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L5996

5 BIT DYNAMIC DAC CONTROLLER FOR MOBILE CPU

STMicroelectronics 

L5996

ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

Test Conditions

PROTECTION FUNCTIONS

V8-V7 Over-Current Threshold

VSSTART = 3.1V

•

Voltage

Pulse Skipping Mode

Threshold Voltage

NOSKIP = HIGH

Zero Crossing Threshold

Under-Voltage Threshold

Upper Over-Voltage Threshold

Lower Over-Voltage Threshold

Over-Voltage Propagation

Time

Under-Voltage Propagation

Time

SOFT START

Soft start source current

Soft start clamp voltage

OSCILLATOR AND SYNC

fosc Fixed frequency

OSC =0V; FREQ = REG5

•

OSC = REG5 FREQ = REG5 •

f SINK MIN Minimum Synchronizzable

external frequency

FREQ = REG5

OSC = EXTERNAL SIGNAL

Sync pulse width

Rising edge mode

Sync pulse amplitude

fosc Operating switching frequency Rext connected between

•

FREQ and GND, OSC

connect to REG5 or GND

Rext = 680kΩ

Rext = 40kΩ

HIGH AND LOW SIDE GATE DRIVERS

IOH5 Output high source peak

current

HSTRAP = RSTRAP = REG5

RH5 Output high sink impedance Itest = 100mA,

HSTRAP = RSTRAP = REG5

IOH12 Output high source peak

current

HSTRAP = RSTRAP = 12V

RH12 Output high sink impedance Itest = 100mA,

HSTRAP - RSTRAP = 12V

IOL5 Output low peak current

RL5 Output low impedance

HSTRAP = RSTRAP = 5V

Itest = 100mA,

HSTRAP = RSTRAP = 5V

IOL12

RL12

Output low peak current

Output low Impedance

HSTRAP = RSTRAP = 12V

Itest = 100mA,

HSTRAP = RSTRAP = 12V

TCC Dead Time

GATE low to high

Min.

48

7

-4

Vprog

-13%

Vprog

+7%

3.2

225

180

200

3

60

Typ.

60

11

Vprog

-10%

Vprog

+10%

Vprog

-4.5%

4

3.1

250

200

550

3.5

2

2

500

3

2

2

Max.

72

15

+4

Vprog

-7%

Vprog

+13%

1.5

1.5

4.8

275

220

120

5.5

100

1

Unit

mV

mV

mV

V

V

V

µs

µs

µA

V

KHz

KHz

KHz

ns

V

kHz

MHz

mA

Ω

A

Ω

mA

Ω

A

Ω

ns

4/9

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