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參數資料
| 型號： | LM4510SD |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Replacement for Texas Instruments part number 54LS160/BEA. Buy from authorized manufacturer Rochester Electronics. |
| 中文描述： | 1.8 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, DSO10 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, LLP-10 |
| 文件頁數： | 4/18頁 |
| 文件大?。?/td> | 2362K |
| 代理商： | LM4510SD |
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VIN
VOUT
SW (Note 3)
EN, SS, COMP FB
PGND to AGND
Continuous Power Dissipation
(Note 4)
Junction Temperature (T
J-MAX
)
Storage Temperature Range
(T
S
)
Lead Temperature
(Soldering, 10 sec) (Note 5)
ESD Ratings (Note 12)
Human Body Model
Machine Model
0.3V to 6.5V
0.3V to 21V
0.3V to V
OUT
+0.3V
0.3V to 6.5V
0.2V to 0.2V
Internally Limited
150°C
65°C to +150°C
260°C
2.0kV
200V
Operating Conditions
Supply Voltage Range (V
IN
)
Junction Temperature Range
(T
J
) (Note 6)
Ambient Temperature Range
(T
A
)
Output Voltage Range (V
OUT
)
2.7V to 5.5V
40°C to +125°C
40°C to +85°C
Up to 18V
Thermal Properties
Junction to Ambient Thermal
Resistance (
θ
JA
) LLP-10
Package (Note 7)
36°C/W
Electrical Characteristics
(Notes 8, 9)
Limits in standard type face are for T
J
= 25°C only. Limits in
boldface type
apply over the full operating junction temperature range
( 40°C
≤
T
J
≤
+125°C). Unless otherwise stated the following conditions apply: VIN = 3.6V, EN = 3.6V.
Symbol
Parameter
Conditions
Min
(Note 8)
1.24
Typ
(Note 9)
1.265
Max
(Note 8)
1.29
Units
V
FB
I
FB
FB Pin Voltage
2.7V
≤
VIN
≤
5.5V
V
FB Pin Bias Current (Note 11)
NMOS Switch R
DS(on)
PMOS Switch R
DS(on)
NMOS Switch Current Limit
Device Switching
Non-switching Current
Shutdown Current
SW Leakage Current (Note
11)
VOUT Bias Current (Note 11)
PMOS Switch Leakage
Current
Switching Frequency
0.050
1.5
μA
R
DS(on)
I
SW
= 0.3A
I
SW
= 0.3A, VOUT = 10V
0.45
1.1
Ω
0.9
1.2
1.1
1.8
2.5
2.0
0.050
I
CL
1.0
A
I
Q
EN = 3.6V, FB = COMP
EN = 3.6V, FB > 1.29V
EN = 0V
SW = 20V
1.7
0.8
0.002
mA
mA
μA
I
L
0.01
0.150
μA
I
VOUT
VOUT = 20V
50
90
150
μA
I
VL
SW = 0V, VOUT = 20V
0.001
0.100
μA
f
SW
D
MAX
D
MIN
0.85
88
1.0
1.2
MHz
Maximum Duty Cycle
FB = 0V
94
%
Minimum Duty Cycle
Error Amplifier
Transconductance
Device Enable
Device Shutdown
EN Pin Bias Current
15
20
%
Gm
70
130
200
μmho
EN
Threshold
HIGH
LOW
0 < EN < 3.6V
1.2
18.0
17.0
2.1
0.81
0.78
3.2
V
0.4
8.0
20.7
20.0
2.65
I
EN
FB Fault
Protection
μA
Feedback Fault Protection
ON Threshold
OFF Threshold
ON Threshold
OFF Threshold
19.7
18.7
2.5
2.35
V
UVLO
Input Undervoltage Lockout
V
I
SS
Soft-Start Pin Current (Note
10)
9
11.3
15
μA
www.national.com
4
L
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| LM4510SD/NOPB | 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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| LM4510SDX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Synchronous Step-Up DC/DC Converter with True Shutdown Isolation |
| LM4510SDX/NOPB | 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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