L9780 datasheet(43/56 Pages) STMICROELECTRONICS

43 / 56 page

DocID026356 Rev 3

43/56

L9780

Electrical characteristics

7.1

DC characteristics

VCCD = VCCA = VCCCP = 4.9 V to 5.1 V, VCCI = 3.14 V to VCCD, Rbg = 12.1 k ±1%,

Tamb =-40°C to 125/150°C; unless otherwise specified.

Table 9. Supplies and control inputs

Parameter

Conditions

Min.

Max.

Unit

Power supplies

VCCA + VCCD + VCCCP current

VCCS disabled

VCCS enabled, full load

VESD pin leakage current

VESD voltage = 14.7V; Tj = 85 °C

μA

VESD voltage = 40 V

μA

Negative supply voltage (CP pin)

CP current = 18 mA;

OUT, TG current = 0 mA

-VCCCP

-4.3

Interface logic level supply current

consumption (VCCI pin)

SO pin current = -800 μA

POR (power on reset)

VCCA POR threshold

Release reset above this voltage

4.6

Issue reset below this voltage

4.1

4.45

VCCA POR hysteresis

100

300

VCCD, VCCCP POR threshold

Release reset above this voltage

3.82

4.22

Issue reset below this voltage

3.58

3.98

VCCD + VCCCP POR hysteresis -

140

440

GNDD, GNDCP loss detection

Referred to GNDA

175

225

VCCA loss detection

VCCD - VCCA

165

215

GNDA loss detection

GNDA - GNDD

165

215

Current reference

Reference pin voltage (BG pin)

1.178

1.252

Logic levels (SI, CLK, CSN, PW, SY pins)

Input high voltage

0.7

VCCI

Input low voltage

0.3

Input hysteresis

0.1

SI, CLK input leakage current

Vin = VCCI

μA

Vin = from 0V to input low voltage max

-1

Input pull-up current (CSN, PW

pins)

Vin = from GNDA to input high voltage

min

-50

-10

Input pull-down current (SY pin)

Vin = from input low voltage min to VCCI

L9780 数据表(PDF) 43 Page - STMicroelectronics

L9780 数据表(HTML) 43 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56

数据表下载