FDC6420C Datasheet. Www.s Manuals.com. Rc Fairchild

User Manual: Marking of electronic components, SMD Codes 42, 42**, 42-, 420, 421NL, 4232BGM, 423NL, 42=***, 42N03S, 42T, 42W, 42p, 42t. Datasheets AO6402A, AP4232BGM-HF, AP4232BGM-HF-3, BAT54AW, BSC042N03S G, ESD5V0L4, FDC6420C, RT9728CHGE, SST421NL, SST423NL, TK71542AS.

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FDC6420C
20V N & P-Channel PowerTrench MOSFETs
General Description

Features

These N & P-Channel MOSFETs are produced using
Fairchild Semiconductor’s advanced PowerTrench
process that has been especially tailored to minimize
on-state resistance and yet maintain superior
switching performance.

• Q1 3.0 A, 20V.

RDS(ON) = 95 mΩ @ VGS = 2.5 V
• Q2 –2.2 A, 20V. RDS(ON) = 125 mΩ @ VGS = –4.5 V
RDS(ON) = 190 mΩ @ VGS = –2.5 V

These devices have been designed to offer
exceptional power dissipation in a very small footprint
for applications where the bigger more expensive
SO-8 and TSSOP-8 packages are impractical.

• Low gate charge
• High performance trench technology for extremely
low RDS(ON).

Applications
•
•
•

RDS(ON) = 70 mΩ @ VGS = 4.5 V

• SuperSOT –6 package: small footprint (72% smaller than

DC/DC converter
Load switch
LCD display inverter

SO-8); low profile (1mm thick).

D2

Q2(P)

S1
D1

G2

SuperSOT

TM

-6

Pin 1

4

3

5

2

S2
G1

1

6
Q1(N)

SuperSOT™-6

Absolute Maximum Ratings
Symbol

o

TA=25 C unless otherwise noted

Q1

Q2

Units

VDSS

Drain-Source Voltage

Parameter

20

–20

V

VGSS

Gate-Source Voltage

±12

±12

V

ID

Drain Current

3.0

–2.2

A

12

–6

– Continuous

(Note 1a)

– Pulsed
Power Dissipation for Single Operation

PD

TJ, TSTG

(Note 1a)

0.96

(Note 1b)

0.9

(Note 1c)

0.7

W

–55 to +150

°C

(Note 1a)

130

°C/W

(Note 1)

60

°C/W

Operating and Storage Junction Temperature Range

Thermal Characteristics
RθJA

Thermal Resistance, Junction-to-Ambient

RθJC

Thermal Resistance, Junction-to-Case

Package Marking and Ordering Information
Device Marking

Device

Reel Size

Tape width

Quantity

.420

FDC6420C

7’’

8mm

3000 units

2001 Fairchild Semiconductor Corporation

FDC6420C Rev C(W)

FDC6420C

September 2001

Symbol

TA = 25°C unless otherwise noted

Parameter

Test Conditions

Min

Typ

Max Units

Off Characteristics
BVDSS

Drain–Source Breakdown Voltage

∆BVDSS
∆TJ

Breakdown Voltage Temperature
Coefficient

IDSS

Zero Gate Voltage Drain Current

IGSSF

Gate–Body Leakage, Forward

IGSSR

Gate–Body Leakage, Reverse

On Characteristics
VGS(th)
∆VGS(th)
∆TJ
RDS(on)

ID(on)
gFS

VGS = 0 V,
ID = 250 µA
VGS = 0 V,
ID = –250 µA
ID = 250 µA, Ref. to 25°C
ID = –250 µA, Ref. to 25°C
VDS = 16 V, VGS = 0 V
VDS = –16 V, VGS = 0 V
VGS = 12 V, VDS = 0 V
VGS = 12 V, VDS = 0 V
VGS = –12 V, VDS = 0 V
VGS = –12 V, VDS = 0 V

Q1
Q2
Q1
Q2
Q1
Q2
Q1
Q2
Q1
Q2

20
–20

V
13
–11

mV/°C
1
–1
100
100
–100
–100

µA

V

nA
nA

(Note 2)

