APL5331
Operating Waveforms
1. Load Transient Response : IOUT = +10mA -> +3A -> +10mA
- VIN = 2.5V, VCNTL = 3.3V
- VREF is 1.250V supplied by a regulator
- COUT = 470µF/10V, ESR = 30mΩ
- IOUT slew rate = ±3A/µS
IOUT = +10mA -> +3A
IOUT = +3A -> +10mA
IOUT = +10mA -> +3A -> +10mA
Load Regulation = -2.8mV
VOUT
VOUT
IOUT
VOUT
+3A
IOUT
IOUT
+10mA
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 1A/Div
Time : 1µS/Div
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 1A/Div
Time : 1µS/Div
Ax1 : IOUT, 1A/Div
Time : 20µS/Div
2. Load Transient Response : IOUT = -10mA -> -3A -> -10mA
- VIN = 2.5V, VCNTL = 3.3V
- VREF is 1.250V supplied by a regulator
- COUT = 470µF/10V, ESR = 30mΩ
- IOUT slew rate = ±3A/µS
IOUT = -10mA -> -3A
IOUT = -3A -> -10mA
IOUT = -10mA -> -3A -> -10mA
Load Regulation = +6.2mV
VOUT
VOUT
VOUT
IOUT
IOUT
-10mA
IOUT
-3A
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 1A/Div
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 1A/Div
Time : 20µS/Div
Ax1 : IOUT, 1A/Div
Time : 1µS/Div
Time : 1µS/Div
Copyright ANPEC Electronics Corp.
Rev. A.8 - Oct., 2003
8
www.anpec.com.tw