NC4650
FEATURES
- Operating Junction Temperature Range:
-40 ºC to 125 ºC
- Input Voltage Range (Maximum Rating):
0.6 V to 5.5 V (6.5 V)
- Startup Voltage:
Typ. 0.8 V
- Output Voltage Range:1.8 V to 5.0 V (Int.Fixed)
- Quiescent Current (VOUT):
Normal Mode: Typ. 70 n A
Low Ripple Mode: Typ. 90 μA
- Shutdown Current:
Typ. 50 n A
- Efficiency (VIN=1.5 V,VOUT=3.3 V,IOUT=10 μA):
Typ. 85 %
- Switch Current Limit: Typ. 1 A (VSET ≥2.5 V)
Typ. 0.65 A (VSET < 2.5 V)
- Thermal Shutdown Function:
Detection Temperature: Typ. 150 °C
Release Temperature: Typ. 100 °C
- Soft Start Function
- Buck Operation or Pass-Through when
VIN > VOUT
- Manual switching between Normal Mode and
Low Ripple Mode via MODE Pin
- Multiple versions for shutdown behavior
APPLICATIONS
- Io T Edge Devices
- Devices Powered by Coin/Button/Dry Batteries
- Alarms, Smartwatches etc.
GENERAL DESCRIPTION
The NC4650 is a synchronous rectification boost switching regulator featuring ultra-low quiescent current of...