Q1

VDS = VGS, ID = 250 µA

0.5

0.9

1.5

Q2

VDS = VGS, ID = –250 µA

–0.6

–1.0

–1.5

Gate Threshold Voltage
Temperature Coefficient

Q1

ID = 250 µA, Ref. To 25°C

–3

Q2

ID = –250 µA, Ref. to 25°C

–3

Static Drain–Source
On–Resistance

Q1

VGS = 4.5 V, ID = 3.0 A
VGS = 2.5 V, ID = 2.5 A
VGS = 4.5 V, ID = 3.0 A,TJ=125°C

Q2

VGS = –4.5 V, ID = –2.2 A
VGS =– 2.5 V, ID = –1.8 A
VGS= – 4.5 V,ID=–2.2 A,TJ=125°C

Q1

VGS = 4.5 V,

Gate Threshold Voltage

On–State Drain Current
Forward Transconductance

VDS = 5 V

50
66
71
100
145
137

mV/°C

70
95
106

mΩ

125
190
184

12

A

Q2

VGS = –4.5 V, VDS = –5 V

Q1

VDS = 5 V

ID = 2.5 A

10

Q2

VDS = –5 V

ID = –2.0A

6

Q1

VDS=10 V, V GS= 0 V, f=1.0MHz

Q2

VDS=–10 V, V GS= 0 V, f=1.0MHz

337

Q1

VDS=10 V, V GS= 0 V, f=1.0MHz

82

Q2

VDS=–10 V, V GS= 0 V, f=1.0MHz

88

VDS=10 V, V GS= 0 V, f=1.0MHz

42

Q2

VDS=–10 V, V GS= 0 V, f=1.0MHz

51

Q1
Q2

For Q1:
VDS =10 V,
VGS= 4.5 V,

–6
S

Dynamic Characteristics
Ciss
Coss
Crss

Input Capacitance
Output Capacitance

Reverse Transfer Capacitance Q1

Switching Characteristics
td(on)
tr

Turn–On Delay Time
Turn–On Rise Time

tf
Qg
Qgs

Turn–Off Delay Time
Turn–Off Fall Time

Q1
Q1
Q2

pF

5

10

I DS= 1 A
RGEN = 6 Ω

9

18

7

14

ns

For Q2:
VDS =–10 V, I DS= –1 A
VGS= –4.5 V, RGEN = 6 Ω

12
13

22
23

ns

10

20

1.6

3

Q2

5

10

3.3
3.7

4.6

Total Gate Charge

Q1

Gate–Source Charge

Q2
Q1

Gate–Drain Charge

pF

Q1

Q2
Qgd

pF

(Note 2)

Q2
td(off)

324

Q1
Q2

For Q1:
VDS =10 V,
I DS= 3.0 A
VGS= 4.5 V,
For Q2:
VDS =–10 V, I DS= –2.2 A
VGS= –4.5 V,

0.95

ns

ns
nC
nC

0.68
0.7

nC

1.3
FDC6420C Rev C(W)

FDC6420C

Electrical Characteristics

Symbol

TA = 25°C unless otherwise noted

Parameter

Test Conditions

Min

Typ

Max Units

Drain–Source Diode Characteristics and Maximum Ratings
IS
VSD

Maximum Continuous Drain–Source Diode Forward Current
Drain–Source Diode Forward
Voltage

Q1

0.8

Q2

–0.8

Q1

VGS = 0 V, IS = 0.8 A

(Note 2)

0.7

1.2

Q2

VGS = 0 V, IS = 0.8 A

(Note 2)

–0.8

–1.2

A
V

Notes:
1. RθJA is the sum of the junction-to-case and case-to-ambient thermal resistance where the case thermal reference is defined as the solder mounting surface of
the drain pins. RθJC is guaranteed by design while RθCA is determined by the user's board design.

a) 130 °C/W when
mounted on a 0.125
2
in pad of 2 oz.
copper.

b) 140 °C/W when
2
mounted on a .004 in
pad of 2 oz copper

c) 180 C°/W when mounted on a
minimum pad.

Scale 1 : 1 on letter size paper
2. Pulse Test: Pulse Width < 300µs, Duty Cycle < 2.0%

FDC6420C Rev C(W)

FDC6420C

Electrical Characteristics

FDC6420C

Typical Characteristics: N-Channel

2

12
3.0V

2.5V

R DS(ON), NORMALIZED
DRAIN-SOURCE ON-RESISTANCE

ID, DRAIN CURRENT (A)

VGS = 4.5V
10
3.5V
8

2.0V

6
4
2
0
0

1

2

VGS = 2.0V
1.8
1.6

1.4

2.5V
1.2

3.0V

4.5V

0.8

3

0

2

4

VDS, DRAIN TO SOURCE VOLTAGE (V)

8

10

12

Figure 2. On-Resistance Variation with
Drain Current and Gate Voltage.

