SI9122DQ-T1-E3
RoHS 
RoHS compliant
RoHS compliantPackage 20-TSSOP (0.173, 4.40mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
SI9122 Half-Bridge Tape & Reel (TR) e3 DC to DC switching controller 2.5mA 190.990737mg 3.3V 500kHz
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Buying Options
Total Price: USD $5.29
Unit Price: USD $5.2896
≥1 USD $5.2896
≥10 USD $4.3396
≥100 USD $4.2047
≥500 USD $4.06885
≥1000 USD $3.933
Inventory: 1129
Minimum: 1
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Technical Details
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-TSSOP (0.173, 4.40mm Width)
Number of Pins 20
Weight 190.990737mg
Technical
Operating Temperature -40°C~85°C TA
Packaging Tape & Reel (TR)
Published 2013
JESD-609 Code e3
Pbfree Code yes
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.65mm
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number SI9122
Function Step-Up/Step-Down
Number of Outputs 1
Output Voltage 3.3V
Output Type Transistor Driver
Operating Supply Voltage 72V
Input Voltage-Nom 12V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive, Isolation Capable
Output Current 2.5mA
Voltage - Supply (Vcc/Vdd) 10V~13.2V
Control Features Current Limit, Sequencing, Soft Start
Topology Half-Bridge
Control Mode VOLTAGE-MODE
Frequency - Switching 500kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Max Frequency 750kHz
Max Duty Cycle 95 %
Duty Cycle (Max) 92%
Clock Sync No
Dimensions
Length 6.5mm
Width 4.4mm
Compliance
RoHS Status ROHS3 Compliant
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