L99DZ320 datasheet(18/146 Pages) STMICROELECTRONICS

18 / 146 page

Figure 5. Watchdog early, late and safe windows

safe trigger area

TEFWn_max

TSWn_min

TLFWn_ min

Early

watchdog

failure

undefined

TSWn_ max

Late

watchdog

failure

undefined

TSWn = Safe window #1..2

TEFWn = Early failure window #1..2

TLFWn = Late failure window #1..2

2.4.8

Current monitor output

The voltages are referred to ground, and currents are assumed positive, when the current flows into the pin.

6 V < VS < 28 V, 6 V < VSREG < 28 V, TJ = -40 °C to 150 °C, unless otherwise specified.

Table 14. Current monitor output

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Item

VCM

Functional voltage range

V1-1V

A.040

ICMr

Current monitor output ratio:

ICM/IHB6

0V ≤ VCM ≤ V1-1V

1/9750

A.041

ICM/IHS7 (low on-resistance)

1/10000

A.191

ICM/IHB4

1/9920

A.042

ICM/IHB5

1/10300

A.192

ICM/IHS7 (high on-resistance)

1/2000

A.043

ICM/IHS8,HS9

1/1010

A.045

ICM/IHS11,HS12,HS13,HS14

1/990

A.194

ICM/IHS15, HS0

1/1000

A.195

ICM acc

Current monitor accuracy for

HB4, .., HB6, HS7, .., HS9

Ranges extracted at the output:

IHB4min = 500 mA, IHB4max = 5.9 A

-8% IHS

*ICMr_typ - 2%

FS (1)

8% IHS

*ICMr_typ + 2%

FS(1)

A.046

IHB5min = 500 mA, IHB5max = 7.4 A,

IHB6min = 500 mA, IHB6max = 2.9 A

L99DZ320

Electrical specifications

DS14235 - Rev 5

page 18/146

L99DZ320 データシート(PDF) 18 Page - STMicroelectronics

L99DZ320 データシート(HTML) 18 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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

データシートダウンロード