APL5331
Operating Waveforms (Cont.)
3. Load Transient Response : I
OUT
= +3A -> -3A -> +3A
- V
IN
= 2.5V, V
CNTL
= 3.3V
- V
REF
is 1.250V supplied by a regulator
- C
OUT
= 470µF/10V, ESR = 30mΩ
- I
OUT
slew rate = ±3A/µS
I
OUT
= +3A -> -3A
V
OUT
I
OUT
= +3A -> -3A -> +3A
I
OUT
= -3A -> +3A
V
OUT
V
OUT
I
OUT
+3A
I
OUT
I
OUT
-3A
Ch1 : V
OUT
, 50mV/Div, DC,
Offset = 1.250V
Ax1 : I
OUT
, 2A/Div
Time : 1µS/Div
Ch1 : V
OUT
, 50mV/Div, DC,
Offset = 1.250V
Ax1 : I
OUT
, 2A/Div
Time : 20µS/Div
Ch1 : V
OUT
, 50mV/Div, DC,
Offset = 1.250V
Ax1 : I
OUT
, 2A/Div
Time : 1µS/Div
4. Short-Circuit Test
- V
IN
= 2.5V, V
CNTL
= 3.3V
V
OUT
is Shorted to GND
I
OUT
I
OUT
V
OUT
is Shorted to V
IN
(2.5V)
V
OUT
V
OUT
V
OUT
I
OUT
Ch1 : V
OUT
, 500mV/Div, DC,
Ax1 : I
OUT
, 2A/Div
Time : 5mS/Div
Ch1 : V
OUT
, 500mV/Div, DC,
Ax1 : I
OUT
, 2A/Div
Time : 5mS/Div
Copyright
ANPEC Electronics Corp.
Rev. A.8 - Oct., 2003
9
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
