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- Manufacturer No：LTC3857IGN-1#PBF
- Manufacturer：Linear Technology/Analog Devices
- Category：PMIC - Voltage Regulators - DC DC Switching Controllers
- Datasheet：LTC3857IGN-1#PBF
- SKU：11245182
- Description：CURRENT-MODE CMOS DUAL Surface Mount DC-DC Controller IC -40C~125C TJ 105kHz~835kHz 350kHz~535kHz 24V 9.9mm
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User Guide
LTC3857IGN-1#PBF Details
CURRENT-MODE CMOS DUAL Surface Mount DC-DC Controller IC -40C~125C TJ 105kHz~835kHz 350kHz~535kHz 24V 9.9mm
LTC3857IGN-1#PBF Specification Parameters
- Part Status: Active
- Moisture Sensitivity Level (MSL): 1 (Unlimited)
- Mounting Type: Surface Mount
- ECCN Code: EAR99
- Surface Mount: YES
- Lead Free: Lead Free
- Factory Lead Time: 8 Weeks
- Synchronous Rectifier: Yes
- Technology: CMOS
- Peak Reflow Temperature (Cel): 260
- Input Voltage-Nom: 12V
- Time@Peak Reflow Temperature-Max (s): 30
- Number of Pins: 28
- Width: 3.9mm
- Control Technique: PULSE WIDTH MODULATION
- Subcategory: Switching Regulator or Controllers
- Function: Step-Down
- Length: 9.9mm
- Output Type: Transistor Driver
- Analog IC - Other Type: DUAL SWITCHING CONTROLLER
- Switcher Configuration: PHASE-SHIFT
- Package / Case: 28-SSOP (0.154, 3.90mm Width)
- Max Frequency: 850kHz
- Frequency - Switching: 105kHz~835kHz 350kHz~535kHz
- Base Part Number: LTC3857
- RoHS Status: ROHS3 Compliant
- Number of Outputs: 2
- Number of Channels: 1
- Clock Sync: No
- JESD-609 Code: e3
- Terminal Position: DUAL
- Packaging: Tube
- Terminal Form: GULL WING
- Published: 2012
- Terminal Finish: Matte Tin (Sn)
- Output Voltage: 24V
- Number of Terminations: 28
- Output Configuration: Positive
- Input Voltage (Min): 4V
- Topology: Buck
- Control Mode: CURRENT-MODE
- Operating Temperature: -40°C~125°C TJ
- Terminal Pitch: 0.635mm
- Lifecycle Status: PRODUCTION (Last Updated: 3 months ago)
- Input Voltage (Max): 38V
- Series: PolyPhase?
- Duty Cycle (Max): 99.4%
- Control Features: Enable, Frequency Control, Power Good, Soft Start, Tracking
- Voltage - Supply (Vcc/Vdd): 4V~38V
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