參數(shù)資料
型號： LM25007MM
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 42V, 0.5A Step-Down Switching Regulator
中文描述： 0.9 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO8
封裝： MSOP-8
文件頁數(shù)： 4/12頁
文件大?。?/td> 615K
代理商： LM25007MM
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VIN to RTN
BST to RTN
SW to RTN (Steady State)
ESD Rating (Note 5)
Human Body Model
BST to V
CC
45V
59V
-1V
2kV
45V
BST to SW
VCC to RTN
All Other Inputs to RTN
Storage Temperature Range
14V
14V
-0.3 to 7V
-65C to +150C
Operating Ratings
(Note 1)
V
IN
Junction Temperature
9V to 42V
40C to + 125C
Electrical Characteristics
Specifications with standard type are for T
= 25C only; limits in boldface type apply over the full Operating Junction Tempera-
ture (T
) range. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values rep-
resent the most likely parametric norm at T
J
= 25C, and are provided for reference purposes only. Unless otherwise stated the
following conditions apply: V
IN
= 24V, R
ON
= 200k
. (Note 3).
Symbol
Parameter
Conditions
Startup Regulator
V
CC
Reg
V
CC
Regulator Output
V
CC
Current Limit
(Note 4)
V
CC
Supply
V
CC
undervoltage Lockout
Voltage (V
CC
increasing)
V
CC
Undervoltage Hysteresis
V
CC
UVLO Delay (filter)
Operating Current (I
CC
)
Non-Switching, FB = 3V
Shutdown/Standby Current
RON/SD = 0V
Switch Characteristics
Buck Switch Rds(on)
I
TEST
= 200mA,
VBST VSW = 6.3V
(Note 6)
Gate Drive UVLO (VBST –
VSW)
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, RCL = 100K
OFF time generator (test 2)
FB=2.3V, RCL = 100K
On Time Generator
TON -1
Vin = 10V
Ron = 200K
TON -2
Vin = 40V
Ron = 200K
Remote Shutdown Threshold
Rising
Remote Shutdown Hysteresis
Min
Typ
Max
Units
6.6
7
11
7.4
V
mA
6.3
V
206
3
500
70
mV
μs
μA
μA
675
150
0.74
1.34
Rising
3.4
4.5
5.5
V
400
mV
535
725
225
900
mA
ns
17
2.65
μs
μs
2.15
2.77
3.5
μs
450
615
810
ns
0.45
0.7
40
1.1
V
mV
L
www.national.com
4
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM25007MM/NOPB 功能描述:直流/直流開關(guān)調(diào)節(jié)器 42V,0.5A STEP-DOWN SWITCHING REG RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
LM25007MMX 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
LM25007MMX/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
LM25007SD 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
LM25007SD/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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