參數(shù)資料
型號(hào)： LM5005MH
廠(chǎng)商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： High Voltage 2.5 Amp Buck Regulator
中文描述： 4.25 A SWITCHING REGULATOR, 525 kHz SWITCHING FREQ-MAX, PDSO20
封裝： TSSOP-20
文件頁(yè)數(shù)： 5/21頁(yè)
文件大?。?/td> 774K
代理商： LM5005MH
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
IN
to GND
BST to GND
PRE to GND
SW to GND (Steady State)
BST to V
CC
V
CC
to GND
BST to SW
76V
90V
76V
-1.5V
76V
14V
14V
OUT to GND
SD, SYNC, SS, FB to GND
ESD Rating (Note 2)
Human Body Model
Storage Temperature Range
Limited to Vin
8V
2kV
-65C to +150C
Operating Ratings
(Note 1)
V
IN
Operation Junction Temperature
7V to 75V
40C to + 125C
Electrical Characteristics
type apply over full
Operating Junction Temperature range
. V
IN
= 48V, R
T
= 32.4k
unless otherwise stated .
Specifications with standard typeface are for T
J
= 25C, and those with
boldface
Symbol
Parameter
Conditions
Min
Typ
Max
Units
STARTUP REGULATOR
VccReg
Vcc Regulator Output
Vcc LDO Mode turn-off
Vcc Current Limit
6.85
7.15
9
20
7.45
V
V
Vcc = 0V
mA
VCC SUPPLY
Vcc UVLO Threshold
Vcc Undervoltage Hysteresis
Bias Current (Iin)
Shutdown Current (Iin)
(Vcc increasing)
5.95
6.35
1
6.75
V
V
FB = 1.3V
SD = 0V
5
mA
μA
60
100
SHUTDOWN THRESHOLDS
Shutdown Threshold
Shutdown Hysteresis
Standby Threshold
Standby Hysteresis
SD Pull-up Current Source
0.5
0.7
0.1
1.225
0.1
5
0.9
V
V
V
V
μA
1.18
1.27
SWITCH CHARACTERSICS
Buck Switch Rds(on)
BOOST UVLO
BOOST UVLO Hysteresis
Pre-charge Switch Rds(on)
Pre-charge Switch on-time
160
3.8
0.56
75
275
320
m
V
V
ns
CURRENT LIMIT
Cycle by Cycle Current Limit
Cycle by Cycle Current Limit Delay
RAMP = 0V
RAMP = 2.5V
3
3.5
100
4.25
A
ns
SOFT-START
SS Current Source
7
10
13
μA
OSCILLATOR
Frequency1
Frequency2
SYNC Source Impedance
SYNC Sink Impedance
SYNC Threshold (falling)
SYNC Frequency Range
SYNC Pulse Width Minimum
180
425
200
485
10
160
1.4
220
525
KHz
KHz
k
V
KHz
ns
RT = 11k
550
15
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM5005MH/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 2.5A Integrated Buck Regulator 75V 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
LM5005MHX 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
LM5005MHX/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
LM5006 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Evaluation Board provides the design engineer with a fully functional
LM5006EVAL/NOPB 功能描述:電源管理IC開(kāi)發(fā)工具 LM5006 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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