BSS670S2L OptiMOS® Buck converter series
Feature
• • N-Channel • • Enhancement mode • • Logic Level • Avalanche rated •
1)
Product Summary VDS RDS(on) ID 55 650 0.54
PG-SOT 23
V mΩ A
Drain pin 3
Type BSS670S2L
Package PG-SOT 23
Tape and Reel L6327: 3000 pcs/reel
Marking BSs
Gate pin1 Source pin 2
Maximum Ratings, at Tj = 25 °C, unless otherwise specified Parameter Continuous drain current
TA=25°C TA=70°C
Symbol ID
Value
Unit A
0.54 0.43 ID puls 2.2
Pulsed drain current
TA=25°C
Avalanche energy, single pulse ID = 0.54 A, RG = 25 Ω 1) Gate source voltage Power dissipation
TA=25°C
EAS VGS Ptot
8.1 ± 20 0.36
mJ V W
Operating and storage temperature IEC climatic category; DIN IEC 68-1
Tj , Tstg
-55... +150 55/150/56
°C
1) Valid from devices with date code 0604 onwards Rev. 2.3 Page 1
2006-12-01
BSS670S2L
Thermal Characteristics Parameter Symbol min. Characteristics Thermal resistance, junction - soldering point (Pin 3) SMD version, device on PCB:
@ min. footprint @ 6 cm2 cooling area 2)
Values typ. max.
Unit
RthJS
-
-
290
K/W
RthJA 350 300
Electrical Characteristics, at Tj = 25 °C, unless otherwise specified Parameter Symbol min. Static Characteristics Drain-source breakdown voltage
VGS=0, ID=1mA
Values typ. max.
Unit
V(BR)DSS
55
-
-
V
Gate threshold voltage, V GS = VDS
ID=2.7µA
VGS(th)
1.2
1.6
2
Zero gate voltage drain current
VDS=55V, V GS=0, T j=25°C VDS=55V, V GS=0, T j=150°C
IDSS IGSS 0.01 1 1 0.1 10 100
µA
Gate-source leakage current
VGS=20V, VDS=0V
nA
Drain-source on-state resistance
VGS=4.5V, ID=270mA
RDS(on)
-
430
825
mΩ
Drain-source on-state resistance
VGS=10V, ID=270mA
RDS(on)
-
346
650
2) Device on 40mm*40mm*1.5mm epoxy PCB FR4 with 6cm² (one layer, 70 µm thick) copper area for drain connection. PCB is vertical without blown air.
Rev. 2.3
Page 2
2006-12-01
BSS670S2L
Electrical Characteristics Parameter Symbol Conditions min. Dynamic Characteristics Transconductance gfs
VDS≥2*ID*RDS(on)max , ID=0.54A
Values typ. max.
Unit
0.6
1.2
-
S
Input capacitance Output capacitance Reverse transfer capacitance Turn-on delay time Rise time Turn-off delay time Fall time Gate Charge Characteristics Gate to source charge Gate to drain charge Gate charge total
Ciss Coss Crss t d(on) tr t d(off) tf
VGS=0, VDS =25V, f=1MHz
-
56 13 7 9 25 21 24
75 18 10 14 37 31 32
pF
VDD=30V, VGS=4.5V, ID=0.54A, RG =130Ω
-
ns
Q gs Q gd Qg
VDD=40V, ID=0.54A
-
0.19 0.57 1.7
0.25 0.86 2.26
nC
VDD=40V, ID=0.54A, VGS=0 to 10V
-
Gate plateau voltage Reverse Diode Inverse diode continuous forward current Inv. diode direct current, pulsed Inverse diode forward voltage Reverse recovery time Reverse recovery charge
V(plateau)
VDD=40V, ID=0.54A
-
3.1
-
V
IS
TA=25°C
-
-
0.38
A
ISM VSD trr Qrr
VGS =0, IF =0.54A VR =30V, IF =lS , diF /dt=100A/µs
-
0.8 51 22
2.2 1.1 64 28 V ns nC
Rev. 2.3
Page 3
2006-12-01
BSS670S2L
1 Power dissipation Ptot = f (TA) 2 Drain current ID = f (TA) parameter: VGS≥ 10 V
