LTC3855IFE#PBF Linear Technology, LTC3855IFE#PBF Datasheet - Page 42

• Manufacturer Part Number: LTC3855IFE#PBF
• Description: IC CTLR DC/DC MULTIPHASE 38SSOP
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3855IFE#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 3.3 V, 0.6 ~ 12.5 V
• Current - Output: 25A
• Frequency - Switching: 250kHz ~ 770kHz
• Voltage - Input: 4.5 ~ 38 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 38-TSSOP Exposed Pad, 38-eTSSOP, 38-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC3855
package DescripTion

6.60 ±0.10
4.50 REF
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
RECOMMENDED SOLDER PAD LAYOUT
(.0035 – .0079)
0.09 – 0.20
SEE NOTE 4
4.75 REF
MILLIMETERS
(INCHES)
(.169 – .177)
4.30 – 4.50*
(.020 – .030)
0.50 – 0.75
0.50 BSC
2.74 REF
0.315 ±0.05
(Reference LTC DWG # 05-08-1772 Rev A)
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
4. RECOMMENDED MINIMUM PCB METAL SIZE
38-Lead Plastic TSSOP (4.4mm)
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
FOR EXPOSED PAD ATTACHMENT
1.05 ±0.10
Exposed Pad Variation AA
0.25
REF
0 – 8
FE Package
(.0196)
0.50
BSC
38
(.0067 – .0106)
1
0.17 – 0.27
TYP
(.378 – .386)
9.60 – 9.80*
(.187)
4.75
REF
FE38 (AA) TSSOP 0608 REV A
20
19
(.002 – .006)
0.05 – 0.15
(.108)
(.047)
2.74
MAX
1.20
REF
(.252)
6.40
BSC
3855f