參數(shù)資料
型號(hào)： LTC3890MPUH#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： DUAL SWITCHING CONTROLLER, 585 kHz SWITCHING FREQ-MAX, PQCC32
封裝： 5 X 5 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32
文件頁(yè)數(shù)： 12/38頁(yè)
文件大?。?/td> 381K
代理商： LTC3890MPUH#TRPBF
LTC3890
2
3890fa
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
(Note 1)
32 31 30 29 28 27 26 25
9
10 11 12 13 14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
TOP VIEW
SENSE1–
FREQ
PHASMD
CLKOUT
PLLIN/MODE
SGND
RUN1
RUN2
BOOST1
BG1
VIN
PGND
EXTVCC
INTVCC
BG2
BOOST2
SENSE1
+
V
FB1
ITH
1
TRACK/SS1
I LIM
PGOOD1
TG1
SW1
SENSE2
–
SENSE2
+
V
FB2
ITH
2
TRACK/SS2
PGOOD2
TG2
SW2
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
33
SGND
TJMAX = 150°C, θJA = 34°C/W
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3890EUH#PBF
LTC3890EUH#TRPBF
3890
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3890IUH#PBF
LTC3890IUH#TRPBF
3890
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3890HUH#PBF
LTC3890HUH#TRPBF
3890
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 150°C
LTC3890MPUH#PBF
LTC3890MPUH#TRPBF
3890
32-Lead (5mm × 5mm) Plastic QFN
–55°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
Input Supply Voltage (VIN)......................... –0.3V to 65V
Topside Driver Voltages
BOOST1, BOOST2 .................................–0.3V to 71V
Switch Voltage (SW1, SW2) ......................... –5V to 65V
(BOOST1-SW1), (BOOST2-SW2) ................ –0.3V to 6V
RUN1, RUN2 ............................................... –0.3V to 8V
Maximum Current Sourced into Pin from
Source > 8V .....................................................100μA
SENSE1+, SENSE2+, SENSE1–
SENSE2– Voltages ..................................... –0.3V to 28V
PLLIN/MODE Voltage................................... –0.3V to 6V
FREQ Voltage ........................................ –0.3V to INTVCC
ILIM, PHASMD Voltages .......................–0.3V to INTVCC
EXTVCC ..................................................... –0.3V to 14V
ITH1, ITH2, VFB1, VFB2 Voltages................... –0.3V to 6V
PGOOD1, PGOOD2 Voltages ....................... –0.3V to 6V
TRACK/SS1, TRACK/SS2 Voltages ............. –0.3V to 6V
Operating Junction Temperature Range (Notes 2, 3)
LTC3890E, LTC3890I ......................... –40°C to 125°C
LTC3890H.......................................... –40°C to 150°C
LTC3890MP....................................... –55°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input Supply Operating Voltage Range
4
60
V
VFB1,2
Regulated Feedback Voltage
(Note 4) ITH1,2 Voltage = 1.2V
–40°C to 85°C, All Grades
LTC3890E, LTC3890I
LTC3890H, LTC3890MP
l
0.792
0.788
0.786
0.800
0.808
0.812
V
The
l denotes the specifications which apply over the full operating junction
temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VRUN1,2 = 5V, EXTVCC = 0V unless otherwise noted. (Note 2)
相關(guān)PDF資料
PDF描述
LTC3890EUH#PBF DUAL SWITCHING CONTROLLER, 585 kHz SWITCHING FREQ-MAX, PQCC32
LTC3890IUH#TRPBF DUAL SWITCHING CONTROLLER, 585 kHz SWITCHING FREQ-MAX, PQCC32
LTC3890HUH#PBF DUAL SWITCHING CONTROLLER, 585 kHz SWITCHING FREQ-MAX, PQCC32
LTC3890HUH#TRPBF DUAL SWITCHING CONTROLLER, 585 kHz SWITCHING FREQ-MAX, PQCC32
LTC3891HFE#TRPBF SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LTC3891EFE#PBF 制造商:Linear Technology 功能描述:IC DC-DC CONV 900kHz TSSOP20
LTC3891EFE#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 20TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 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:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LTC3891EUDC#PBF 功能描述:IC REG CTRLR BUCK PWM CM 20-QFN 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
LTC3891EUDC#PBF 制造商:Linear Technology 功能描述:IC DC-DC CONV 900kHz QFN20
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