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L4956 Datasheet(PDF) 6 Page - STMicroelectronics

Part # L4956
Description  5A LOW DROP LINEAR REGULATOR
PDF  8 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4956 Datasheet(HTML) 6 Page - STMicroelectronics

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LOAD TRANSIENT RESPONSE
Figure 11.
Vout
50mV/div
CH1gnd
5A
0.5A
CH2gnd
Iout
2A/div
t= 5
µs/div
Figure 12.
Vout
50mV/div
CH1gnd
5A
t= 5
µs/div
Figure 13.
Vout
50mV/div
CH1gnd
5A
t = 100
µs/div
0.5A
CH2gnd
Iout
2A/div
0.5A
CH2gnd
Iout
2A/div
C1,C2
470
µF
Panasonic
HFQ
R4
24
Ω
R5
126
Ω
C4 to C9
100
µF/10V
AVX TPS
6 each
C10 to C15
1
µF
AVX X7R
6 each
VOUT=1.5V
VIN=3.3V
1
VPW
GND
43
INH
7
OUT
5
ADJ
L4956
PG
6
D97IN593
VSIG
C16
220nF
VSIG=5V
2
Figure 14. Load transient test circuit.
Test conditions:
VPW = 3.3V; VSIG =5; Vout = 1.5V; Load Transient
from 0.5A to 5A;
dlout
dt
= 20A/
µs; Tj = 25°C
L4956
6/8



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