SRK2000DTR(2012) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

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SRK2000DTR
(Rev.:2012)

Synchronous rectifier smart driver for LLC resonant converters

STMicroelectronics 

SRK2000

Electrical characteristics

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min. Typ. Max. Unit

IEN

Bias current

Turn-off threshold selection

VEN = VEN_On

1 µA

VEN-Th

IEN

Selection threshold

Pull-down current

Gate drivers

VCC = VCCOn

0.32 0.36 0.40 V

VEN = VEN_Th, VCC = VCCOn 7

10 13 µA

IGDsource = 5 mA

11.75 11.9

VGDH Output high voltage

V

IGDsource = 5 mA, Vcc = 5 V 4.75 4.9

IGDsink = 200 mA

0.2

VGDL Output low voltage

V

IGDsink = 200 mA, Vcc = 5 V

0.2

Isourcepk Output source peak current

-1

A

Isinkpk Output sink peak current

3.5

A

tf

Fall time

18

ns

tr

Rise time

40

ns

VGDclamp Output clamp voltage

IGDsource = 5 mA; Vcc = 20 V 12

13

15

V

VGDL_UVLO UVLO saturation

Vcc = 0 to VCCon

Isink = 5 mA

1 1.3 V

1. Parameters tracking each other.

2. For Vcc>30 V IDVS1,2_b may be greater than 1 µA because of the possible current contribution of the

internal clamp Zener (few tens of µA).

Doc ID 17811 Rev 2

7/17

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