參數(shù)資料
型號： LM2587SX-3.3/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 5 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PSSO5
封裝： TO-263, 5 PIN
文件頁數(shù)： 22/27頁
文件大?。?/td> 819K
代理商： LM2587SX-3.3/NOPB
LM2587-ADJ
Electrical Characteristics (Continued)
Symbol
Parameters
Conditions
Typical
Min
Max
Units
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
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
100
85/75
115/125
kHz
V
COMP = 1.0V
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
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
dV/dT = 1.5V/ns
65
V
Voltage
V
SAT
Switch Saturation
I
SWITCH = 5.0A
0.7
1.1/1.4
V
Voltage
I
CL
NPN Switch
6.5
5.0
9.5
A
Current Limit
COMMON DEVICE PARAMETERS (Note 4)
θ
JA
Thermal Resistance
T Package, Junction to Ambient (Note 10)
65
θ
JA
T Package, Junction to Ambient (Note 11)
45
θ
JC
T Package, Junction to Case
2
LM2587
www.national.com
4
相關(guān)PDF資料
PDF描述
LM2588-12MWC 9.5 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, UUC
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LM2587SX-5.0 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2587SX-5.0/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2587SXADJ 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Up 4V to 40V 6-Pin(5+Tab) TO-263 T/R
LM2587SX-ADJ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2587SX-ADJ/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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