SRK2000DTR(2012) データシートの表示（PDF） - STMicroelectronics

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SRK2000DTR
(Rev.:2012)

Synchronous rectifier smart driver for LLC resonant converters

STMicroelectronics 

Electrical characteristics

4

Electrical characteristics

SRK2000

TJ = -25 to 125 °C, VCC = 12 V, CGD1 = CGD2 = 4.7 nF, EN = VCC; unless otherwise

specified; typical values refer to TJ = 25 °C.

Table 5. Electrical characteristics

Symbol

Parameter

Test condition

Min. Typ. Max. Unit

Supply voltage

VCC

VCCOn

VCCOff

Hys

Operating range

Turn-on threshold

Turn-off threshold

Hysteresis

VccZ Zener voltage

Supply current

After turn-on

(1)

(1)

IccZ = 20 mA

Istart-up

Iq

ICC

Iq

Startup current

Quiescent current

Operating supply current

Quiescent current

Before turn-on, Vcc = 4 V

After turn-on

@ 300 kHz

EN = SGND

Drain sensing inputs and synch functions

VDVS1,2_H Upper clamp voltage

IDVS1,2_b Input bias current

Arming voltage

VDVS1,2_A (positive-going edge)

Pre-triggering voltage

VDVS1,2_PT (negative-going edge)

VDVS1,2_TH Turn-on threshold

IDVS1,2_On Turn-on source current

Turn-off threshold

VDVS1,2_Off (positive-going edge)

TPD_On

TPD_Off

TON_min

DOFF

DON

Turn-on debounce delay

Turn-off propagation delay

Minimum on-time

Min. operating duty-cycle

Restart duty-cycle

Gate-drive enable function

VEN_On

Hyst

Enable threshold

Hysteresis

IDVS1,2 = 20 mA

VDVS1,2 = 0 to Vcc (2)

VDVS1,2 = -250 mV

R = 680 kΩ from EN to Vcc

R = 270 kΩ from EN to Vcc

After sourcing IDS1,2_On

After crossing VDS1,2_Off

Positive-going edge (1)

Below VEN_On

4.5

32 V

4.25 4.5 4.75 V

4 4.25 4.5 V

0.25

V

33 36 39 V

45 70 µA

250 500 µA

35

mA

150 250 µA

VccZ

V

-1

1 µA

1.4

V

0.7

V

-250 -200 -180

-50

µA

-18 -25 -32

mV

-9 -12.5 -16

250

ns

60 ns

150

ns

40

%

60

%

1.7 1.8 1.9 V

45

mV

6/17

Doc ID 17811 Rev 2

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