L4956 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L4956' PDF : 8 Pages View PDF
L4956
LOAD TRANSIENT RESPONSE
Figure 11.
Vout
50mV/div
CH1gnd
5A
0.5A
CH2gnd
Iout
2A/div
Figure 13.
t = 5µs/div
Vout
5 0mV/div
CH1gnd
5A
0.5A
CH2gnd
Iout
2A/div
t = 100µs/div
Figure 14. Load transient test circuit.
Figure 12.
Vout
50mV/div
CH1gnd
5A
0.5A
CH2gnd
Iout
2A/div
t = 5µs/div
Test conditions:
VPW = 3.3V; VSIG = 5; Vout = 1.5V; Load Transient
from 0.5A to 5A;
dlout
dt
=
20A/µs;
Tj
=
25°C
VIN=3.3V
VPW
C1,C2
470µF
Panasonic
HFQ
VSIG=5V VSIG
C16
220nF
PG
1
6
7
L4956
2
5
4
3
GND
INH
OUT
ADJ
R4
24Ω
R5
126Ω
VOUT=1.5V
C4 to C9
100µF/10V
AVX TPS
6 each
C10 to C15
1µF
AVX X7R
6 each
D97IN593
6/8
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