Diodes AL5801 Manuel d'utilisateur Page 3

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AL5801
Document number: DS35555 Rev. 3 - 2
3 of 11
www.diodes.com
July 2012
© Diodes Incorporated
A
L5801
Package Thermal Data
Characteristic Symbol Value Unit
Power Dissipation (Note 5) @ T
A
= +25°C
P
D
0.75
W
Power Dissipation (Note 6) @ T
A
= +25°C
0.70
Power Dissipation (Note 7) @ T
A
= +25°C
0.85
Power Dissipation (Note 8) @ T
A
= +25°C
1.05
Thermal Resistance, Junction to Ambient Air (Note 5) @ T
A
= +25°C
R
θ
JA
165
°C/W
Thermal Resistance, Junction to Ambient Air (Note 6) @ T
A
= +25°C
180
Thermal Resistance, Junction to Ambient Air (Note 7) @ T
A
= +25°C
145
Thermal Resistance, Junction to Ambient Air (Note 8) @ T
A
= +25°C
120
Notes: 5. Device mounted on 15mm x 15mm 2oz copper board.
6. Device mounted on 25mm x 25mm 1oz copper board.
7. Device mounted on 25mm x 25mm 2oz copper board.
8. Device mounted on 50mm x 50mm 2oz copper board.
Recommended Operating Conditions (@T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Min Max Unit
V
BIAS
Supply voltage range 3.5 20
V
V
OUT
OUT voltage range 1.1 100
I
LED
LED pin current (Note 9) 25 350 mA
T
A
Operating ambient temperature range -40 125 °C
Note: 9. Subject to ambient temperature, power dissipation and PCB.
NMOSFET Electrical Characteristics: (Q1) (@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol Min Typ Max Unit Test Condition
OFF CHARACTERISTICS
Drain-Source Breakdown Voltage
BV
DSS
100
V
V
GS
= 0V, I
D
= 250µA
Zero Gate Voltage Drain Current
I
DSS
1 µA
V
DS
= 60V, V
GS
= 0V
Gate-Source Leakage
I
GSS
±100
nA
V
GS
= ±20V, V
DS
= 0V
ON CHARACTERISTICS
Gate Threshold Voltage
V
GS(th)
2.0
4.1 V
V
DS
= V
GS
, I
D
= 250µA
Static Drain-Source On-Resistance
R
DS (ON)
0.85
0.99
Ω
V
GS
= 10V, I
D
= 1.5A
V
GS
= 6V, I
D
= 1A
Forward Transconductance
g
fs
0.9
S
V
DS
= 15V, I
D
= 1A
Diode Forward Voltage
V
SD
0.89 1.1 V
V
GS
= 0V, I
S
= 1.5A
DYNAMIC CHARACTERISTICS
Input Capacitance
C
iss
129
pF
V
DS
= 50V, V
GS
= 0V
f = 1.0MHz
Output Capacitance
C
oss
14
pF
Reverse Transfer Capacitance
C
rss
8
pF
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