参数资料
型号: LM2588T-5.0/NOPB
厂商: National Semiconductor
文件页数: 5/38页
文件大小: 0K
描述: IC REG MULTI CONFIG 5V 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: 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:
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
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: *LM2588T-5.0
LM2588T-5.0

SNVS117D – APRIL 1998 – REVISED APRIL 2013
LM2588-5.0 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 = 500 mA to 1.45A
V IN = 4V to 12V
I LOAD = 500 mA
V IN = 12V
I LOAD = 500 mA to 1.45A
V IN = 12V, I LOAD = 750 mA
5.0
20
20
80
4.80/ 4.75
5.20/ 5.25
50/ 100
50/ 100
V
mV
mV
%
UNIQUE DEVICE PARAMETERS
(2)
V REF
Output Reference
Voltage
Measured at Feedback Pin
V COMP = 1.0V
5.0
4.913/ 4.900
5.088/ 5.100
V
Δ V REF
Reference Voltage Line V IN = 4V to 40V
Regulation
3.3
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)
0.750
165
0.447
99/ 49
1.491
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 .
Copyright ? 1998–2013, Texas Instruments Incorporated
Product Folder Links: LM2588
5
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