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参数资料
| 型号： | LM2588T-12/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 9.5 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PSFM7 |
| 封装： | LEAD FREE, BENT STAGGERED, TO-220, 7 PIN |
| 文件页数： | 26/30页 |
| 文件大小： | 1280K |
| 代理商： | LM2588T-12/NOPB |
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LM2588-ADJ Electrical Characteristics (Continued)
Specifications with standard type face are for T
J = 25C, 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
UNIQUE DEVICE PARAMETERS (Note 5)
V
REF
Output Reference
Measured at Feedback Pin
1.230
1.208/1.205
1.252/1.255
V
Voltage
V
COMP = 1.0V
V
REF
Reference Voltage
V
IN = 4V to 40V
1.5
mV
Line Regulation
G
M
Error Amp
I
COMP = 30 A to +30 A
3.200
1.800
6.000
mmho
Transconductance
V
COMP = 1.0V
A
VOL
Error Amp
V
COMP = 0.5V to 1.6V
670
400/200
V/V
Voltage Gain
R
COMP = 1.0 M
I
B
Error Amp
V
COMP = 1.0V
125
425/600
nA
Input Bias Current
All Output Voltage Versions Electrical Characteristics (Note 5)
Specifications with standard type face are for T
J = 25C, 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
I
S
Input Supply Current
Switch Off
11
15.5/16.5
mA
I
SWITCH = 3.0A
85
140/165
mA
I
S/D
Shutdown Input
V
SH = 3V
16
100/300
A
Supply Current
V
UV
Input Supply
R
LOAD = 100
3.30
3.05
3.75
V
Undervoltage Lockout
f
O
Oscillator Frequency
Measured at Switch Pin
R
LOAD = 100
,V
COMP = 1.0V
100
85/75
115/125
kHz
Freq. Adj. Pin Open (Pin 1)
R
SET =22k
200
kHz
f
SC
Short-Circuit
Measured at Switch Pin
Frequency
R
LOAD = 100
25
kHz
V
FEEDBACK = 1.15V
V
EAO
Error Amplifier
Upper Limit
2.8
2.6/2.4
V
Output Swing
Lower Limit
0.25
0.40/0.55
V
I
EAO
Error Amp
Output Current
165
110/70
260/320
A
(Source or Sink)
I
SS
Soft Start Current
V
FEEDBACK = 0.92V
11.0
8.0/7.0
17.0/19.0
A
V
COMP = 1.0V
D
MAX
Maximum Duty Cycle
R
LOAD = 100
98
93/90
%
I
L
Switch Leakage
Switch Off
15
300/600
A
Current
V
SWITCH = 60V
V
SUS
Switch Sustaining
Voltage
dV/dT = 1.5V/ns
65
V
SAT
Switch Saturation
Voltage
I
SWITCH = 5.0A
0.7
1.1/1.4
V
LM2588
www.national.com
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM2588T-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 |
| LM2588T-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 |
| 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 |
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