The SGM3840 is designed for powering AMOLED displays which require VELVDD, VELVSS and VAVDD. The device integrates two Boost converters, VO1 for VELVDD and VO3 for VAVDD, and a dual-phase inverting Buck-Boost converter VO2 for VELVSS. Output voltages of all the three converters can be programmed in digital steps through the digital interface control pin (SWIRE).
The SGM3840 is available in a Green WLCSP-2.37×2.37-36B package.
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FEATURES
- 2.5V to 4.8V Input Supply Voltage Range
- Synchronous Boost Converter (VO1 = ELVDD)
- 4.6V to 5.0V Output Voltage with 100mV Steps
- 4.6V Default Output Voltage
- 0.7% Accuracy at 4.6V
- Output Voltage Sensing Pin for Path Loss Compensation (FBS)
- Synchronous Inverting Buck-Boost Converter (VO2 = ELVSS)
- -7.0V to -0.8V Output Voltage with 100mV Steps
- -3.0V Default Output Voltage
- 1% Accuracy at -3V
- ELVDD-ELVSS Combined Output Current Capability (VVO1 = 4.6V)
- 1A @ VIN = 2.5V, VVO2 = -3V
- 1A @ VIN = 2.6V, VVO2 = -4V
- 1A @ VIN = 2.8V, VVO2 = -5V
- 1A @ VIN = 3.1V, VVO2 = -6V
- Synchronous Boost Converter (AVDD)
- 5.5V to 7.9V Output Voltage with 100mV Steps
- 7.3V Default Output Voltage
- 0.8% Accuracy at 7.3V
- 150mA Output Current Capability
- VIN and VOUT Bi-Directional Isolation
- Short Circuit Protection (SCP)
- Overload Protection
- Thermal Shutdown
- VELVSS Start-Up Delay: 6ms
- Short Circuit and OLP Detection Time: 0.7ms
- Available in a Green WLCSP-2.37×2.37-36B Package
APPLICATIONS
Smartphones & Tablets
Active Matrix OLED Displays
Ordering Information
Part Number | Status | Package | Pins | Pd-Free | RoHS | REACH | Green | MSL Rating | Operating Temperature Range | Material Content | Reliability Report | Unit Resale Price* (Volume Range: in USD) | Lead Time** (Volume Range: Days) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SGM3840YG/TR | Active | WLCSP-2.37×2.37-36B | 36 | YES | YES | YES | YES | MSL1 | -40℃ to +85℃ | View | View |
* The unit resale price is for reference purposes only. Please contact our distributors for a formal quotation.
** The lead time provided is for reference purposes only and is subject to change based on different circumstances.
