Rev. A.8 - Oct., 2003
HPL5331
8
Copyright HIPAC Semiconductor, Inc.
www.hipacsemi.com
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 = 470
µF/10V, ESR = 30mΩ
- IOUT slew rate = ±3A/
µS
IOUT = +10mA -> +3A
V
OUT
I
OUT
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 1A/Div
Time : 1
µS/Div
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 1A/Div
Time : 20
µS/Div
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 1A/Div
Time : 1
µS/Div
IOUT = +10mA -> +3A -> +10mA
IOUT = +3A -> +10mA
V
OUT
I
OUT
+3A
+10mA
V
OUT
I
OUT
2. Load Transient Response : IOUT = -10mA -> -3A -> -10mA
- VIN = 2.5V, VCNTL = 3.3V
- VREF is 1.250V supplied by a regulator
- COUT = 470
µF/10V, ESR = 30mΩ
- IOUT slew rate = ±3A/
µS
IOUT = -10mA -> -3A
V
OUT
I
OUT
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 1A/Div
Time : 1
µS/Div
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 1A/Div
Time : 20
µS/Div
Ch1 : VOUT, 20mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 1A/Div
Time : 1
µS/Div
IOUT = -10mA -> -3A -> -10mA
IOUT = -3A -> -10mA
V
OUT
I
OUT
-3A
-10mA
V
OUT
I
OUT
Load Regulation = -2.8mV
Load Regulation = +6.2mV
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