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| 型号： | LM2588S-5.0/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 8/38页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG 5V TO263-7 |
| 产品培训模块： | SIMPLE SWITCHER® Regulators |
| 标准包装： | 45 |
| 系列： | SIMPLE SWITCHER® |
| 类型： | 升压（升压），回扫，正向转换器 |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 4 V ~ 40 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 100kHz ~ 200kHz |
| 电流 - 输出： | 5A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-8，D²Pak（7 引线+接片），TO-263CA |
| 包装： | 管件 |
| 供应商设备封装： | TO-263-7 |
| 产品目录页面： | 1304 (CN2011-ZH PDF) |
| 配用： | 551011367-051-ND - BOARD WEBENCH BUILD IT LM2586/88 |
| 其它名称： | *LM2588S-5.0 *LM2588S-5.0/NOPB LM2588S-5.0 |
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SNVS117D – APRIL 1998 – REVISED APRIL 2013
All Output Voltage Versions Electrical Characteristics (1) (continued)
Specifications with standard type face are for T J = 25°C, and those in bold type face apply over full Operating Temperature
Range. Unless otherwise specified, V IN = 5V.
Symbol
I EAO
Parameters
Error Amp Output
See (4)
Conditions
Typical
165
Min
110/ 70
Max
260/ 320
Units
μ A
Current (Source or
Sink)
I SS
Soft Start Current
V FEEDBACK = 0.92V
V COMP = 1.0V
11.0
8.0/ 7.0
17.0/ 19.0
μ A
D MAX
I L
V SUS
Maximum Duty Cycle
Switch Leakage
Current
Switch Sustaining
R LOAD = 100 Ω (3)
Switch Off
V SWITCH = 60V
dV/dT = 1.5V/ns
98
15
93/ 90
65
300/ 600
%
μ A
V
Voltage
V SAT
Switch Saturation
I SWITCH = 5.0A
0.7
1.1/ 1.4
V
Voltage
I CL
NPN Switch Current
6.5
5.0
9.5
A
Limit
V STH
I SYNC
Synchronization
Threshold Voltage
Synchronization
Pin Current
F SYNC = 200 kHz
V COMP = 1V, V IN = 5V
V IN = 5V
V COMP = 1V, V SYNC = V STH
0.75
100
0.625/ 0.40
0.875/ 1.00
200
V
μ A
V SHTH
ON /OFF Pin (Pin 1)
Threshold Voltage
V COMP = 1V
(5)
1.6
1.0/ 0.8
2.2/ 2.4
V
I SH
ON /OFF Pin (Pin 1)
Current
V COMP = 1V
V SH = V SHTH
40
15/ 10
65/ 75
μ A
θ JA
θ JA
θ JC
Thermal Resistance
NDZ Package, Junction to Ambient (6)
NDZ Package, Junction to Ambient (7)
NDZ Package, Junction to Case
65
45
2
θ JA
θ JA
θ JA
θ JC
KTW Package, Junction to Ambient (8)
KTW Package, Junction to Ambient (9)
KTW Package, Junction to
Ambient (10)
56
35
26
2
°C/W
KTW Package, Junction to Case
(4)
(5)
(6)
(7)
(8)
(9)
To measure the worst-case error amplifier output current, the LM2588 is tested with the feedback voltage set to its low value (specified
in Note 3 under the All Output Voltage Versions Electrical Characteristics () table) and at its high value (specified in Note 2 under the All
When testing the minimum value, do not sink current from this pin—isolate it with a diode. If current is drawn from this pin, the frequency
adjust circuit will begin operation (see Figure 54 ).
Junction to ambient thermal resistance (no external heat sink) for the 7 lead TO-220 package mounted vertically, with ? inch leads in a
socket, or on a PC board with minimum copper area.
Junction to ambient thermal resistance (no external heat sink) for the 7 lead TO-220 package mounted vertically, with ? inch leads
soldered to a PC board containing approximately 4 square inches of (1 oz.) copper area surrounding the leads.
Junction to ambient thermal resistance for the 7 lead TO-263 mounted horizontally against a PC board area of 0.136 square inches (the
same size as the TO-263 package) of 1 oz. (0.0014 in. thick) copper.
Junction to ambient thermal resistance01242001 for the 7 lead TO-263 mounted horizontally against a PC board area of 0.4896 square
inches (3.6 times the area of the TO-263 package) of 1 oz. (0.0014 in. thick) copper.
(10) Junction to ambient thermal resistance for the 7 lead TO-263 mounted horizontally against a PC board copper area of 1.0064 square
inches (7.4 times the area of the TO-263 package) of 1 oz. (0.0014 in. thick) copper. Additional copper area will reduce thermal
resistance further. See the thermal model in Switchers Made Simple ? software.
8
Product Folder Links: LM2588
Copyright ? 1998–2013, Texas Instruments Incorporated
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