R5328K
R5328K is Low Voltage 3-Mode Dual 150mA LDO manufactured by RICOH.
FEATURES
- Supply Current (Low Power Mode) Typ. 2.0μA×2 (VR1&VR2) (VOUT<2.0V) Typ. 2.5μA×2 (VR1&VR2) (VOUT >= 2.0V)
- Supply Current (Fast Mode) Typ. 75μA×2 (VR1&VR2) (VOUT<2.0V) Typ. 65μA×2 (VR1&VR2) (VOUT >= 2.0V)
- Standby Mode Typ. 0.1μA (VR1&VR2)
- Input Voltage 1.4V to 6.0V
- Output Voltage Range 0.8V to 4.0V (0.1V steps)
(For details, please refer to MARK INFORMATIONS.)
- Dropout Voltage Typ. 0.25V (IOUT=150m A, VOUT=2.8V)
- Ripple Rejection (Fast Mode) Typ. 70d B (f=1k Hz)
- Line Regulation (Fast Mode) Typ. 0.02%/V
- Output Voltage Accuracy (Fast Mode) ±1.0%
- Output Voltage Accuracy (Low Power Mode) ±1.2%
- Temperature-drift Coefficient of Output Voltage....Typ. ±100ppm/°C
- Package DFN(PLP)2020-8
- Built-in fold-back protection circuit Typ. 50m A (Current at short mode)
- Ceramic Capacitor is remended. 1.0μF
- Built-in chip enable circuit (A/B: active high)
(Depending on VIN and set VOUT. Refer to the electrical characteristics table.)
APPLICATIONS
- Power source for handheld munication equipment.
- Power source for electrical appliances such as cameras, VCRs and camcorders.
- Power source for battery-powered equipment.
BLOCK DIAGRAMS
R5328Kxxx A
ECO1 7 CE1 8 VDD 3 ECO2 6
CE2 5
Error Amp.
+ Vref
Current Limit
R1_1 R2_1
Error Amp.
+ Vref
Current Limit
R1_2 R2_2
ECO1 7 CE1 8 VDD 3 ECO2 6
CE2 5
R5328Kxxx B
Error Amp.
+ Vref
Current...