Silan

Microelectronics

SD6834_Datasheet

Characteristics

Symbol

Rating

Unit

Storage Temperature Range

TSTG

-55~+150

°C

Note: 1. Pulse width is limited by maximum junction temperature;

2. L=51mH, TJ=25°C(start).

ELECTRICAL CHARACTERISTICS (for MOSFET,unless otherwise specified, Tamb=25

°C)

Characteristics

Symbol

Test conditions

Min.

Typ.

Max.

Unit

Drain-Source Breakdown Voltage

BVDSS

VGS=0V, ID=50µA

650

--

--

V

Zero Gate Voltage Drain Current

IDSS

VDS=650V, VGS=0V

--

--

50

µA

VDS=480V, VGS=0V Tamb=125°C

--

--

200

µA

Static Drain-Source On Resistance

RDS(ON)

VGS=10V, ID=0.5A

2.3

3.4

4.5

Ω

VGS=10V, ID=1.25A

2.5

3.6

4.7

Ω

Input Capacitance

CISS

VGS=0V, VDS=25V, f=1MHz

224

320

416

pF

Output Capacitance

COSS

VGS=0V, VDS=25V, f=1MHz

28

41

54

pF

Reverse Transfer Capacitance

CRSS

VGS=0V, VDS=25V, f=1MHz

0.9

1.3

1.7

pF

Turn On Delay Time

TD(ON)

VDD=0.5BVDSS , ID=25mA

9.1

13

16.9

ns

Rise Time

TR

VDD=0.5BVDSS , ID=25mA

21.7

31

40.3

ns

Turn Off Delay Time

TD(OFF)

VDD=0.5BVDSS , ID=25mA

12.6

18

23.4

ns

Fall Time

TF

VDD=0.5BVDSS , ID=25mA

14

20

26

ns

ELECTRICAL CHARACTERISTICS (unless otherwise specified, V

CC=12V, Tamb=25°C)

Characteristics

Symbol

Test conditions

Min.

Typ.

Max.

Unit

Undervoltage Section

Start Threshold Voltage

VSTART

14.5

15.5

17.0

V

Stop Threshold Voltage

VSTOP

7.5

8.3

9.5

V

Oscillator Section

Max. Oscillate Frequency

fOSCMAX

VFB=3V

61

67

73

KHz

Min. Oscillate Frequency

fOSCMIN

VBURL<VFB<VBURHs

20

25

30

KHz

Frequency jitter

fMOD

Oscillate frequency is the maximum

±1.5

±2.5

±3.5

KHz

Frequency Change

With Temperature

--

25

°

C≤Tamb≤+85°C

--

±5

±10

%

Maximum Duty cycle

DMAX

72

77

82

%

Feedback Section

MAX. Feedback Source Current

IFBMAX

VFB=0V

0.7

0.9

1.1

mA

Shutdown Feedback Voltage

(over load protection)

VSD

3.8

4.3

4.8

V

Shutdown Feedback Delay Time

TSD

FB is increased to 5V from 0V

instantly

15

27

40

ms

Shutdown Delay Current

IDELAY

VFB=5V

3

5.5

8

µA

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Rev.:1.5

http: //www.silan.com.cn

Page 3 of 10