参数资料
型号: LM2588SX-12/NOPB
厂商: National Semiconductor
文件页数: 4/38页
文件大小: 0K
描述: IC REG MULTI CONFIG 12V TO263-7
产品培训模块: SIMPLE SWITCHER® Regulators
标准包装: 500
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: 12V
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:
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: 带卷 (TR)
供应商设备封装: TO-263-7
配用: 551011367-051-ND - BOARD WEBENCH BUILD IT LM2586/88
其它名称: *LM2588SX-12
LM2588SX-12

SNVS117D – APRIL 1998 – REVISED APRIL 2013
LM2588-3.3 Electrical Characteristics
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
Parameters
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of Figure 18 (1)
V OUT
Δ V OUT /
Δ V IN
Δ V OUT /
Δ I LOAD
η
Output Voltage
Line Regulation
Load Regulation
Efficiency
V IN = 4V to 12V
I LOAD = 400 mA to 1.75A
V IN = 4V to 12V
I LOAD = 400 mA
V IN = 12V
I LOAD = 400 mA to 1.75A
V IN = 12V, I LOAD = 1A
3.3
20
20
75
3.17/ 3.14
3.43/ 3.46
50/ 100
50/ 100
V
mV
mV
%
UNIQUE DEVICE PARAMETERS
(2)
V REF
Output Reference
Voltage
Measured at Feedback Pin
V COMP = 1.0V
3.3
3.242/ 3.234
3.358/ 3.366
V
Δ V REF
Reference Voltage Line V IN = 4V to 40V
Regulation
2.0
mV
G M
A VOL
Error Amp
Transconductance
Error Amp Voltage
Gain
I COMP = ? 30 μ A to +30 μ A
V COMP = 1.0V
V COMP = 0.5V to 1.6V
R COMP = 1.0 M Ω (3)
1.193
260
0.678
151/ 75
2.259
mmho
V/V
(1)
(2)
(3)
External components such as the diode, inductor, input and output capacitors can affect switching regulator performance. When the
LM2588 is used as shown in Figure 18 and Figure 19 , system performance will be as specified by the system parameters.
All room temperature limits are 100% production tested, and all limits at temperature extremes are specified via correlation using
standard Statistical Quality Control (SQC) methods.
A 1.0 M Ω resistor is connected to the compensation pin (which is the error amplifier output) to ensure accuracy in measuring A VOL .
4
Product Folder Links: LM2588
Copyright ? 1998–2013, Texas Instruments Incorporated
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相关代理商/技术参数
参数描述
LM2588SX-3.3 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
LM2588SX-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
LM2588SX-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
LM2588SX-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
LM2588SX-ADJ 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