2.0A Low Output Voltage Ultra LDO Regulator
TJ2132
VBIAS
VBIAS
VEN
VEN
470pF
1nF
470pF
1nF
5.6nF
10nF
5.6nF
10nF
VOUT
VOUT
2.7nF
2.7nF
- VBIAS: 3V/div, VEN: 2V/div, VOUT: 500mV/div, 2ms/div
Start up @ IOUT=10mA, Circuit #1
- VBIAS: 3V/div, VEN: 2V/div, VOUT: 500mV/div, 2ms/div
Start up @ IOUT=2A, Circuit #1
(CSS is varied, Cff=10nF, R1=R2=10kΩ, VIN=1.7V, VEN=VBIAS=5.0V)
(CSS is varied, Cff=10nF, R1=R2=10kΩ, VIN=1.7V, VEN=VBIAS=5.0V)
10nF
100nF
VEN
VEN
100nF
10nF
330nF
VOUT
VOUT
- VEN: 2V/div, VOUT: 500mV/div, 1ms/div
Start up @ IOUT=10mA, Circuit #1
- VEN: 2V/div, VOUT: 500V/div, 2ms/div
Start up @ IOUT=10mA, Circuit #5
(Cff is varied, CSS=open, R1=R2=10kΩ, VIN=1.7V, VBIAS=5.0V)
(Cdelay is varied, CSS=open, R1=R2=10kΩ, VIN=1.7V, VBIAS=5.0V)
VOUT
VOUT
IOUT
IOUT
- VOUT: 100mV/div, IOUT: 1A/div, 200us/div
Load Transient Response
- VOUT: 100mV/div, IOUT: 1A/div, 200us/div
Load Transient Response
(Cff=10nF, CSS=470pF, R1=R2=10kΩ, VIN=1.7V, VEN=VBIAS=5.0V)
(Cff=10nF, CSS=470pF, R1=R2=10kΩ, VIN=1.7V, VEN=VBIAS=5.0V)
Aug. 2014 – Rev.1.1.3
8
HTC