參數(shù)資料
型號： LM5008SD
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： High Voltage (100V) Step Down Switching Regulator
中文描述： 0.61 A SWITCHING REGULATOR, DSO8
封裝： 4 X 4 MM, LLP-8
文件頁數(shù)： 4/15頁
文件大?。?/td> 278K
代理商： LM5008SD
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN
to GND
BST to GND
SW to GND (Steady State)
ESD Rating (Note 5)
Human Body Model
BST to V
CC
-0.3V to 100V
-0.3V to 114V
-1V
1.5kV
100V
BST to SW
V
CC
to GND
All Other Inputs to GND
Lead Temperature (Soldering 4 sec)
Storage Temperature Range
14V
14V
-0.3 to 7V
200C
-55C to +150C
Operating Ratings
(Note 1)
V
IN
Operating Junction Temperature
9.5V to 95V
40C to + 125C
Electrical Characteristics
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 3).
Symbol
Parameter
Conditions
V
CC
Supply
V
CC
Reg
V
CC
Regulator Output
V
CC
Current Limit
(Note 4)
V
CC
undervoltage Lockout
Voltage (V
CC
increasing)
V
CC
Undervoltage Hysteresis
V
CC
UVLO Delay (filter)
100mV overdrive
I
IN
Operating Current
Non-Switching, FB = 3V
I
IN
Shutdown Current
R
ON
/SD = 0V
Switch Characteristics
Buck Switch Rds(on)
I
TEST
= 200mA, (Note 6)
Gate Drive UVLO
V
BST
V
SW
Rising
Gate Drive UVLO Hysteresis
Current Limit
Current Limit Threshold
Current Limit Response Time
I
switch
Overdrive = 0.1A
Time to Switch Off
OFF time generator (test 1)
FB=0V, R
CL
= 100K
OFF time generator (test 2)
FB=2.3V, R
CL
= 100K
On Time Generator
T
ON
- 1
Vin = 10V
Ron = 200K
T
ON
- 2
Vin = 95V
Ron = 200K
Remote Shutdown Threshold
Rising
Remote Shutdown Hysteresis
Min
Typ
Max
Units
6.6
7
7.4
V
9.5
6.3
mA
V
200
10
485
76
mV
μs
μA
μA
675
150
1.15
4.5
430
2.47
5.5
V
mV
3.4
0.41
0.51
400
0.61
A
ns
35
2.56
μs
μs
2.15
2.77
3.5
μs
200
300
420
ns
0.40
0.70
35
1.05
V
mV
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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 安裝風格:SMD/SMT
LM5008SDCX/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 安裝風格:SMD/SMT
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