SRK2001 datasheet(8/22 Pages) STMICROELECTRONICS

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Electrical characteristics

SRK2001

8/22

DocID027367 Rev 3

DON

Restart duty cycle from

sleep mode with

REN = 180 k 1%

RPG = 0 

RPG = 100 k 1%

RPG = 180 k 1%

RPG open

Burst mode exiting programming

DON_BM

Restart duty cycle with EN

pin open at startup during

primary burst mode

operation

RPG = 0 

RPG = 100 k 1%

RPG = 180 k 1%

RPG open

IPROG

Sourced current

(1)At VCC startup

µA

Gate drivers

Isource_pk

Output source peak current

See(3)

-0.35

Isink_pk_ZCD

Max. output sink peak

current

ZCD comparator triggered turn-off (3)

Rise time

140

Fall time (OFF comparator)

OFF comparator triggered turn-off

tf_ZCD

Fall time (ZCD comparator)

ZCD comparator triggered turn-off

VGDclamp

Output clamp voltage

IGD = -5 mA; VCC = 20 V; SRK2001/TR

IGD = -5 mA; VCC = 20 V; SRK2001L/LTR

5.5

VGDL_UVLO UVLO saturation

VCC = 0 to VCC_On, Isink = 5 mA

1.3

1. Parameters tracking each other.

2. The low consumption mode is one of the following: the automatic sleep mode, converter burst mode detect or the EN pin

pulled low.

3. Parameter guaranteed by design.

Table 5. Electrical characteristics (Tj = -25 to 125 °C, VCC = 12 V, CGD1 = CGD2 = 4.7 nF,

REN = 100 k; RPG = 0 ; unless otherwise specified; typical values refer to Tj = 25 °C) (continued)

Symbol

Parameter

Test condition

Min. Typ. Max. Unit

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