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Rev. A.8 - Oct., 2003
HPL5331
9
Copyright HIPAC Semiconductor, Inc.
www.hipacsemi.com
Operating Waveforms (Cont.)
3. Load Transient Response : IOUT = +3A -> -3A -> +3A
- 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 = +3A -> -3A
Ch1 : VOUT, 50mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 2A/Div
Time : 1
µS/Div
Ch1 : VOUT, 50mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 2A/Div
Time : 20
µS/Div
Ch1 : VOUT, 50mV/Div, DC,
Offset = 1.250V
Ax1 : IOUT, 2A/Div
Time : 1
µS/Div
IOUT = +3A -> -3A -> +3A
IOUT = -3A -> +3A
4. Short-Circuit Test
- VIN = 2.5V, VCNTL = 3.3V
VOUT is Shorted to GND
V
OUT
I
OUT
Ch1 : VOUT, 500mV/Div, DC,
Ax1 : IOUT, 2A/Div
Time : 5mS/Div
Ch1 : VOUT, 500mV/Div, DC,
Ax1 : IOUT, 2A/Div
Time : 5mS/Div
VOUT is Shorted to VIN (2.5V)
V
OUT
I
OUT
V
OUT
I
OUT
V
OUT
I
OUT
+3A
-3A
V
OUT
I
OUT
V
OUT
I
OUT
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