L6598 Просмотр технического описания (PDF) - STMicroelectronics

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L6598

HIGH VOLTAGE RESONANT CONTROLLER

STMicroelectronics 

L6598

Table 6. Electrical Characteristcs

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

Symbol Pin

Parameter

Test Condition

SUPPLY VOLTAGE

Vsuvp

12 VS Turn On Threshold

Vsuvn

VS Turn Off Threshold

Vsuvh

Supply Voltage Under Voltage

hysteresis

Vcl

Supply Voltage Clamping

Isu

Start Up Current

Vs < Vsuvn

Iq

Quiescent Current, fout =

Vs > Vsuvp

60kHz, no load

HIGH VOLTAGE SECTION

Ibootleak 16 BOOT pin Leakage Current

VBOOT = 580V

Ioutleak 14 OUT pin Leakage Current

VOUT = 562V

Rdon

16 Bootstrap Driver On Resistance

HIGH/LOW SIDE DRIVERS

Ihvgso

15 High Side Driver Source Current VHVG-VOUT = 0

Ihvgsi

High Side Driver Sink Current VHVG-VBOOT = 0

Ilvgso

11 Low Side Driver Source Current VLVG-GND = 0

Ilvgsi

Low Side Driver Sink Current VLVG - VS = 0

trise 15,11 Low/High Side Output Rise

Time

Cload = 1nF

tfall

Cload = 1nF

OSCILLATOR

DC

14 Output Duty Cycle

fmin

Minimum Output Oscillation

Cf = 470pF; Rfmin = 50k

Frequency

fstart

Soft Start Output Oscillation

Cf = 470pF; Rfmin = 50k;

Frequency

Rfstart = 47k

Vref

2, 4 Voltage to Current Converters

Threshold

td

14 Dead Time between Low and

High Side Conduction

TIMING SECTION

kss

1 Soft Start Timing constant

Css = 330nF

SENSE OP AMP

lIB

6, 7 Input Bias Current

Vio

Input Offset Voltage

Rout

5 Output Resistance

Iout-

Source Output Current

Vout = 4.5V

Iout+

Sink Output Current

Vout = 0.2V

Vic

6,7 OP AMP input common mode

range

Min. Typ. Max. Unit

10 10.7 11.4

V

7.3

8

8.7

V

2.7

V

14.6 15.6 16.6

V

250

µA

2

3

mA

5

µA

5

µA

100 150 300

Ω

170 250

mA

300 450

mA

170 250

mA

300 450

mA

80

120

ns

40

80

ns

48

50

52

%

58.2 60 61.8 kHz

114 120 126 kHz

1.9

2

2.1

V

0.2 0.27 0.35

µs

0.115 0.15 0.185 s/µF

0.1

µA

-10

10

mV

200

300

Ω

1

mA

1

mA

-0.2

3

V

4/17

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