Welcome to AAA CHIPS! ｜
    ｜
  • English

All Products

View All Products

LTC3857IGN-1#PBF

Linear Technology/Analog Devices
RoHS
RoHS RoHS compliant
Package 28-SSOP (0.154, 3.90mm Width)
Category PMIC - Voltage Regulators - DC DC Switching Controllers / PMIC - Voltage Regulators - DC DC Switching Controllers
Description CURRENT-MODE CMOS DUAL Surface Mount DC-DC Controller IC -40C~125C TJ 105kHz~835kHz 350kHz~535kHz 24V 9.9mm
PDF
PDF Download
Favorite
Payment Methods:
Delivery Services:
Pricing & Ordering
Inventory: 6513
Minimum: 1
Total Price: USD $2.82
Unit Price: USD $2.821451
≥1 USD $2.821451
≥10 USD $2.661741
≥100 USD $2.511083
≥500 USD $2.368944
≥1000 USD $2.234852

Technical Details

Supply Chain

Factory Lead Time 8 Weeks
Lifecycle Status PRODUCTION (Last Updated: 3 months ago)

Physical

Mounting Type Surface Mount
Package / Case 28-SSOP (0.154, 3.90mm Width)
Surface Mount YES
Number of Pins 28

Technical

Operating Temperature -40°C~125°C TJ
Packaging Tube
Published 2012
Series PolyPhase?
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Technology CMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.635mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number LTC3857
Function Step-Down
Number of Outputs 2
Output Voltage 24V
Output Type Transistor Driver
Input Voltage-Nom 12V
Number of Channels 1
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
Voltage - Supply (Vcc/Vdd) 4V~38V
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking
Input Voltage (Min) 4V
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching 105kHz~835kHz 350kHz~535kHz
Input Voltage (Max) 38V
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PHASE-SHIFT
Max Frequency 850kHz
Duty Cycle (Max) 99.4%
Clock Sync No

Compliance

RoHS Status ROHS3 Compliant
Lead Free Lead Free

Dimensions

Length 9.9mm
Width 3.9mm

Alternative Model

No data

Recommended For You

AS1741H-T
ams