L99LD02 datasheet(59/66 Pages) STMICROELECTRONICS

tên linh kiện	L99LD02

Giải thích chi tiết về linh kiện	Automotive dual-phase boost DC/DC controller

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59 / 66 page

DS12448 Rev 3

59/66

L99LD02

Electrical specifications

Table 40. SDO output

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

VOUT_L

Output voltage low

threshold

Iout = 4 mA

0.2 * VDD

VOUT_H

Output voltage high

threshold

Iout = −4 mA

0.8 * VDD

IOUT_LEAK

Output leakage

current

VOUT = 0 V

-5

µA

Table 41. SPI timing

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

tsck

Serial clock (SCK) period

250

tHsck

SCK high time

100

tLsck

SCK low time

100

trise_in

CSN, SCK, SDI rise time

Fsck = 4MHz

tfall_in

CSN, SCK, SDI fall time

Fsck = 4MHz

tHcsn

CSN high time

µs

tScsn

CSN setup time,

CSN low before SCK rising

100

tSsck

SCK setup time,

SCK low before CSN rising

100

tSsdi

SDI setup time before SCK rising

thold_sdi

SDI hold time

tcsn_v

CSN falling until SDO valid

Cout = 50pF;

Iout = ±1mA

100

tcsn_t

CSN rising until SDO tristate

Cout = 50pF;

Iout = ±4mA

100

tsck_v

SCK falling until SDO valid

Cout = 50pF

tRsdo

SDO rise time

Guaranteed by scan

and frequency

oscillator (20 MHz,

typical)

100

tFsdo

SDO fall time

Guaranteed by scan

and frequency

oscillator (20 MHz,

typical)

100

tcsn_low_t

CSN low timeout

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