參數(shù)資料
型號(hào)： LM25005
廠商： National Semiconductor Corporation
英文描述： 42V, 2.5A STEP-DOWN SWITCHING REGULATOR
中文描述： 42V的2.5A降壓型開(kāi)關(guān)穩(wěn)壓
文件頁(yè)數(shù)： 6/21頁(yè)
文件大?。?/td> 756K
代理商： LM25005
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
= 24V, R
T
= 32.4k
unless otherwise stated. (Note
3) (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
RAMP GENERATOR
Ramp Current 1
Ramp Current 2
Vin = 36V, Vout=10V
Vin = 10V, Vout=10V
136
18
160
25
184
32
μA
μA
PWM COMPARATOR
Forced Off-time
Min On-time
COMP to PWM Comparator Offset
500
80
0.7
ns
ns
V
ERROR AMPLIFIER
Feedback Voltage
FB Bias Current
DC Gain
COMP Sink / Source Current
Unity Gain Bandwidth
Vfb = COMP
1.207
1.225
10
70
1.243
V
nA
dB
mA
MHz
3
3
THERMAL SHUTDOWN
Tsd
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
165
25
C
C
THERMAL RESISTANCE
θ
JC
θ
JA
Junction to Case
Junction to Ambient
4
40
C/W
C/W
Note 1:
Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device
is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics.
Note 2:
The human body model is a 100pF capacitor discharged through a 1.5k
resistor into each pin.
Note 3:
Min and Max limits are 100% production tested at 25C. Limits over the operating temperature range are guaranteed through correlation using Statistical
Quality Control (SQC) methods. Limits are used to calculate National’s Average Outgoing Quality Level (AOQL).
L
www.national.com
6
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM25005_06 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:42V, 2.5A Step-Down Switching Regulator
LM25005EVAL 功能描述:電源管理IC開(kāi)發(fā)工具 LM25005 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
LM25005EVAL 制造商:Texas Instruments 功能描述:EVAL BOARD, LM25005 42V, 2.5A REGULATORU
LM25005MH 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM25005MH/NOPB 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 42V,2.5A STEP-DOWN SWITCHING REG RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
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