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參數(shù)資料
| 型號： | LM5005MHX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High Voltage 2.5 Amp Buck Regulator |
| 中文描述： | 4.25 A SWITCHING REGULATOR, 525 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | TSSOP-20 |
| 文件頁數(shù)： | 6/21頁 |
| 文件大?。?/td> | 774K |
| 代理商： | LM5005MHX |
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, R
T
= 32.4k
unless otherwise stated . (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
RAMP GENERATOR
Ramp Current 1
Ramp Current 2
Vin = 60V, Vout=10V
Vin = 10V, Vout=10V
234
20
275
25
316
30
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 |
|---|---|
| LM5005MHX/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 |
| LM5006 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Evaluation Board provides the design engineer with a fully functional |
| LM5006EVAL/NOPB | 功能描述:電源管理IC開發(fā)工具 LM5006 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LM5006EVAL/NOPB | 制造商:Texas Instruments 功能描述:EVAL BOARD, LM5006 5V, 500mA SYNC STEP-D |
| LM5006MM/NOPB | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 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 |
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