Philips Semiconductors

Product specification

TrenchMOS transistor Standard level FET GENERAL DESCRIPTION N-channel enhancement mode logic level field-effect power transistor in a plastic envelope suitable for surface mounting. Using ’trench’ technology the device features very low on-state resistance and has integral zener diodes giving ESD protection. It is intended for use in automotive and general purpose switching applications.

PINNING - SOT223 PIN

BUK7840-55

QUICK REFERENCE DATA SYMBOL

PARAMETER

MAX.

UNIT

VDS ID Ptot Tj RDS(ON)

Drain-source voltage Drain current Total power dissipation Junction temperature Drain-source on-state resistance VGS = 10 V

55 10.7 1.8 150 40

V A W ˚C mΩ

PIN CONFIGURATION

SYMBOL

DESCRIPTION

d

4

1

gate

2

drain

3

source

4

drain (tab)

g

2

1

s

3

LIMITING VALUES Limiting values in accordance with the Absolute Maximum System (IEC 134) SYMBOL

PARAMETER

CONDITIONS

VDS VDGR ±VGS ID ID

Drain-source voltage Drain-gate voltage Gate-source voltage Drain current (DC) Drain current (DC)

ID

Drain current (DC)

IDM Ptot Ptot

Drain current (pulse peak value) Total power dissipation Total power dissipation

Tstg, Tj

Storage & operating temperature

RGS = 20 kΩ Tsp = 25 ˚C On PCB in Fig.19 Tamb = 25 ˚C On PCB in Fig.19 Tamb = 100 ˚C Tsp = 25 ˚C Tsp = 25 ˚C On PCB in Fig.19 Tamb = 25 ˚C -

MIN.

MAX.

UNIT

-

55 55 16 10.7 5

V V V A A

-

3.1

A

-

40 10.7 1.8

A W W

- 55

150

˚C

MIN.

MAX.

UNIT

-

2

kV

ESD LIMITING VALUE SYMBOL

PARAMETER

CONDITIONS

VC

Electrostatic discharge capacitor voltage

Human body model (100 pF, 1.5 kΩ)

January 1998

1

Rev 1.000

Philips Semiconductors

Product specification

TrenchMOS transistor Standard level FET

BUK7840-55

THERMAL RESISTANCES SYMBOL

PARAMETER

CONDITIONS

Rth j-sp Rth j-amb

From junction to solder point From junction to ambient

Mounted on any PCB Mounted on PCB of Fig.18

TYP.

MAX.

UNIT

12 -

15 70

K/W K/W

STATIC CHARACTERISTICS Tj= 25˚C unless otherwise specified SYMBOL

PARAMETER

CONDITIONS

V(BR)DSS

Drain-source breakdown voltage Gate threshold voltage

VGS = 0 V; ID = 0.25 mA

VGS(TO)

Tj = -55˚C VDS = VGS; ID = 1 mA Tj = 150˚C Tj = -55˚C

IDSS

Zero gate voltage drain current

VDS = 55 V; VGS = 0 V;

IGSS

Gate source leakage current

VGS = ±10 V

±V(BR)GSS RDS(ON)

Gate source breakdown voltage IG = ±1 mA Drain-source on-state VGS = 10 V; ID = 5 A resistance

Tj = 150˚C Tj = 150˚C Tj = 150˚C

MIN.

TYP.

MAX.

UNIT

55 50 2.0 1.2 16 -

3.0 0.05 0.04 30 -

4.0 4.4 10 100 1 10 40 74

V V V V V µA µA µA µA V mΩ mΩ

MIN.

TYP.

MAX.

UNIT

DYNAMIC CHARACTERISTICS Tmb = 25˚C unless otherwise specified SYMBOL

PARAMETER

CONDITIONS

gfs

Forward transconductance

VDS = 25 V; ID = 5 A; Tj = 25˚C

3

12

-

S

Ciss Coss Crss

Input capacitance Output capacitance Feedback capacitance

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

-

700 200 100

880 240 140

pF pF pF

td on tr td off tf

Turn-on delay time Turn-on rise time Turn-off delay time Turn-off fall time

VDD = 30 V; ID = 9 A; VGS = 10 V; Rg = 10 Ω

-

15 50 33 20

23 75 50 30

ns ns ns ns

MIN.

