L6598D データシートの表示（PDF） - STMicroelectronics

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L6598D

HIGH VOLTAGE RESONANT CONTROLLER

STMicroelectronics 

Table 6. Electrical Characteristcs (continued)

(VS = 12V; VBOOT - VOUT = 12V; Tamb = 25°C)

Symbol Pin

Parameter

GBW

Sense Op Amp Gain Band

Width Product (*)

Gdc

DC Open Loop Gain

COMPARATORS

Vthe1

8 Enabling Comparator Threshold

Vthe2

9 Enabling Comparator Threshold

tpulse 8,9 Minimum Pulse lenght

(*) Guaranted by design

Figure 4. EN2 Timing Diagrams

Test Condition

VS

L6598

Min.

0.5

Typ.

1

Max.

Unit

MHz

60

80

dB

0.56 0.6 0.64

V

1.05 1.2 1.35

V

200

ns

fOUT

fstart

fmin

EN2

VCss

TSS

Figure 5. EN1 Timing Diagrams

HVG

LVG

EN1

EN2

TSS

D98IN889

D98IN890

5/17

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