SGM3833.pdf• 2.9V to 4.5V Input Voltage Range
• Synchronous Boost Converter (AVDD)
5.8V to 7.9V Output Voltage (Programmable)
7.6V Default Output Voltage
1.2% Accuracy
100mA Output Current Capability
VIN to VOUT and VOUT to VIN Isolation
• Synchronous Boost Converter (ELVDD)
4.6V to 5.0V Output Voltage (Programmable)
4.6V Default Output Voltage
1.2% Accuracy
400mA Output Current Capability
• Synchronous Inverting Buck-Boost Converter (ELVSS)
-4.0V Default Output Voltage
1.5% Accuracy at -4.0V (±60mV)
400mA Output Current Capability
• Short Circuit Protection
• Thermal Shutdown
• VELVSS Start-Up Delay: 10ms
• Short Circuit and OLP Detect Time: 1ms
• Operating input voltage range from 2.5 V to 4.5 V
• 300 mA output current for step-up and inverting
converters (VIN > 2.9 V)
• 55 mA output current for an auxiliary step-up converter
(VIN > 2.9 V)
• 4.6 V positive step-up converter
• Programmable negative voltage from - 0.8 V to - 4.8 V
default -4.0 V
• Auxiliary step-up converter positive voltage programmable
step from 5.8 V to 7.9 V default 7.6 V
• Soft-start with inrush current protection
• Overtemperature protection
• True-shutdown mode
• Short-circuit protection
• Package QFN16 (3.0x3.0 mm), 0.5 mm pitch
