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參數(shù)資料
| 型號： | LM25575Q0MHX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, PDSO16 |
| 封裝： | TSSOP-16 |
| 文件頁數(shù)： | 19/22頁 |
| 文件大?。?/td> | 401K |
| 代理商： | LM25575Q0MHX |
Symbol
Parameter
Conditions
Min
Typ
Max
Units
RAMP GENERATOR
Ramp Current 1
Vin = 36V, Vout=10V
272
310
368
A
Ramp Current 2
Vin = 10V, Vout=10V
36
50
64
A
PWM COMPARATOR
Forced Off-time
390
500
590
ns
Min On-time
80
ns
COMP to PWM Comparator Offset
0.7
V
ERROR AMPLIFIER
Feedback Voltage
Vfb = COMP
1.207
1.225
1.245
V
FB Bias Current
17
nA
DC Gain
70
dB
COMP Sink / Source Current
2.5
mA
Unity Gain Bandwidth
3
MHz
DIODE SENSE RESISTANCE
D
SENSE
83
m
THERMAL SHUTDOWN
Tsd
Thermal Shutdown Threshold
180
°C
Thermal Shutdown Hysteresis
25
°C
THERMAL RESISTANCE
θ
JC
Junction to Case
14
°C/W
θ
JA
Junction to Ambient
50
°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 25°C. 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).
Typical Performance Characteristics
Oscillator Frequency vs R
T
30071120
Oscillator Frequency vs Temperature
F
OSC = 200kHz
30071146
www.national.com
6
LM25575Q0
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| LM25575Q0MHX/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 |
| LM25575-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM25575/LM25575-Q1 SIMPLE SWITCHER?? 42V, 1.5A Step-Down Switching Regulator |
| LM25575QMH | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM25575/LM25575-Q1 SIMPLE SWITCHER?? 42V, 1.5A Step-Down Switching Regulator |
| LM25575QMH/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 |
| LM25575QMHX | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM25575/LM25575-Q1 SIMPLE SWITCHER?? 42V, 1.5A Step-Down Switching Regulator |
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