SC121
The SC121 is a high efficiency, low noise, synchronous step-up DC-DC converter that provides boosted voltage levels in low-voltage handheld applications. The wide input voltage range allows use in systems with single NiMH or alkaline battery cells as well as in systems with higher voltage battery supplies.
Features
- Input voltage — 0.7V to 4.5V
- Minimum start-up voltage — 0.85V
- Output voltage — fixed at 3.3V; adjustable from 1.8V to 5.0V
- Peak input current limit — 1.2A
- Output current at 3.3 VOUT — 80mA with VIN = 1.0V,
- 190mA with VIN = 1.5V
- Forced PWM operation at all loads
- Efficiency up to 94%
- Internal synchronous rectifier
- No forward conduction path during shutdown
- Switching frequency — 1.2MHz
- Soft-start startup current limiting
- Shutdown current — 0.1μA (typ)
- Ultra-thin 1.5 x 2.0 x 0.6 (mm) MLPD-UT-6 package
- Lead-free and halogen-free
- WEEE and RoHS compliant
- MP3 players
- Smart phones and cellular phones
- Palmtop computers and handheld instruments
- PCMCIA cards and memory cards
- Digital cordless phones
- Personal medical products
- Wireless VoIP phones
- Small motors
アプリケーション
Packaging
- MLPD-UT-6
Order Codes
- SC121ULTRT
Pb(Lead)-Free/RoHS-Green Info
Base Part Number (1)
SC121
Part Description
LOW VOLTAGE SYNCHRONOUS BOOST REGULATOR
# of leads
6
Package Type
MLPD-UT
Pb-Free (2)
YES
Reflow Temp °C (3)
260
Lead or Ball Finish
NiPdAu
MSL Rating
1
REACH SVH C(233) 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
Declarations and Reports
IPC-1752-2
Datasheets & Documentation
mySemtech
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