C
Operating Conditions
Temperature Range
40C
≤ T
J ≤ +125C
Supply Voltage
4.5V to 60V
LM2590HV-3.3
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
LM2590HV-3.3
Units
(Limits)
Typ
Limit
SYSTEM PARAMETERS (Note 6) Test Circuit
V
OUT
Output Voltage
4.75V
≤ V
IN ≤ 60V, 0.2A ≤ ILOAD ≤ 1A
3.3
V
3.168/3.135
V(min)
3.432/3.465
V(max)
η
Efficiency
V
IN = 12V, ILOAD =1A
77
LM2590HV-5.0
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
LM2590HV-5.0
Units
(Limits)
Typ
Limit
SYSTEM PARAMETERS (Note 6) Test Circuit
V
OUT
Output Voltage
7V
≤ V
IN ≤ 60V, 0.2A ≤ ILOAD ≤ 1A
5
V
4.800/4.750
V(min)
5.200/5.250
V(max)
η
Efficiency
V
IN = 12V, ILOAD =1A
82
%
LM2590HV-ADJ
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
LM2590HV-ADJ
Units
(Limits)
Typ
Limit
SYSTEM PARAMETERS (Note 6) Test Circuit
V
FB
Feedback Voltage
4.5V
≤ V
IN ≤ 60V, 0.2A ≤ ILOAD ≤ 1A
1.230
V
OUT programmed for 3V. Circuit of Figure 1.
1.193/1.180
V(min)
1.267/1.280
V(max)
LM2590HV
www.national.com
2
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LM2590HVS-3.3/NOPB 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
LM2590HVS-5.0 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
LM2590HVS5.0/NOPB 制造商:Texas Instruments 功能描述:
LM2590HVS-5.0/NOPB 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT