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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
- Automotive
- Portable devices, Wearable Electronics
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, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 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, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 970160365 | SPEC | – |
| Samples |
|---|
| 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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