KB2512 Ver la hoja de datos (PDF) - Samsung

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KB2512

DEFLECTION PROCESSOR FOR MULTISYNC MONITORS

Samsung 

KB2512

DEFLECTION PROCESSOR FOR MULTISYNC MONITORS

B+ SECTION

OPERATING CONDITIONS

Parameter

Minimum feedback resistor

Table 12. B+ Section Operating Conditions

Symbol

Conditions

Min

FeedRes Resistor between pins 15 and 14 5

Typ Max Unit

KΩ

ELECTRICAL CHARACTERISTICS

(VCC = 12V, Tamb = 25 °C)

Table 13. B+ Section Electrical Characteristics

Parameter

Symbol

Conditions

Min Typ Max Unit

Error amplifier open loop gain

OLG At low frequency (see 10)

85

dB

Sunk current on error amplifier output

when BOUT is in safety condition

Icomp Pin 14 (see 12)

0.5

mA

Unity gain band width

UGBW (see 7)

6

MHz

Regulation input bias current

IRI

Current sourced by pin 15

0.2

µA

(PNP base)

Maximum guaranteed error amplifier

output current

EAOI

Current sourced by pin 14

Current sunk by pin 14

0.5 mA

2 mA

Current sense input voltage gain

CSG Pin 16

3

Max current sense input threshold

voltage

MCEth Pin 16

1.2

V

Current sense input bias current

ISI

Current sourced by pin 16

1

µA

(PNP base)

Maximum external power transistor on

time

Tonmax % of H-period

@ fo = 27kHz (see 6)

100

%

B+ output saturation voltage

B+OSV V28 with I28 = 10mA

0.25

V

Internal reference voltage

IVREF On error amp positive input

4.8

V

for subaddress 0B

Byte 1000000

Internal reference voltage adjustment

range

VREFADJ Byte 111111

Byte 000000

+20

%

-20

%

Falling time

tFB+

Pin 28

100

ns

15

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