L6598 datasheet(2/17 Pages) STMICROELECTRONICS

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L6598

2/17

Figure 3. Pin Connection

Table 2. Thermal Data

Table 3. Pin Function

Symbol

Parameter

SO16N

DIP16

Unit

Rth j-amb

Thermal Resistance Junction to Ambient

120

°C/W

Name

Function

1CSS

Soft Start Timing Capacitor

2Rfstart

Soft Start Frequency Setting - Low Impedance Voltage Source - See also Cf

3Cf

Oscillator Frequency Setting - see also Rfmin, Rfstart

4Rfmin

Minimum Oscillation Frequency Setting - Low Impedance Voltage Source - See also Cf

5OPout

Sense OP AMP Output - Low Impedance

6OPon-

Sense Op Amp Inverting Input - High Impedance

7OPon+

Sense Op Amp Non Inverting Input - High Impedance

EN1

Half Bridge Latched Enable

EN2

Half Bridge Unlatched Enable

GND

Ground

LVG

Low Side Driver Output

Supply Volatge with Internal Zener Clamp

N.C.

Not Connected

OUT

High Side Driver Reference

HVG

High Side Driver Output

Vboot

Bootstrapped Supply Voltage

Css

Rfstart

Rfmin

OPOUT

OPIN+

OPIN-

GND

LVG

N.C.

OUT

HVG

VBOOT

EN1

EN2

D98IN888

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