LTC3857IUH#PBF Linear Technology, LTC3857IUH#PBF Datasheet - Page 37

• Manufacturer Part Number: LTC3857IUH#PBF
• Description: IC CTRLR STP-DN SYNC DUAL 32QFN
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3857IUH#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 24 V
• Frequency - Switching: 50kHz ~ 900kHz
• Voltage - Input: 4 ~ 38 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -

REVISION HISTORY
REV
A
B
C
12/09
08/10
11/10
DATE
DESCRIPTION
Change to Absolute Maximum Ratings
Change to Order Information
Change to Electrical Characteristics
Change to Typical Performance Characteristics
Change to Pin Functions
Text Changes to Operations Section
Text Changes to Applications Information Section
Change to Table 2
Change to Figure 11
Changes to Related Parts
Change to Electrical Characteristics
Change to Graph G07
Added Typical Application to back page and updated Related Parts
Updated Features
Updated Electrical Characteristics
Change to Figure 13
Change to Typical Applications drawings
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
LTC3857
32, 33, 34, 35 & 38
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