1.6

0.22

ID = 3.0A
VGS = 4.5V

RDS(ON), ON-RESISTANCE (OHM)

RDS(ON), NORMALIZED
DRAIN-SOURCE ON-RESISTANCE

6

ID, DRAIN CURRENT (A)

Figure 1. On-Region Characteristics.

1.4

1.2

1

0.8

0.6

ID = 1.5A
0.18

0.14
o

TA = 125 C
0.1

0.06
o

TA = 25 C
0.02

-50

-25

0

25

50

75

100

125

150

1

2

o

3

4

5

VGS, GATE TO SOURCE VOLTAGE (V)

TJ, JUNCTION TEMPERATURE ( C)

Figure 3. On-Resistance Variation with
Temperature.

Figure 4. On-Resistance Variation with
Gate-to-Source Voltage.

10

100

TA = -55oC

o

25 C

IS, REVERSE DRAIN CURRENT (A)

VDS = 5V
ID, DRAIN CURRENT (A)

3.5V

1

8

125oC
6

4

2

0

VGS = 0V
10

TA = 125oC

1

o

25 C

0.1

-55oC
0.01
0.001
0.0001

0.5

1

1.5

2

2.5

VGS, GATE TO SOURCE VOLTAGE (V)

Figure 5. Transfer Characteristics.

3

0

0.2

0.4

0.6

0.8

1

1.2

VSD, BODY DIODE FORWARD VOLTAGE (V)

Figure 6. Body Diode Forward Voltage Variation
with Source Current and Temperature.

FDC6420C Rev C(W)

FDC6420C

Typical Characteristics

450
ID = 3A

VDS = 5V

f = 1 MHz
VGS = 0 V

10V

4

360
15V

CAPACITANCE (pF)

VGS , GATE-SOURCE VOLTAGE (V)

5

3

2

CISS
270

180
COSS

1

90

0

0

CRSS
0

1

2

3

4

0

Qg, GATE CHARGE (nC)

Figure 7. Gate Charge Characteristics.

10

15

20

Figure 8. Capacitance Characteristics.
5

RDS(ON) LIMIT

10

P(pk), PEAK TRANSIENT POWER (W)

100

ID, DRAIN CURRENT (A)

5

VDS, DRAIN TO SOURCE VOLTAGE (V)

1ms
10ms
100ms
1s

1

10s
DC
VGS = 4.5V
SINGLE PULSE
RθJA = 180oC/W

0.1

TA = 25oC

SINGLE PULSE
RθJA = 180°C/W
TA = 25°C

4

3

2

1

0

0.01
0.1

1

10

VDS, DRAIN-SOURCE VOLTAGE (V)

Figure 9. Maximum Safe Operating Area.

100

0.1

1

10

100

1000

t1, TIME (sec)

Figure 10. Single Pulse Maximum
Power Dissipation.

FDC6420C Rev C(W)

FDC6420C

Typical Characteristics: P-Channel
2.75

-ID, DRAIN CURRENT (A)

VGS =- 4.5V

RDS(ON), NORMALIZED
DRAIN-SOURCE ON-RESISTANCE

6
-3.0V

5

-2.5V
-3.5V

4
3
-2.0V
2
-1.8V
1

2.5
VGS = -2.0V
2.25
2
1.75
-2.5V

1.5

-3.0V

1.25

-3.5V
-4.5V

1
0.75

0
0

0.5

1

1.5

2

0

2.5

1

2

Figure 11. On-Region Characteristics.

4

5

6

Figure 12. On-Resistance Variation with
Drain Current and Gate Voltage.
0.4

1.6

ID = -1.1 A

ID = -2.2A
VGS = -4.5V

RDS(ON), ON-RESISTANCE (OHM)

RDS(ON), NORMALIZED
DRAIN-SOURCE ON-RESISTANCE

3

-ID, DRAIN CURRENT (A)

-VDS, DRAIN-SOURCE VOLTAGE (V)

1.4

1.2

1

0.8

0.35
0.3
0.25
0.2
o

TA = 125 C
0.15
0.1
o

TA = 25 C
0.6
-50

-25

0

25

50

75

100

125

0.05

150

1

2

3

4

5

o

TJ, JUNCTION TEMPERATURE ( C)

-VGS, GATE TO SOURCE VOLTAGE (V)

Figure 13. On-Resistance Variation with
Temperature.

