SC189
Not Recommended for New Designs
The SC189 is a high efficiency, synchronous step-down regulator providing up to 1.5A output current in either an ultra-small 2mm x 2mm, low profile package or a low cost SOT23-5 package.
Features
- VIN Range: 2.9-5.5V
- VOUT Options: 1.0 - 3.3V
- Up to 1.5A Output Current
- Ultra-Small Footprint, <1mm Height Solution
- 2.5MHz Switching Frequency
- Efficiency Up to 93%
- Low Output Noise Across Load Range
- Excellent Transient Response
- Start Up into Pre-Bias Output
- 100% Duty-Cycle Low Dropout Operation
- <1μA Shutdown Current
- Internal Soft Start
- Input Under-Voltage Lockout
- Output Over-Voltage, Current Limit Protection
- Over-Temperature Protection
- Available in SOT23-5 package and 2mm x 2mm x 0.6mm thermally enhanced MLPD-UT6 package
- -40 to +85°C Temperature Range
- Fully WEEE and RoHS Compliant
- Bluetooth Radios
- DSC and PMPs
- GPS Devices
- xDSL Systems
- POL Regulators
- Portable HDD
- Wireless LAN
Applications
Packaging
- MLPD-UT6
- SOT23-5
Order Codes
- SC189xULTRT: (MLPD-UT6 package), Lead-Free, WEEE and RoHS Compliant, 3,000 pcs, Tape and Reel Only
- SC189xSKTRT: (SOT23-5 package), Lead-Free, WEEE and RoHS Compliant, 3,000 pcs, Tape and Reel Only
- SC189xEVB: SC189x Evaluation Board for MLPD-UT6 - Standard Size
- SC189xEVB-1: SC189x Evaluation Board for MLPD-UT6 - Small Size
- SC189xEVB-2: SC189x Evaluation Board for SOT23-5 - Standard Size
- SC189xEVB-3: SC189x Evaluation Board for SOT23-5 - Small Size
Pb(Lead)-Free/RoHS-Green Info
Base Part Number (1)
SC189A
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR
# of leads
5
Package Type
SOT-23
Pb-Free (2)
YES
Reflow Temp °C (3)
260
Lead or Ball Finish
MATTE Sn
MSL Rating
1
REACH SVH C(223) EC1907/2006 (18)
YES Download Report
JIG 101 A & B (12)
YES
YES Download Report
RoHS 2/3 Amend 2015/863 (7)
YES Download Report
WEEE 2012/19/EU (19)
YES
China RoHS 2 GB/T 26572-2011
YES Download Report
Halogen Free / Low IEC 61249-2-21/JS709C (20)
YES Download Report
Proposition 65 (21)
YES Download Report
Packaging Material 94/62/EC (17)
YES Download Report
RoHS Compliant by Exception (8)
NO
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
(-40°C to +85°C / 4000 cycles)
YES
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
(50°C, 4000 Hrs)
YES
60°C/90%RH 4000 Hrs, Whisker Test
YES
Declarations and Reports
IPC-1752-2
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