L9950XPTR datasheet(14/39 Pages) STMICROELECTRONICS

14 / 39 page

Electrical specifications

L9950 - L9950XP

14/39

Doc ID 10311 Rev 10

2.6

SPI - electrical characteristics

VS = 8 to 16 V, VCC = 4.5 to 5.3 V, Tj = - 40 to 150 °C, unless otherwise specified. The

voltages are referred to GND and currents are assumed positive, when the current flows into

the pin.

Note:

Value of input capacity is not measured in production test. Parameter guaranteed by design.

dVOUT16/dt Slew rate of OUT1,OUT6

VS =13.5 V

Iload = ±1.5 A

0.1

0.2

0.4

V/µs

dVOUT23/dt,

dVOUT78910/dt

Slew rate of OUT2/3 and

OUT7-OUT10

VS = 13.5 V

Iload = -0.8 A

0.09

0.2

0.4

V/µs

dVOUT45/dt Slew rate of OUT4, OUT5

VS = 13.5 V

Iload = ±3.0 A

0.1

0.2

0.4

V/µs

dVOUT11/dt Slew rate of OUT11

VS = 13.5 V

Iload = 3.0 A

0.1

0.2

0.4

V/µs

Table 11.

OUT1 - OUT11 (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max. Unit

Table 12.

Delay time from standby to active mode

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

tset

Delay time

Switching from standby to active mode.

Time until output drivers are enabled

after CSN going to high.

160

300

µs

Table 13.

Inputs: CSN, CLK, PWM1/2 and DI

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VinL

Input low level

VCC = 5 V

1.5

2.0

VinH

Input high level

VCC = 5 V

3.0

3.5

VinHyst

Input hysteresis

VCC = 5 V

0.5

ICSN in

Pull up current at input CSN

VCSN = 3.5 V VCC = 5 V

-40

-20

-8

µA

ICLK in

Pull down current at input CLK

VCLK = 1.5 V

µA

IDI in

Pull down current at input DI

VDI = 1.5 V

µA

IPWM1 in

Pull down current at input

PWM1

VPWM = 1.5 V

µA

Cin

Input capacitance at input

CSN, CLK, DI and PWM1/2

VCC = 0 to 5.3 V

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