PMEG4005CT Datasheet PDF - NXP


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PMEG4005CT
NXP

Part Number PMEG4005CT
Description 500 MA Low Vf Dual MEGA Schottky Barrier Rectifier
Page 13 Pages

PMEG4005CT datasheet pdf
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PMEG4005CT
500 mA low VF dual MEGA Schottky barrier rectifier
Rev. 01 — 5 June 2009
Product data sheet
1. Product profile
1.1 General description
Planar Maximum Efficiency General Application (MEGA) Schottky barrier rectifier in
common cathode configuration with an integrated guard ring for stress protection,
encapsulated in a SOT23 (TO-236AB) small Surface-Mounted Device (SMD) plastic
package.
1.2 Features
I Average forward current: IF(AV) 0.5 A
I Reverse voltage: VR 40 V
I Low forward voltage
I AEC-Q101 qualified
I Small SMD plastic package
1.3 Applications
I Low voltage rectification
I High efficiency DC-to-DC conversion
I Switch Mode Power Supply (SMPS)
I Reverse polarity protection
I High-speed switching
I Low power consumption applications
1.4 Quick reference data
Table 1. Quick reference data
Tj = 25 °C unless otherwise specified.
Symbol Parameter
Conditions
Min Typ Max
Per diode
IF(AV)
average forward current
square wave;
δ = 0.5;
f = 20 kHz
Tamb 85 °C
[1] -
-
0.5
Tsp 130 °C
- - 0.5
VR reverse voltage
VF forward voltage
IF = 0.5 A
- - 40
- 410 470
IR reverse current
VR = 40 V
- 27 100
[1] Device mounted on a ceramic Printed-Circuit Board (PCB), Al2O3, standard footprint.
Unit
A
A
V
mV
µA



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PMEG4005CT
500 mA low VF dual MEGA Schottky barrier rectifier
2. Pinning information
Table 2.
Pin
1
2
3
Pinning
Description
anode (diode 1)
anode (diode 2)
common cathode
Simplified outline Graphic symbol
33
12
12
006aab034
3. Ordering information
Table 3. Ordering information
Type number
Package
Name
Description
PMEG4005CT
-
plastic surface-mounted package; 3 leads
Version
SOT23
4. Marking
Table 4. Marking codes
Type number
PMEG4005CT
[1] * = -: made in Hong Kong
* = p: made in Hong Kong
* = t: made in Malaysia
* = W: made in China
5. Limiting values
Marking code[1]
PA*
PMEG4005CT_1
Product data sheet
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Per diode
VR
IF(AV)
reverse voltage
average forward current
Tj = 25 °C
square wave;
δ = 0.5;
f = 20 kHz
-
IFRM
repetitive peak forward
current
Tamb 85 °C
Tsp 130 °C
tp 1 ms;
δ ≤ 0.25
[1] -
-
-
IFSM
non-repetitive peak
square wave;
[2] -
forward current
tp = 8 ms
Rev. 01 — 5 June 2009
Max Unit
40 V
0.5 A
0.5 A
3.9 A
10 A
© NXP B.V. 2009. All rights reserved.
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PMEG4005CT
500 mA low VF dual MEGA Schottky barrier rectifier
Table 5. Limiting values …continued
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Per device; one diode loaded
Ptot
total power dissipation Tamb 25 °C
[3] -
[4] -
[1] -
Tj
Tamb
Tstg
junction temperature
ambient temperature
storage temperature
-
55
65
Max Unit
330
400
460
150
+150
+150
mW
mW
mW
°C
°C
°C
[1] Device mounted on a ceramic PCB, Al2O3, standard footprint.
[2] Tj = 25 °C prior to surge.
[3] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.
[4] Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for cathode 1 cm2.
6. Thermal characteristics
Table 6. Thermal characteristics
Symbol Parameter
Per diode; one diode loaded
Rth(j-a)
thermal resistance from
junction to ambient
Conditions
in free air
Rth(j-sp)
thermal resistance from
junction to solder point
Min Typ Max Unit
[1]
[2] - - 375 K/W
[3] - - 310 K/W
[4] - - 270 K/W
[5] - - 60 K/W
[1] For Schottky barrier diodes thermal runaway has to be considered, as in some applications the reverse
power losses PR are a significant part of the total power losses.
[2] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.
[3] Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for cathode 1 cm2.
[4] Device mounted on a ceramic PCB, Al2O3, standard footprint.
[5] Soldering point of cathode tab.
PMEG4005CT_1
Product data sheet
Rev. 01 — 5 June 2009
© NXP B.V. 2009. All rights reserved.
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103
Zth(j-a)
(K/W)
102
10
duty cycle =
1
0.5
0.25
0.1
0.02
0.75
0.33
0.2
0.05
0.01
0
PMEG4005CT
500 mA low VF dual MEGA Schottky barrier rectifier
006aab533
1
103
102
101
1
10 102 103
tp (s)
FR4 PCB, standard footprint
Fig 1. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values
103
Zth(j-a)
(K/W)
102
10
duty cycle =
1
0.5
0.25
0.1
0.02
0
0.75
0.33
0.2
0.05
0.01
006aab534
1
103
102
101
1
10 102 103
tp (s)
FR4 PCB, mounting pad for cathode 1 cm2
Fig 2. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values
PMEG4005CT_1
Product data sheet
Rev. 01 — 5 June 2009
© NXP B.V. 2009. All rights reserved.
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