参数资料
型号: LM2588T-3.3/NOPB
厂商: National Semiconductor
文件页数: 6/38页
文件大小: 0K
描述: IC REG MULTI CONFIG 3.3V TO220-7
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: 3.3V
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: 通孔
封装/外壳: TO-220-7 成形引线
包装: 管件
供应商设备封装: TO-220-7
配用: 551011367-051-ND - BOARD WEBENCH BUILD IT LM2586/88
其它名称: *LM2588T-3.3
*LM2588T-3.3/NOPB
LM2588T-3.3

SNVS117D – APRIL 1998 – REVISED APRIL 2013
LM2588-12 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 19 (1)
V OUT
Output Voltage
V IN = 4V to 10V
12.0
11.52/ 11.40
12.48/ 12.60
V
I LOAD = 300 mA to 1.2A
Δ V OUT /
Line Regulation
V IN = 4V to 10V
20
100/ 200
mV
Δ V IN
I LOAD = 300 mA
Δ V OUT /
Load Regulation
V IN = 10V
20
100/ 200
mV
Δ I LOAD
I LOAD = 300 mA to 1.2A
η
Efficiency
V IN = 10V, I LOAD = 1A
90
%
UNIQUE DEVICE PARAMETERS
(2)
V REF
Output Reference
Measured at Feedback Pin
12.0
11.79/ 11.76
12.21/ 12.24
V
Voltage
V COMP = 1.0V
Δ V REF
Reference Voltage Line V IN = 4V to 40V
Regulation
7.8
mV
G M
Error Amp
I COMP = ? 30 μ A to +30 μ A
0.328
0.186
0.621
mmho
Transconductance
V COMP = 1.0V
A VOL
Error Amp Voltage
V COMP = 0.5V to 1.6V
70
41/ 21
V/V
Gain
R COMP = 1.0 M Ω (3)
(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 .
6
Product Folder Links: LM2588
Copyright ? 1998–2013, Texas Instruments Incorporated
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LM2588T-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
LM2588T-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
LM2588T50 制造商:Texas Instruments 功能描述:SWITCHING REG 5A 5.0V 2588 TO-220
LM2588T-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
LM2588T-ADJ 制造商:Texas Instruments 功能描述:SWITCHING REG 5A ADJ 2588 TO2207