SABRE-LL-I datasheet(37/141 Pages) STMICROELECTRONICS

номер детали	SABRE-LL-I

подробное описание детали	Combo motor driver

PDF	141 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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SABRE-LL-I

Linear main regulator

37/141

IoutLinMax

Maximum Output

current

Regulated voltage =

Vsupply-2V

Ishort

Output short

circuit current

VLINmain_OUT =0V,

VLINmain_FB =0V

∆V

out/Vo

Load regulation

≤ I

load ≤ IoutLinMax

(2)

0.8

∆V

out/∆VSupply

Line regulation

Iload =10mA

(2)

0.2

Vloop_acc

Loop voltage accuracy

±2.5

VuvFall

Under voltage

falling threshold

(3)

84.5

89.5

VuvRise

Under voltage

rising threshold

(3)

90.5

95.5

Vuvhys

Under voltage

hysteresis

(3)

tprim_uv

Under voltage

deglitch filter

5us

Compensation

capacitance

VLINmain_OUT =0.8V

0.8V<VLINmain_OUT < 2.5V

2.5V=VLINmain_OUT ≤ 5V

VLINmain_OUT > 5V

0.68

0.33

0.1

µF

The external components connected to the pin must be chosen to avoid that the voltage exceeds this

operative range.

Load regulation is calculated at a fixed junction temperature using short load pulses covering all the load

current range. This is to avoid change on output voltage due to heating effect.

Undervoltage rising and falling thresholds are intended as a percentage of feedback pin voltage

(VLINmain_Ref).

Table 17.

System linear regulator operating specifications (continued)

Parameter

Description

Test condition

Min

Typ

Max

Unit

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