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參數(shù)資料
| 型號： | 4TPB220ML |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages |
| 中文描述： | N溝道場效應(yīng)管同步降壓穩(wěn)壓控制器輸出電壓低 |
| 文件頁數(shù)： | 16/22頁 |
| 文件大?。?/td> | 602K |
| 代理商： | 4TPB220ML |
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
CC
7V
BOOTV
21V
Junction Temperature
150C
Storage Temperature
65C to 150C
Soldering Information
Lead Temperature
(soldering, 10sec)
260C
Infrared or Convection (20sec)
235C
ESD Rating
2 kV
Operating Ratings
Supply Voltage (V
CC)
4.5V to 5.5V
Junction Temperature Range
40C to +125C
Thermal Resistance (
θ
JA)
155C/W
Electrical Characteristics
V
CC = 5V unless otherwise indicated. Typicals and limits appearing in plain type apply for TA=TJ=+25C. Limits appearing in
boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are guaranteed by design,
test, or statistical analysis.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
FB_ADJ
FB Pin Voltage
V
CC = 4.5V, 0C to +125C
0.591
0.6
0.609
V
CC = 5V, 0C to +125C
0.591
0.6
0.609
V
CC = 5.5V, 0C to +125C
0.591
0.6
0.609
V
CC = 4.5V, 40C to +125C
0.589
0.6
0.609
V
CC = 5V, 40C to +125C
0.589
0.6
0.609
V
CC = 5.5V, 40C to +125C
0.589
0.6
0.609
V
ON
UVLO Thresholds
Rising
Falling
4.2
3.6
V
I
Q-V5
Operating V
CC Current
SD = 5V, FB = 0.55V
Fsw = 600kHz
1
1.5
2
mA
SD = 5V, FB = 0.65V
Fsw = 600kHz
0.8
1.7
2.2
Shutdown V
CC Current
SD = 0V
0.15
0.4
0.7
mA
t
PWGD1
PWGD Pin Response Time
FB Voltage Going Up
6
s
t
PWGD2
PWGD Pin Response Time
FB Voltage Going Down
6
s
I
SD
SD Pin Internal Pull-up Current
20
A
I
SS-ON
SS Pin Source Current
SS Voltage = 2.5V
0C to +125C
-40C to +125C
8
5
11
15
A
I
SS-OC
SS Pin Sink Current During Over
Current
SS Voltage = 2.5V
95
A
I
SEN-TH
I
SEN Pin Source Current Trip
Point
0C to +125C
-40C to +125C
35
28
50
65
A
ERROR AMPLIFIER
GBW
Error Amplifier Unity Gain
Bandwidth
5
MHz
G
Error Amplifier DC Gain
60
dB
SR
Error Amplifier Slew Rate
6
V/A
I
FB
FB Pin Bias Current
FB = 0.55V
FB = 0.65V
0
15
30
100
155
nA
I
EAO
EAO Pin Current Sourcing and
Sinking
V
EAO = 2.5, FB = 0.55V
V
EAO = 2.5, FB = 0.65V
2.8
0.8
mA
V
EA
Error Amplifier Maximum Swing
Minimum
Maximum
1.2
3.2
V
LM2727/LM2737
www.national.com
3
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|---|---|
| 4TPB220ML | 制造商:SANYO Semiconductor Co Ltd 功能描述:CAPACITOR 220UF 4V |
| 4TPB330ML | 功能描述:鉭質(zhì)電容器-SMD聚合物 4volts 330uF ESR 40mohm RoHS:否 制造商:Kemet 電容:33 uF 電壓額定值:50 V ESR:40 mOhms 容差:20 % 工作溫度范圍: 外殼代碼 - in:2917 外殼代碼 - mm:7343 高度:4 mm 制造商庫存號:X Case 系列:T543 產(chǎn)品: 封裝:Reel |
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| 4TPB470M | 制造商:SANYO Semiconductor Co Ltd 功能描述:CAPACITOR 470UF 4V |
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