參數(shù)資料
型號(hào)： LTC3546IUFD#TR
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PQCC28
封裝： 4 X 5 MM, PLASTIC, MO-220, QFN-28
文件頁(yè)數(shù)： 12/28頁(yè)
文件大小： 356K
代理商： LTC3546IUFD#TR
LTC3546
2
3546fb
ABSOLUTE MAXIMUM RATINGS
VIN1, VIN1D, VIN2, VCCA, VCCD Voltages......... –0.3V to 6V
SYNC/MODE, SW1, SW1D, SW2A, SW2B,
RUN1, RUN2, VFB1, VFB2, PHASE, FREQ,
ITH1, ITH2, TRACK/SS1, TRACK/SS2, BMC1,
BMC2 Voltages ................ –0.3V to (VIN1 or VIN2) + 0.3V
(Note 1)
9
10
TOP VIEW
UFD PACKAGE
28-LEAD (4mm
5mm) PLASTIC QFN
11 12 13
28 27 26 25 24
14
23
6
5
4
3
2
1
BMC2
TRACK/SS2
VFB2
ITH2
VCCD
RUN2
VIN2
VIN1
BMC1
TRACK/SS1
VFB1
ITH1
PHASE
RUN1
PGND2
PGND1
PGOOD2
SYNC/MODE
V
CCA
GNDA
FREQ
PGOOD1
V
IN1D
SW2A
SW2B
SW1D
SW1
PGND1D
7
17
18
19
20
29
21
22
16
8
15
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD (PIN 29) IS GNDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
FE PACKAGE
28-LEAD PLASTIC TSSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCCA
SYNC/MODE
PGOOD2
BMC2
TRACK/SS2
VFB2
ITH2
VCCD
RUN2
VIN2
VIN1
VIN1D
SW2A
SW2B
GNDA
FREQ
PGOOD1
BMC1
TRACK/SS1
VFB1
ITH1
PHASE
RUN1
PGND2
PGND1
PGND1D
SW1
SW1D
29
TJMAX = 125°C, θJA = 25°C/W
EXPOSED PAD (PIN 29) IS GNDD MUST BE SOLDERED TO PCB
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3546EUFD#PBF
LTC3546EUFD#TRPBF
3546
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 85°C
LTC3546IUFD#PBF
LTC3546IUFD#TRPBF
3546
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3546EFE#PBF
LTC3546EFE#TRPBF
LTC3546FE
28-Lead Plastic TSSOP
–40°C to 85°C
LTC3546IFE#PBF
LTC3546IFE#TRPBF
LTC3546FE
28-Lead Plastic TSSOP
–40°C to 125°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3546EUFD
LTC3546EUFD#TR
3546
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 85°C
LTC3546IUFD
LTC3546IUFD#TR
3546
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3546EFE
LTC3546EFE#TR
LTC3546FE
28-Lead Plastic TSSOP
–40°C to 85°C
LTC3546IFE
LTC3546IFE#TR
LTC3546FE
28-Lead Plastic TSSOP
–40°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
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/
Maximum Difference Between Any of
VIN1, VIN1D, VIN2, VCCA, VCCD ..................................0.3V
PGOOD1, PGOOD2 Voltage.......................... –0.3V to 6V
Operating Junction Temperature Range
(Notes 2, 6, 7)........................................ –40°C to 125°C
Storage Temperature Range................... –65°C to 125°C
相關(guān)PDF資料
PDF描述
LTC3546EFE DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28
LTC3546IFE#TRPBF DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28
LTC3546IFE#TR DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28
LTC3554EUD-2#TRPBF 0.6 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC20
LTC3554EUD#PBF 0.6 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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