l5953 STMicroelectronics, l5953 Datasheet - Page 12

• Manufacturer Part Number: l5953
• Description: Multiple Switching Voltage Regulator
• Manufacturer: STMicroelectronics

Block diagram and electrical specifications
Table 7.
12/31
DC characteristics (T
AC characteristics (Tamb = -40 to 85°C, V
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CLCH
CHCL
DVCH
CHDX
DLDH
DHDL
SHQZ
QVCL
CLQX
QLQH
QHQL
V
SCLH
CLSH
SHSL
V
V
t
I
V
t
I
CH
LO
CL
OH
LI
OL
IH
IL
SPI interface (continued)
Figure 3.
t
t
t
t
t
t
t
DSU
t
t
t
t
t
Alt
t
WH
t
DIS
WL
t
HO
SU
SH
RC
DH
CS
t
RO
FO
FC
RI
FI
V
amb
Input leakage current
Output leakage current
Input low voltage
Input high voltage
Output low voltage
Output high voltage
S setup time
S hold time
Clock high time
Clock low time
Clock rise time
Clock fall time
Data In setup time
Data In hold time
Data In rise time
Data in fall time
S deselect time
Output disable time
Clock low to output valid
Output hold time
Output rise time
Output fall time
= -40 to 85°C, V
AC testing input output waveforms
Parameter
0.8V
0.2V
SPI
SPI
SPY
SPY
= 3V to 5.5V)
= 3V to 5.5V
I
I
4.5V < V
3V < V
OL
OH
Test conditions
= 2mA
= -2mA
SPI
SPI
< 4.5V
< 5.5V
D03AU1479
0.7V
0.3V
SPY
SPY
0.7V
0.8V
Min.
-0.3
300
200
250
200
50
50
50
50
0
SPI
SPI
0.3V
V
0.2V
Max.
250
SPI
150
100
100
±2
5
1
1
1
1
I
+1
SPI
SP
L5953
Unit
μA
μA
ns
ns
ns
ns
μs
μs
ns
ns
μs
μs
ns
ns
ns
ns
ns
ns
ns
V
V
V
V