參數(shù)資料
型號： LM5008MMXEP
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 0.61 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8
封裝： PLASTIC, MSOP-8
文件頁數(shù)： 10/15頁
文件大?。?/td> 662K
代理商： LM5008MMXEP
Absolute Maximum Ratings (Note 4)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN to GND
-0.3V to 100V
BST to GND
-0.3V to 114V
SW to GND (Steady State)
-1V
ESD Rating (Note 8)
Human Body Model
1.5kV
BST to V
CC
100V
BST to SW
14V
V
CC to GND
14V
All Other Inputs to GND
-0.3 to 7V
Lead Temperature (Soldering 4 sec)
200C
Storage Temperature Range
-55C to +150C
Operating Ratings (Note 4)
V
IN
9.5V to 95V
Operating Junction Temperature
40C to + 125C
Electrical Characteristics (Note 10)
Specifications with standard typeface are for T
J = 25C, and those with boldface type apply over full Operating Junction
Temperature range.V
IN = 48V, unless otherwise stated (Note 6).
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
CC Supply
V
CC Reg
V
CC Regulator Output
6.6
7
7.4
V
CC Current Limit
9.5
mA
V
CC undervoltage Lockout
Voltage (V
CC increasing)
6.3
V
CC Undervoltage Hysteresis
200
mV
V
CC UVLO Delay (filter)
100mV overdrive
10
s
I
IN Operating Current
Non-Switching, FB = 3V
485
675
A
I
IN Shutdown Current
R
ON/SD=0V
76
150
A
Switch Characteristics
Buck Switch Rds(on)
I
TEST = 200mA, (Note 9)
1.15
2.47
Gate Drive UVLO
V
BST VSW Rising
3.4
4.5
5.5
V
Gate Drive UVLO Hysteresis
430
mV
Current Limit
Current Limit Threshold
0.41
0.51
0.61
A
Current Limit Response Time
I
switch Overdrive = 0.1A
Time to Switch Off
400
ns
OFF time generator (test 1)
FB=0V, R
CL = 100K
35
s
OFF time generator (test 2)
FB=2.3V, R
CL = 100K
2.56
s
On Time Generator
T
ON - 1
Vin = 10V
Ron = 200K
2.15
2.77
3.5
s
T
ON - 2
Vin = 95V
Ron = 200K
200
300
420
ns
Remote Shutdown Threshold
Rising
0.40
0.70
1.05
V
Remote Shutdown Hysteresis
35
mV
LM5008EP
www.national.com
4
相關(guān)PDF資料
PDF描述
LM5008SD/NOPB 0.61 A SWITCHING REGULATOR, DSO8
LM5008SDEP 0.61 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8
LM5008SDX 0.61 A SWITCHING REGULATOR, DSO8
LM5027AMH SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM5008SD 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
LM5008SD/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
LM5008SDC 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
LM5008SDC/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
LM5008SDCX 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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