LD5537

09/07/2015

7

Leadtrend Technology Corporation

www.leadtrend.com.tw

LD5537-DS-01 September 2015

PARAMETER

CONDITIONS

Symbol

MIN

TYP

MAX

UNITS

Gate Drive Output (OUT Pin)

Output Low Level

VCC=15V, IO=20mA

VO_L

1

V

Output High Level

VCC=15V, IO=20mA

VO_H

8

15

V

Output High Clamp Level

VCC=20V

VO_HC

13

15

17

V

Rising Time

Load

Capacitance=1000pF

Tr

--

150

250

ns

Falling Time

Load

Capacitance=1000pF

Tf

50

100

ns

Source capability

*, Load Capacitance=33nF

IO_SOURCE

300

mA

Sink capability

*, Load Capacitance=33nF

IO_SINK

500

mA

Max. Duty

DMAX

80

85

90

%

OPP (Over Power Protection)

OPP Trip Level

VCOMP_OPP

4.5

4.7

4.9

V

OPP Delay Time

Excluding soft start time

TD_OPP

35

40

45

ms

OCP (Over Current Protection)

OCP Delay Time

TD_OCP

100

110

120

ms

OSCP (Output Short Circuit Protection)

OSCP Trip Level

VOSCP

0.735

0.75

0.765

V

OSCP Delay Time

Excluding soft start time.

TD_OSCP

6

8

10

Cycle

Brownout Protection (BNO Pin)

Brownout Turn-On Trip Level

VCC>12.5V

VBNI

1.40

V

Brownout Turn-Off Trip Level

VBNO

1.3

V

BNO Pin De-bounce Time

TD_BNO

40

45

50

ms

On Chip OTP (Over Temperature)

OTP Level

(2)

TOTP

140

C

OTP Hysteresis

(2)

TH_OTP

30

C

Soft Start Duration

Soft Start Duration

*

TSS

7

ms

Notes:

1.

* : guaranteed by design

2. The threshold temperature for enabling the output again and resetting the latch after OTP has been activated.