ZOWIE MMBD2838 Datasheet

Zowie Technology Corporation

Monolithic Dual Switching Diode

3

CATHODE

MMBD2838

1

2

SOT-23

3

MAXIMUM RATINGS

Rating

Symbol

Peak Reverse Voltage VRM 75 Vdc
D.C Reverse Voltage VR 50 Vdc

Peak Forward Current IFM

Average Rectified Current IO

Value

450
300

150
100

mAdc

mAdc

THERMAL CHARACTERISTICS

Characteristic

Total Device Dissipation FR-5 Board

(1)

TA=25oC

Derate above 25oC
Thermal Resistance, Junction to Ambient 556
Total Device Dissipation Alumina Substrate,

(2)

TA=25oC

Derate above 25oC
Thermal Resistance, Junction to Ambient 417

Symbol

PD

R

JA

PD

JA

Junction and Storage Temperature

Max.

225

1.8

300

2.4

-55 to +150

mW / oC

o

mW / oC

o

ANODE

ANODE

Unit

Unit
mW

C / W

mW

C / WR

o

CTJ,TSTG

1

2

DEVICE MARKING

MMBD2838=MA6

ELECTRICAL CHARACTERISTICS (TA=25oC unless otherwise noted) (EACH DIODE)

Characteristic

Symbol Min.

OFF CHARACTERISTICS

Reverse Breakdown Voltage
( IBR=100 uAdc )

( IF=10 mAdc )

Forward Voltage

( IF=50 mAdc )
( IF=100 mAdc )

Diode Capacitance
( VR=0, f=1.0MHZ )

Reverse Recovery Time
( IF=IR=10 mAdc, IR(REC=1.0mAdc, measured at IR=1.0mA RL=100 )

(1) FR-5=1.0 x 0.75 x 0.062in.
(2) Alumina=0.4 x 0.3 x 0.024in. 99.5% alumina.

V(BR) 75 - Vdc

-

VF

-

-

-

IR

-

CJ - 4.0 pF

trr - 4.0 nS

Max.

1000
1000
1200

0.1

Unit

mVdc

uAdcReverse Voltage Leakage Current ( VR=50 Vdc )

Zowie Technology CorporationREV. : 0

Zowie Technology Corporation

FIGURE 1. RECOVERY TIME EQUIVALENT TEST CIRCUIT

820

+10 V

0.1uF

2 k

100uH

IF

0.1uF

MMBD2838

I

t

t

r

T

p

10%

F

t

rr

T

50 OUTPUT
GENERATOR

100

10

1.0

IF, FORWARD CURRENT ( mA )

0.1

0.2 0.4

PULSE

D.U.T.

50 INPUT
SAMPLING

OSCILLOSCOPE

V

R

90%

INPUT SIGNAL

I

R

OUTPUT PULSE

(I

= IR = 10 mA; measured

F

at i

Notes:1. A 2.0k variable resistor adjusted for a Forward Current (IF) of 10mA.
 2. Input pulse is adjusted so I
 3. tp » t

rr

R(peak)

is equal to 10mA.

FIGURE 2. FORWARD VOLTAGE FIGURE 3. LEAKAGE CURRENT

TA=85oC

TA= -40oC

TA=25oC

0.6 0.8

VF, FORWARD VOLTAGE ( VOLTS )

1.0

1.2

, REVERSE CURRENT ( uA )

R

I

10

1.0

0.1

0.01

0.001
0

10

VR, REVERSE VOLTAGE ( VOLTS )

TA=150oC

TA=125oC

TA=85oC

TA=55oC

TA=25oC

20

30 40

i

R(REC)

R(REC)

= 1mA

= 1mA

50

REV. : 0

FIGURE 4. CAPACITANCE

1.0

0.9

0.8

0.7

DIODE CAPACITANCE ( pF )

0.6
0 2 4 6 8

VR, REVERSE VOLTAGE ( VOLTS )

Zowie Technology Corporation