參數(shù)資料
型號： L9952GXPTR
廠商： STMICROELECTRONICS
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO36
封裝： LEAD FREE, SSO-36
文件頁數(shù)： 43/68頁
文件大?。?/td> 859K
代理商： L9952GXPTR
Electrical characteristics
L9952GXP
Doc ID 13518 Rev 5
7.14
SPI
7.14.1
Input: CSN
The voltages are referred to ground and currents are assumed positive, when the current
flows into the pin. 6V < VS < 18V; 4.5V < V1 < 5.3V; all outputs open; Tj = -40°C...130°C,
unless otherwise specified.
7.14.2
Inputs: CLK, DI, PWM 1, PWM 2
The voltages are referred to ground and currents are assumed positive, when the current
flows into the pin. 6V< VS <18V; 4.5V < V1 < 5.3V; all outputs open; Tj = -40°C...130°C,
unless otherwise specified.
Table 28.
SPI (Input CSN)
Item
Symbol
Parameter
Test condition
Min.
Typ. Max. Unit
7.14.1
VCSNLOW
Input voltage low level
Active mode,
V1 = 5V
0.5
1.0
1.6
V
7.14.2
VCSNHIGH
Input voltage high level
Active mode,
V1=5V
1
1.75
2.5
V
7.14.3
VCSNHYS
VCSNHIGH - VCSNLOW
Active mode,
V1=5V
0.5
1.0
1.5
V
7.14.4
ICSNPU
CSN pull up current
Active mode and
V1 Standby
mode,V1=5V
-5
-30
-60
A
7.14.5
ICSNPD
CSN pull-down current
In Vbat- standby
mode
530
60
A
Table 29.
Inputs: CLK, DI, PWM 1, PWM 2
Item
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
7.14.6
tset
Delay time from standby
to active mode
Switching from
standby to active
mode. Time until
output drivers are
enabled after CSN
going to high.
160
300
s
7.14.7
Vin L
Input low level
V1 = 5 V
1.0
2.05
2.5
V
7.14.8
Vin H
Input high level
V1 = 5 V
1.5
2.8
3.3
V
7.14.9
Vin Hyst
Input hysteresis
V1 = 5 V
0.4
0.75
1.5
V
7.14.10
I in
Pull down current at input
Vin = 1.5 V
5
30
60
A
7.14.11
Cin
(1)
1.
Value of input capacity is not measured in production test. Parameter guaranteed by design.
Input capacitance at input
CSN, CLK, DI and
PWM1,2
0V < V1 < 5.3V
10
15
pF
7.14.12
fCLK
SPI input frequency at
CLK
1MHz
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