L99DZ320 datasheet(19/146 Pages) STMICROELECTRONICS

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Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Item

ICM acc

Current monitor accuracy for

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

IHS8,HS9min = 100 mA,

IHS8,HS9max = 0.3 A

-8% IHS

*ICMr_typ - 2%

FS (1)

8% IHS

*ICMr_typ + 2%

FS(1)

A.046

IHS7(High on-resistance),

IHSmin = 100 mA, IHSmax = 300 mA

IHS7(Low on-resistance),

IHSmin = 500 mA, IHSmax = 1.4 A

Current monitor accuracy for

HS11, .., HS15, HS0

IHS11,HS12,HS13,HS14,HS15 and HS0 ,

IHSmin = 100 mA, IHSmax = 0.13 A

-8% IHS

*ICMr_typ - 4%

FS(1)

8% IHS

*ICMr_typ + 4%

FS(1)

A.047

tcmb(2)

Current monitor setting time

µs

A.051

1. FS (full scale) = IHB(HS)max * ICMr_typ.

2. Parameter is specified by design, not tested in production.

2.4.9

Charge pump

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

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

Table 15. Charge pump

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Items

VCP

Charge pump output voltage

VS = 6 V, ICP = -15 mA

VS + 6

VS + 7

A.052

VS ≥ 10 V, ICP = -15 mA

VS + 11

VS + 12

VS + 13.5

A.053

ICP

Charge pump output current(1)

VCP = VS + 10 V; VS = 13.5 V;

C1 = C2 = CCP = 100 nF

A.054

ICPlim

Charge pump output current limitation(2)

VCP = VS; VS = 13.5 V;

C1 = C2 = CCP = 100 nF

A.055

VCP_low Charge pump low threshold voltage

VS + 4.5

VS + 5

VS + 5.5

A.056

TCP

Charge pump low filter time

Tested by scan

µs

A.057

tset,CP

Charge pump startup blanking time

Tested by scan

358

576

692

µs

A.183

fCP

Charge pump frequency

Tested by scan

400

kHz

A.058

1. ICP is the minimum current the device can provide to an external circuit without VCP going below VS + 10 V.

2. ICPlim is the maximum current, which flows out of the device in case of a short to VS.

L99DZ320

Electrical specifications

DS14235 - Rev 5

page 19/146

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