參數(shù)資料
型號(hào)： LT3837IFE#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, 110 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 4.40 MM, LEAD FREE, PLASTIC, TSSOP-16
文件頁(yè)數(shù)： 12/28頁(yè)
文件大小： 247K
代理商： LT3837IFE#PBF
LT3837
2
3837fc
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
VCC to GND ................................................ –0.3V to 22V
UVLO, SYNC Pin Voltage ............................–0.3V to VCC
SENSE–, SENSE+ Pin Voltage......................–0.5V, +0.5V
FB Pin Current....................................................... ±2mA
VC Pin Current....................................................... ±1mA
Operating Junction Temperature Range
(Notes 2, 3, 4)........................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
(Note 1)
The
l denotes specications which apply over the full operating junction
temperature range, otherwise specications are TA = 25°C. VCC = 14V; PG, SG Open; VC = 1.4V, VSENSE = 0, RCMP = 1k, RTON = 90k,
RPGDLY = 27.4k, RENDLY = 90k, unless otherwise specied.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply
VCC Operating Range
l
4.5
20
V
VCC Supply Current (ICC) (Note 5)
VC = Open
l
4
6.4
10
mA
VCC Shutdown Current
VC = Open, VUVLO = OV
l
50
150
μA
Feedback Amplier
Feedback Regulation Voltage (VFB)
l
1.220
1.237
1.251
V
Feedback Pin Input Bias Current
RCMP Open
200
nA
Feedback Amplier Transconductance
ΔIC = ±10μA
l
700
1000
1400
μmho
Feedback Amplier Source or Sink Current
l
25
55
90
μA
Feedback Amplier Clamp Voltage
VFB = 0.9
VFB = 1.4
2.56
0.84
V
Reference Voltage Line Regulation
12V ≤ VIN ≤ 18V
l
0.005
0.05
%V
PIN CONFIGURATION
FE PACKAGE
16-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
SG
VCC
tON
ENDLY
SYNC
SFST
OSC
FB
PG
PGDLY
RCMP
CCMP
SENSE+
SENSE–
UVLO
VC
17
TJMAX = 125°C, θJA = 40°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 17) IS GND,MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3837EFE#PBF
LT3837EFE#TRPBF
3837EFE
16-Lead Plastic TSSOP
–40°C to 125°C
LT3837IFE#PBF
LT3837IFE#TRPBF
3837FE
16-Lead Plastic TSSOP
–40°C to 125°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3837EFE
LT3837EFE#TR
3837EFE
16-Lead Plastic TSSOP
–40°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
相關(guān)PDF資料
PDF描述
LT3837IFE#TRPBF SWITCHING CONTROLLER, 110 kHz SWITCHING FREQ-MAX, PDSO16
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LT3845AIFE#TRPBF SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
LT3845AMPFE#PBF SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
LT3845EFE#TR SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO16
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LT3844EFE#PBF 功能描述:IC REG CTRLR BST INV PWM 16TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 特色產(chǎn)品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.5 V ~ 18 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR
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