0.38
BSS670S2L
0.6
BSS670S2L
W
0.32 0.28
A
0.5 0.45 0.4
P tot
ID
0.35 0.3 0.25 0.2 0.15 0.1 0.05 20 40 60 80 100 120
0.24 0.2 0.16 0.12 0.08 0.04 0 0
°C
160
0 0
20
40
60
80
100
120
°C
160
TA
TA
4 Transient thermal impedance ZthJS = f (tp) parameter : D = tp/T
10 3
BSS670S2L
3 Safe operating area ID = f ( VDS ) parameter : D = 0 , T A = 25 °C
10 1
BSS670S2L
K/W A
/ID
tp = 23.0µs 100 µs
10 0
R
=
n) (o DS
V
DS
10 2
ZthJS
1 ms 10 ms
10 1
ID
10 - 1
10 0 D = 0.50 0.20 10
-1
0.10 0.05 single pulse 0.02 0.01
10 - 2 DC 10 - 2
10 -3 -1 10
10
0
10
1
V
10
2
10 -3 -7 10
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
0
VDS
Rev. 2.3 Page 4
tp
2006-12-01
BSS670S2L
5 Typ. output characteristic ID = f (VDS); Tj=25°C parameter: t p = 80 µs
3
6 Typ. drain-source on resistance RDS(on) = f (ID) parameter: VGS
1500
A
10V 6V 5V
4.5V
mΩ
1200
1100 1000 900 800 700 600
ID
2
4V
3.5V 4V 4.5V 5V 6V 10V
1.5
1
R DS(on)
4
3.5V
500 400
0.5
3V
300 200 100
0 0
0.5
1
1.5
2
2.5
3
3.5
V5 VDS
0 0
0.2
0.4
0.6
0.8
A ID
1.2
7 Typ. transfer characteristics ID= f ( VGS ); VDS ≥ 2 x ID x R DS(on)max parameter: t p = 80 µs
2.2
8 Typ. forward transconductance gfs = f(ID); Tj=25°C parameter: gfs
2.2
A
1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 0.5 1 1.5 2 2.5 3 3.5 4
S
1.8 1.6
gfs V5 VGS
Page 5
ID
1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 0.4 0.8 1.2 1.6 2.2 A ID
Rev. 2.3
2006-12-01
BSS670S2L
9 Drain-source on-state resistance RDS(on) = f (Tj) parameter : ID = 270 mA, VGS = 10 V
1900
BSS670S2L
10 Typ. gate threshold voltage VGS(th) = f (Tj) parameter: VGS = VDS
2.5
mΩ
1600
V V GS(th)
RDS(on)
1400 1200 1000 800 600 400 200 0 -60
10 µA
1.5
2 µA
98% 1
typ
0.5
-20
20
60
100
°C
180
0 -60
-20
20
60
100
°C Tj
180
Tj
11 Typ. capacitances C = f (VDS) parameter: VGS=0, f=1 MHz
10 3
12 Forward character. of reverse diode IF = f (VSD ) parameter: Tj , tp = 80 µs
10 1
BSS670S2L
pF
A
10 2
C
Coss Crss
10 1
IF
10 - 1 Tj = 25 °C typ Tj = 150 °C typ Tj = 25 °C (98%) Tj = 150 °C (98%) 10 -2 0
Ciss
10 0
10 0 0
5
10
15
20
V VDS
30
0.4
0.8
1.2
1.6
2
2.4 V
3
VSD
Page 6
Rev. 2.3
2006-12-01
BSS670S2L
13 Typ. gate charge VGS = f (Q Gate) parameter: I D = 0.54 A pulsed
16
BSS670S2L
14 Drain-source breakdown voltage V(BR)DSS = f (Tj) parameter: I D=10 mA
66
BSS670S2L
V
V
12
V(BR)DSS
0,8 VDS max
62
VGS
10 0,2 VDS max 8
60
58
6
56
4
54
2
52
0 0
0.4
0.8
1.2
1.6
2
nC
2.6
50 -60
-20
20
60
100
°C
180
QGate
Tj
Rev. 2.3
Page 7
2006-12-01
BSS670S2L
Published by Infineon Technologies AG, Bereichs Kommunikation St.-Martin-Strasse 53, D-81541 München © Infineon Technologies AG 1999 All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Infineon Technologies is an approved CECC manufacturer. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Reprensatives worldwide (see address list). Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.
Rev. 2.3
Page 8
2006-12-01