參數(shù)資料
型號(hào)： LM3102MH
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： SIMPLE SWITCHER㈢ Synchronous 1MHz 2.5A Step-Down Voltage Regulator
中文描述： SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO20
封裝： PLASTIC, TSSOP-20
文件頁(yè)數(shù)： 4/18頁(yè)
文件大?。?/td> 330K
代理商： LM3102MH
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VIN, RON to AGND
SW to AGND
SW to AGND (Transient)
VIN to SW
BST to SW
All Other Inputs to AGND
Electrical Characteristics
over the full Operating Junction Temperature (T
J
) range. Minimum and Maximum limits are guaranteed through test, design, or
statistical correlation. Typical values represent the most likely parametric norm at T
J
= 25°C, and are provided for reference
purposes only. Unless otherwise stated the following conditions apply: V
IN
= 18V, V
OUT
= 3.3V.
Symbol
Parameter
Start-Up Regulator, V
CC
V
CC
V
CC
output voltage
C
CC
= 680nF, no load
V
IN
- V
CC
V
IN
- V
CC
dropout voltage
I
CC
= 2mA
I
CC
= 20mA
I
VCCL
V
CC
current limit (Note 4)
V
CC
= 0V
V
CC-UVLO
V
CC
under-voltage lockout threshold
(UVLO)
V
CC-UVLO-HYS
V
CC
UVLO hysteresis
V
IN
decreasing
t
VCC-UVLO-D
V
CC
UVLO filter delay
I
IN
I
IN
operating current
No switching, V
FB
= 1V
I
IN-SD
I
IN
operating current, Device shutdown
V
EN
= 0V
Switching Characteristics
R
DS-UP-ON
Main MOSFET R
DS(on)
R
DS- DN-ON
Syn. MOSFET R
DS(on)
V
G-UVLO
Gate drive voltage UVLO
V
BST
- V
SW
increasing
Soft-start
I
SS
SS pin source current
V
SS
= 0.5V
Current Limit
I
CL
Syn. MOSFET current limit threshold
ON/OFF Timer
t
on
ON timer pulse width
V
IN
= 10V, R
ON
= 100 k
V
IN
= 30V, R
ON
= 100 k
t
on-MIN
ON timer minimum pulse width
t
off
OFF timer pulse width
Enable Input
V
EN
EN Pin input threshold
V
EN
rising
V
EN-HYS
Enable threshold hysteresis
V
EN
falling
Regulation and Over-Voltage Comparator
V
FB
In-regulation feedback voltage
T
J
= 40°C to +125°C
V
SS
≥
0.8V
T
J
= 0°C to +125°C
V
FB-OV
Feedback over-voltage threshold
I
FB
-0.3V to 43.5V
-0.3V to 43.5V
-2V (< 100ns)
-0.3V to 43.5V
-0.3V to 7V
-0.3V to 7V
ESD Rating (Note 2)
Human Body Model
Storage Temperature Range
Junction Temperature (T
J
)
±2kV
-65°C to +150°C
150°C
Operating Ratings
(Note 1)
Supply Voltage Range (VIN)
Junction Temperature Range (T
J
)
Thermal Resistance (
θ
JC
) (Note 3)
4.5V to 42V
40°C to +125°C
6.5°C/W
Specifications with standard type are for T
J
= 25°C only; limits in
boldface type
apply
Conditions
Min
Typ
Max
Units
5.0
6.0
7.2
200
570
V
50
mV
350
40
3.6
65
mA
V
IN
increasing
3.75
3.9
V
130
mV
3
μs
0.7
1
mA
25
40
μA
0.18
0.375
0.225
4
V
0.11
3.3
6
8
10
μA
2.7
A
1.38
μs
0.47
150
ns
260
ns
1.13
1.18
1.23
V
90
mV
V
SS
≥
0.8V
0.784
0.8
0.816
V
0.788
0.812
0.888
0.920
0.945
V
5
nA
www.national.com
4
L
相關(guān)PDF資料
PDF描述
LM3103 SIMPLE SWITCHER㈢ Synchronous 1MHz 0.75A Step-Down Voltage Regulator
LM3103MH SIMPLE SWITCHER㈢ Synchronous 1MHz 0.75A Step-Down Voltage Regulator
LM3103MHX SIMPLE SWITCHER㈢ Synchronous 1MHz 0.75A Step-Down Voltage Regulator
LM3204 Miniature, Adjustable, Step-Down DC-DC Converter with Bypass Mode for RF Power Amplifiers
LM3204TL Miniature, Adjustable, Step-Down DC-DC Converter with Bypass Mode for RF Power Amplifiers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3102MH/NOPB 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 SYNC 1MHZ 2.5A STEP- DOWN VLTG REG RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
LM3102MHX 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 4.5V to 42V 20-Pin TSSOP EP T/R
LM3102MHX/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM3102QMH/NOPB 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 SIMPLE SWITCHER Sync 1MHz 2.5A SD Vtg Reg RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
LM3102QMHX/NOPB 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 SIMPLE SWITCHER Sync 1MHz 2.5A SD Vtg Reg RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*