參數(shù)資料
型號(hào): LM5027AMH
廠(chǎng)商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20
封裝: TSSOP-20
文件頁(yè)數(shù): 26/28頁(yè)
文件大?。?/td> 561K
代理商: LM5027AMH
Symbol
Parameter
Conditions
Min
Typ
Max
Units
OUTSR GATE DRIVER
VOL
OUTSR Low-state Output
Voltage
I
OUTSR = 100 mA
0.1
0.2
V
VOH
OUTSR High-state Output
Voltage
I
OUTSR = -100 mA, VOHL = VCC -VLO
0.25
0.11
V
OUTSR Rise Time
C-load = 1000 pF
12
ns
OUTSR High Side Fall Time
C-load = 1000 pF
10
ns
IOHH
Peak OUTSR Source Current
V
OUTSR = 0V (VCC = 10V)
3
A
IOLH
Peak OUTSR Sink Current
V
OUTSR = VCC= 10V
3
A
OUTPUT TIMING CONTROL
T1
Delay Leading Range
R
TIME1=10 k – 100 k
30
300
ns
T1
Delay Leading Accuracy
R
TIME1 = 33.2 k
75
100
125
ns
T2
Delay Trailing Range
R
TIME2 = 10 k – 100 k
30
300
ns
T2
Delay Trailing Accuracy
R
TIME2 = 28.7 k
75
100
125
ns
T3
Delay Leading Range
R
TIME3 = 10 k – 100 k
30
300
ns
T3
Delay Leading Accuracy
R
TIME3 = 29.4 k
75
100
125
ns
THERMAL
t
sd
Thermal Shutdown Temp.
150
165
°C
Thermal Shutdown Hysteresis
25
°C
RJA
Junction to Ambient
40
°C/W
RJC
Junction to Exposed Pad
4
°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:
It is not recommended that external power sources be connected to these pins.
Note 3:
The human body model is a 100 pF capacitor discharged through a 1.5 k
resistor into each pin.
7
www.national.com
LM5027A
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LM5027AMH/NOPB 功能描述:電壓模式 PWM 控制器 Active Clamp Pwm W/3A Sr Drv RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
LM5027AMHX/NOPB 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
LM5027ASQ/NOPB 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
LM5027ASQX/NOPB 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
LM5027MH 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Voltage Mode Active Clamp Controller