L6564T datasheet(10/33 Pages) STMICROELECTRONICS

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Electrical characteristics

L6564T

10/33

Doc ID 022671 Rev 1

Gain-bandwidth product

MHz

ICOMP

Source current

VCOMP = 4 V, VINV = 2.4 V

1.5

Sink current

VCOMP = 4 V, VINV = 2.6 V

4.5

VCOMP

Upper clamp voltage

ISOURCE = 0.5 mA

5.7

6.2

6.7

Burst-mode voltage

(3)

2.3

2.4

2.5

Lower clamp voltage

ISINK = 0.5 mA

(3)

2.1

2.25

2.4

Boost inductor saturation detector

VCS_th

Threshold on current sense

(3)

1.6

1.7

1.8

IINV

E/A input pull-up current

After VCS > VCS_th, before restarting

µA

Startup timer

tSTART_DEL Startup delay

First cycle after wake-up

100

µs

tSTART

Timer period

150

350

µs

Restart after VCS > VCS_th

150

300

700

Current sense comparator

ICS

Input bias current

VCS = 0

µA

tLEB

Leading edge blanking

150

300

td(H-L)

Delay to output

200

350

VCSclamp

Current sense reference clamp

VCOMP = upper clamp,

VMULT =1 V, VVFF = 1 V

0.97

1.08

1.2

Vcsofst

Current sense offset

VMULT = 0 V, VVFF = 3 V

VMULT = 3 V, VVFF = 3 V

PFC_OK functions

IPFC_OK

Input bias current

VPFC_OK = 0 to 2.6 V

-0.1

-1

µA

VPFC_OK_C Clamp voltage

IPFC_OK = 1 mA

8.5

9.5

VPFC_OK_S OVP threshold

(1) Voltage rising

2.435

2.5

2.565

VPFC_OK_R Restart threshold after OVP

(1) Voltage falling

2.34

2.4

2.46

VPFC_OK_D Disable threshold

(1) Voltage falling

0.08

0.40

VPFC_OK_D Disable threshold

(1) Voltage falling Tj = 25 °C

0.17

0.23

0.29

VPFC_OK_E Enable threshold

(1) Voltage rising

0.10

0.43

VPFC_OK_E Enable threshold

(1) Voltage rising Tj = 25 °C

0.21

0.27

0.32

VFFD

Feedback failure detection

threshold (VINV falling)

VPFC_OK = VPFC_OK_S

1.61

1.66

1.71

Table 4.

Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ. Max. Unit

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