Figure 14. On-Resistance Variation with
Gate-to-Source Voltage.
10

-ID, DRAIN CURRENT (A)

VDS = -5V

o

o

TA = -55 C

4

-IS, REVERSE DRAIN CURRENT (A)

5
25 C
125oC

3

2

1

VGS = 0V
1
TA = 125oC
0.1
o

25 C
0.01
o

-55 C
0.001

0.0001

0
0.5

1

1.5

2

2.5

-VGS, GATE TO SOURCE VOLTAGE (V)

Figure 15. Transfer Characteristics.

3

0

0.2

0.4

0.6

0.8

1

1.2

-VSD, BODY DIODE FORWARD VOLTAGE (V)

Figure 16. Body Diode Forward Voltage Variation
with Source Current and Temperature.

FDC6420C Rev C(W)

FDC6420C

Typical Characteristics

5
-VGS, GATE-SOURCE VOLTAGE (V)

600

VDS =- 5V

ID = -2.2A

f = 1MHz
VGS = 0 V

-10V

500

4
CAPACITANCE (pF)

-15V
3

2

1

400
CISS
300
200
COSS
100
CRSS

0

0
0

1

2

3

4

5

0

5

Qg, GATE CHARGE (nC)

Figure 17. Gate Charge Characteristics.

20

P(pk), PEAK TRANSIENT POWER (W)

5
RDS(ON) LIMIT

10ms
100ms

-ID, DRAIN CURRENT (A)

15

Figure 18. Capacitance Characteristics.

10

1s

1
10s
DC

0.1

VGS = -4.5V
SINGLE PULSE
o
RθJA = 180 C/W
o

TA = 25 C
0.01

SINGLE PULSE
RθJA = 180°C/W
TA = 25°C

4

3

2

1

0
0.1

1

10

100

0.1

1

-VDS, DRAIN-SOURCE VOLTAGE (V)

10

100

1000

t1, TIME (sec)

Figure 19. Maximum Safe Operating Area.

r(t), NORMALIZED EFFECTIVE TRANSIENT
THERMAL RESISTANCE

10

-VDS, DRAIN TO SOURCE VOLTAGE (V)

Figure 20. Single Pulse Maximum
Power Dissipation.

1
D = 0.5

RθJA(t) = r(t) * RθJA
RθJA = 180°C/W

0.2

0.1

0.1
0.05

P(pk)

0.02
0.01

t1
t2
TJ - TA = P * RθJA(t)
Duty Cycle, D = t1 / t2

0.01
SINGLE PULSE

0.001
0.0001

0.001

0.01

0.1

1

10

100

1000

t1, TIME (sec)

Figure 21. Transient Thermal Response Curve.
Thermal characterization performed using the conditions described in Note 1c.
Transient thermal response will change depending on the circuit board design.

FDC6420C Rev C(W)

TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.

ACEx™
Bottomless™
CoolFET™
CROSSVOLT™
DenseTrench™
DOME™
EcoSPARK™
E2CMOSTM
EnSignaTM
FACT™
FACT Quiet Series™

FAST 
FASTr™
FRFET™
GlobalOptoisolator™
GTO™
HiSeC™
ISOPLANAR™
LittleFET™
MicroFET™
MicroPak™
MICROWIRE™

OPTOLOGIC™
OPTOPLANAR™
PACMAN™
POP™
Power247™
PowerTrench 
QFET™
QS™
QT Optoelectronics™
Quiet Series™
SILENT SWITCHER 

SMART START™
STAR*POWER™
Stealth™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
SyncFET™
TinyLogic™
TruTranslation™
UHC™
UltraFET 

VCX™

STAR*POWER is used under license

DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD
DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT
RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or
2. A critical component is any component of a life
systems which, (a) are intended for surgical implant into
support device or system whose failure to perform can
the body, or (b) support or sustain life, or (c) whose
be reasonably expected to cause the failure of the life
failure to perform when properly used in accordance
support device or system, or to affect its safety or
with instructions for use provided in the labeling, can be
effectiveness.
reasonably expected to result in significant injury to the
user.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification

Product Status

Definition

Advance Information

Formative or
In Design

This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.

Preliminary

First Production

This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.

No Identification Needed

Full Production

This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.

Obsolete

Not In Production

This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.

Rev. H4

www.s-manuals.com



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