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L99LD02 데이터시트(PDF) 59 Page - STMicroelectronics

부품명 L99LD02
상세설명  Automotive dual-phase boost DC/DC controller
PDF  66 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99LD02 데이터시트(HTML) 59 Page - STMicroelectronics

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DS12448 Rev 3
59/66
L99LD02
Electrical specifications
64
Table 40. SDO output
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
VOUT_L
Output voltage low
threshold
Iout = 4 mA
0.2 * VDD
V
VOUT_H
Output voltage high
threshold
Iout = −4 mA
0.8 * VDD
V
IOUT_LEAK
Output leakage
current
VOUT = 0 V
-5
5
µA
Table 41. SPI timing
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
tsck
Serial clock (SCK) period
250
ns
tHsck
SCK high time
100
ns
tLsck
SCK low time
100
ns
trise_in
CSN, SCK, SDI rise time
Fsck = 4MHz
25
ns
tfall_in
CSN, SCK, SDI fall time
Fsck = 4MHz
25
ns
tHcsn
CSN high time
6
µs
tScsn
CSN setup time,
CSN low before SCK rising
100
ns
tSsck
SCK setup time,
SCK low before CSN rising
100
ns
tSsdi
SDI setup time before SCK rising
25
ns
thold_sdi
SDI hold time
25
ns
tcsn_v
CSN falling until SDO valid
Cout = 50pF;
Iout = ±1mA
100
ns
tcsn_t
CSN rising until SDO tristate
Cout = 50pF;
Iout = ±4mA
100
ns
tsck_v
SCK falling until SDO valid
Cout = 50pF
60
ns
tRsdo
SDO rise time
Guaranteed by scan
and frequency
oscillator (20 MHz,
typical)
100
ns
tFsdo
SDO fall time
Guaranteed by scan
and frequency
oscillator (20 MHz,
typical)
100
ns
tcsn_low_t
CSN low timeout
20
35
50
ms



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