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Overview
| Topology | Other Topology |
| Switching frequency | 3600-4400 kHz |
| IC revision | 1.0 |
Description
Project: SC21150 WLCSP EVBSemtech IC: SC21150ACSTRTApplication: Power applicationDFE201610P-R47M-P2 (1206 0.47uH)The SC211 50 is an ultra high efficiency 1.2A DC/DC buckregulator available in a tiny CSP package. These featuresmake the SC211 50 family perfect for small form factorportable applications where long battery life is essential.SC211 50 is an Adaptive On-Time 4MHz switching regulatorat full load conditions. Under light load conditions itseamlessly transitions into Power Save Mode and reducesswitching frequency thus saving energy. High switchingfrequency operation allows the use of a very small 0.47μHinductor along with small input and output capacitors tominimize overall circuit size. A Forced PWM input allowscontinuous switching under all load conditions.The SC211 50 is highly configurable with a wide range offactory options including internal Soft Start time, fixed oradjustable output voltage, automatic output discharge,and a Forced PWM input.The SC211 50 is offered in an ultra small WLCSP 6-Bump0.75mm x1.11 mm package with a bump pitch of 0.35mm.The SC211 50 operating temperature range is -40C to+85C.
Features
Remarks- BOM is added with Main pdf
Input voltage range — 2.3V to 5.5V1.2A continuous output current4MHz switching frequencyAdjustable Output Voltage0.8V to VIN1% output voltage accuracyAdaptive On-Time architectureUp to 100% duty cycleUp to 96% peak efficiencyPower Save mode for efficient light load operation
90% efficiency 30mA to 75mA1μA shutdown current23μA quiescent currentPre-bias startup protectionInternal or optional external Soft StartDevice options (contact Semtech Marketing)Automatic output dischargePower Good indicatorInternal Soft StartExternal Programmable Soft StartForced PWM Operation Input0.75mm x 1.11mm, 6-Bump WLCSP PackageWEEE and RoHS compliant and halogen-free
Typical applications
- GPS devices, Smart Phones
- Battery powered equipment
- Tablet PCs
- Portable devices, Wearable Electronics
- Automotive
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT1 (A) | ISAT2 (A) | RDC max. (mΩ) | fres (MHz) | Version | SW (mm) | L (mm) | Ti | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74479276147 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PMCI Power Molded Chip Inductor | 0.47 | 6.8 | 2.95 | 6.3 | 30 | 165 | Standard | – | 2 | – | ||
 | 970160365 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SPAII Plastic Spacer Stud, metric, internal/ internal | – | – | – | – | – | – | – | 6 | 16 | M3 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74479276147 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 970160365 | SPEC | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT1 (A) | ISAT2 (A) | RDC max. (mΩ) | fres (MHz) | Version | SW (mm) | L (mm) | Ti | Samples |
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