TYP.

MAX.

UNIT

Tj = 25˚C

REVERSE DIODE LIMITING VALUES AND CHARACTERISTICS Tj = -55 to 175˚C unless otherwise specified SYMBOL

PARAMETER

CONDITIONS

IDR

Tsp = 25˚C

-

-

10.7

A

IDRM VSD

Continuous reverse drain current Pulsed reverse drain current Diode forward voltage

Tsp = 25˚C IF = 5 A; VGS = 0 V

-

0.85

40 1.1

A V

trr Qrr

Reverse recovery time Reverse recovery charge

IF = 5 A; -dIF/dt = 100 A/µs; VGS = -10 V; VR = 30 V

-

45 0.3

-

ns µC

January 1998

2

Rev 1.000

Philips Semiconductors

Product specification

TrenchMOS transistor Standard level FET

BUK7840-55

AVALANCHE LIMITING VALUE SYMBOL

PARAMETER

CONDITIONS

WDSS

Drain-source non-repetitive unclamped inductive turn-off energy

ID = 3.6 A; VDD ≤ 25 V; VGS = 10 V; RGS = 50 Ω; Tsp = 25 ˚C

120

MIN.

TYP.

MAX.

UNIT

-

-

60

mJ

Normalised Power Derating

PD%

BUKX840-55

100

110

ID/A

100 90

tp =

RDS(ON) = VDS/ID 10

80 70

1 us 10 us 100 us

60 50

1 ms

40

DC

10 ms

1

30 20 10

100 ms

0 0

20

40

60

80 100 Tmb / C

120

140

0.1 0.1

Fig.1. Normalised power dissipation. PD% = 100⋅PD/PD 25 ˚C = f(Tsp)

120

VDS/V

10

55

Fig.3. Safe operating area. Tsp = 25 ˚C ID & IDM = f(VDS); IDM single pulse; parameter tp

Normalised Current Derating

ID%

1

1E+02

Zth / (K/W)

BUK9840-55

110 3E+01

100 90

1E+01

0.5

80 70

3E+00

60 50

1E+00 3E-01

40 30

1E-01

20 10

3E-02

0.2 0.1 0.05 0.02

PD

p D= t T

tp

T

t

0

0 0

20

40

60

80 Tmb / C

100

120

1E-02 1E-07

140

Fig.2. Normalised continuous drain current. ID% = 100⋅ID/ID 25 ˚C = f(Tsp); conditions: VGS ≥ 10 V

January 1998

1E-05

1E-03 t/s

1E-01

1E+01

Fig.4. Transient thermal impedance. Zth j-sp = f(t); parameter D = tp/T

3

Rev 1.000

Philips Semiconductors

Product specification

TrenchMOS transistor Standard level FET

20

16

ID/A

BUK7840-55

VGS/V =

8.0 6.5

16 gfs/S

6.0

14

10

15

12 10

5.5

10

8 6

5.0

5 4

4.5 4.0

0

0

2

4

6

8

2

Fig.5. Typical output characteristics, Tj = 25 ˚C. ID = f(VDS); parameter VGS

80

Fig.8. Typical transconductance, Tj = 25 ˚C. gfs = f(ID); conditions: VDS = 25 V

RDS(ON)/mOhm VGS/V =

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ID/A

10

2.5

5.5

BUK98XX-55

a

Rds(on) normalised to 25degC

70 6 60

2

6.5

50

7

40

1.5

8 10

30

1

20 10 0

0

5

10

ID/A

15

20

0.5 -100

25

Fig.6. Typical on-state resistance, Tj = 25 ˚C. RDS(ON) = f(ID); parameter VGS

-50

0

50 Tmb / degC

100

150

200

Fig.9. Normalised drain-source on-state resistance. a = RDS(ON)/RDS(ON)25 ˚C = f(Tj); ID = 5 A; VGS = 10 V

