05359
Only One Name Means ProTek’Tion™
PAM15ST4305
500 WATT loW cAPAciTAnce STeeRing diode/TVS ARRAy
deScRiPTion
The PAM15ST4305 is a low capacitance steering diode TVS array, designed to protect two I/O lines from the effects of
Electrostatic Discharge (ESD) and Electrical Fast Transients (EFT). The PAM15ST4305 exceeds Level 4 IEC 61000-4-2,
with a peak pulse power rating of 500 Watts for an 8/20µs waveshape.
The low capacitance of the steering diode allows the designer to protect automotive applications. The small SOT-
143 package, with four leads reduces the internal lead inductance for low overshoot voltage during fast front time
transient events, such as ESD and EFT. The PAM15ST4305 meet the IEC 61000-4-2, IEC 61000-4-4 and IEC 61000-4-5
requirements.
SoT-143 PAckAge
FeATuReS
• Compatible with IEC 61000-4-2 (ESD): Air - 15kV, Contact - 8kV
• Compatible with IEC 61000-4-4 (EFT): 40A - 5/50ns
• Compatible with IEC 61000-4-5 (Surge): 24A, 8/20µs - Level 2(Line-
Gnd) & Level 3 (Line-Line)
• 500 Watts Peak Pulse Power per Line (tp = 8/20µs)
• Protects Two I/O Ports & Power Supply
• Low Capacitance: 10pF
• RoHS Compliant
• REACH Compliant
APPlicATionS
• Automotive Applications
MechAnicAl chARAcTeRiSTicS
•
•
•
•
Molded JEDEC SOT-143 Package
Approximate Weight: 9 milligrams
Lead-Free Pure-Tin Plating (Annealed)
Solder Reflow Temperature:
Pure-Tin - Sn, 100: 260-270°C
• 8mm Tape and Reel Per EIA Standard 481
• Flammability Rating UL 94V-0
Pin conFiguRATion
GND 1
4 REF
I/O 2
3 I/O
05359.R0 12/11
Page 1
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05359
Only One Name Means ProTek’Tion™
PAM15ST4305
TyPicAl deVice chARAcTeRiSTicS
MAXiMuM RATingS
@ 25°c unless otherwise Specified
PARAMeTeR
Operating Temperature
Storage Temperature
Peak Pulse Power (tp = 8/20µs) - See Figure 1
Peak Forward Voltage - I
F
= 1A, 8/20µs
SyMBol
T
L
T
STG
P
PP
V
F
VAlue
-55 to 150
-55 to 150
500
1.5
uniTS
°C
°C
Watts
Volts
elecTRicAl chARAcTeRiSTicS PeR line
@ 25°c unless otherwise Specified
PART
nuMBeR
deVice
MARking
RATed
STAnd-oFF
VolTAge
MiniMuM
BReAkdoWn
VolTAge
@ 1mA
V
(BR)
VolTS
6.0
MAXiMuM
clAMPing
VolTAge
(Fig. 2)
@ i
P
= 1A
V
c
VolTS
9.8
MAXiMuM
clAMPing
VolTAge
(Fig. 2)
@ 8/20µs
V
c
@ i
PP
VolTS
20.0V @ 28.0A
MAXiMuM
leAkAge
cuRRenT
@ V
WM
i
d
µA
5
V
WM
VolTS
PAM15ST4305
noTeS
5A
5.0
MAXiMuM
cAPAciTAnce
PeR line
(note 1)
(Fig. 5)
0V, 1Mhz
c
j(Sd)
pF
10
1. As shown in Figure 5, REF 1 is connected to ground, REF 2 is connected to +V
CC
and input applies to V
CC
= 5V, V
SIGN
= 30mV, F = 1MHz.
05359.R0 12/11
Page 2
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05359
Only One Name Means ProTek’Tion™
PAM15ST4305
TyPicAl deVice chARAcTeRiSTicS
FiguRe 1
PeAk PulSe PoWeR VS PulSe TiMe
10,000
P
PP
- Peak Pulse Power - Watts
1,000
500W, 8/20µs Waveform
100
10
0.1
1
10
100
t
d
- Pulse duration - µs
1,000
10,000
120
i
PP
- Peak Pulse current - % of i
PP
FiguRe 2
PulSe WAVe FoRM
t
f
Peak Value I
PP
TEST
WAVEFORM
PARAMETERS
t
f
= 8µs
t
d
= 20µs
100
80
% of Rated Power
FiguRe 3
PoWeR deRATing cuRVe
Peak Pulse Power
8/20µs
100
80
60
40
20
0
0
5
e
-t
60
40
20
0
Average Power
t
d
= t/(I
PP
/2)
10
15
t - Time - µs
20
25
30
0
25
50
75 100 125
T
A
- Ambient Temperature - °c
150
05359.R0 12/11
Page 3
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05359
Only One Name Means ProTek’Tion™
PAM15ST4305
TyPicAl deVice chARAcTeRiSTicS
FiguRe 4
oVeRShooT & clAMPing VolTAge
20
10
5 Volts per division
0
-10
-20
eSd Test Pulse - 5 kilovolt, 1/30ns (Waveshape)
FiguRe 5
inPuT cAPAciTAnce ciRcuiT
REF2
I/O
V
SIGN
G
REF1
+V
CC
FiguRe 6
TyPicAl ReVeRSe VolTAge VS cAPAciTAnce
16
12
c - capacitance - pF
8
4
0
0
1
2
3
V
R
- Reverse Voltage - Volts
4
5
05359.R0 12/11
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