20

5

ID/A

VGS(TO) / V

BUK78xx-55

max. 4

15

typ. 3 10

min. Tj/C =

150

2

25

5

0

1

0 -100 0

1

2

3 VGS/V 4

5

6

7

Fig.7. Typical transfer characteristics. ID = f(VGS) ; conditions: VDS = 25 V; parameter Tj

January 1998

-50

0

50 Tj / C

100

150

200

Fig.10. Gate threshold voltage. VGS(TO) = f(Tj); conditions: ID = 1 mA; VDS = VGS

4

Rev 1.000

Philips Semiconductors

Product specification

TrenchMOS transistor Standard level FET

BUK7840-55

20

Sub-Threshold Conduction

1E-01

IF/A

15

1E-02

Tj/C =

2%

1E-03

typ

150

25

98% 10

1E-04 5

1E-05

1E-06

0

0

1

2

3

4

5

Fig.11. Sub-threshold drain current. ID = f(VGS); conditions: Tj = 25 ˚C; VDS = VGS

0

0.2

0.4

0.6 0.8 VSDS/V

1

1.2

1.4

Fig.14. Typical reverse diode current. IF = f(VSDS); conditions: VGS = 0 V; parameter Tj

1.4

120 110

1.2

WDSS%

Thousands pF

100 90

1.0

80 70

0.8

60

Ciss

50

0.6

40 0.4

30 20

0.2

10

Coss Crss 0 0.01

0.1

1

VDS/V

10

0 20

40

100

Fig.12. Typical capacitances, Ciss, Coss, Crss. C = f(VDS); conditions: VGS = 0 V; f = 1 MHz

60

80 100 Tmb / C

120

140

Fig.15. Normalised avalanche energy rating. WDSS% = f(Tsp); conditions: ID = 3.6 A

12 VGS/V

VDD

+

10

L 8

VDS VDS = 14V

VGS

6

-ID/100 T.U.T.

0

4

RGS

2

0

-

VDS = 44V

0

5

10

QG/NC

15

20

Fig.16. Avalanche energy test circuit. WDSS = 0.5 ⋅ LID2 ⋅ BVDSS /(BVDSS − VDD )

Fig.13. Typical turn-on gate-charge characteristics. VGS = f(QG); conditions: ID = 9 A; parameter VDS

January 1998

R 01 shunt

5

Rev 1.000

Philips Semiconductors

Product specification

TrenchMOS transistor Standard level FET

BUK7840-55

+

VDD

RD VDS

-

VGS RG

0

T.U.T.

Fig.17. Switching test circuit.

January 1998

6

Rev 1.000

Philips Semiconductors

Product specification

TrenchMOS transistor Standard level FET

BUK7840-55

PRINTED CIRCUIT BOARD Dimensions in mm. 36

18

60 4.5

4.6

9

10

7 15 50

Fig.18. PCB for thermal resistance and power rating for SOT223. PCB: FR4 epoxy glass (1.6 mm thick), copper laminate (35 µm thick).

January 1998

7

Rev 1.000

Philips Semiconductors

Product specification

TrenchMOS transistor Standard level FET

BUK7840-55

MECHANICAL DATA Dimensions in mm

6.7 6.3

Net Mass: 0.11 g

B

3.1 2.9

0.32 0.24

0.2

4

A

A

0.10 0.02

16 max

M

7.3 6.7

3.7 3.3 13

2

1 10 max 1.8 max

1.05

0.80

2.3

0.60

0.85 4.6

3 0.1 M

B

(4x)

Fig.19. SOT223 surface mounting package. Notes 1. Observe the general handling precautions for electrostatic-discharge sensitive devices (ESDs) to prevent damage to MOS gate oxide. 2. Refer to surface mounting instructions for SOT223 envelope. 3. Epoxy meets UL94 V0 at 1/8".

January 1998

8

Rev 1.000

Philips Semiconductors

Product specification

TrenchMOS transistor Standard level FET

BUK7840-55

DEFINITIONS Data sheet status Objective specification

This data sheet contains target or goal specifications for product development.

Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification

This data sheet contains final product specifications.

Limiting values Limiting values are given in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of this specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification.  Philips Electronics N.V. 1998 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, it is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights.

LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.

January 1998

9

Rev 1.000