MT1117
◆
ORDERING INFORMATION
DEVICE
MT1117A
MT1117-X.X A
PACKAGE
V
OUT
VOLTS
X.X_ 1.5 / 1.8 / 2.5 / 2.8 / 3.0 / 3.3
T
A
(
O
C)
0~70
A
SOT-223
◆
POWER DISSIPATION TABLE:
Package
A
θ
JA
O
( C /W )
156
O
Df( mW/ C)
T
A
≥
25
O
C
O
T
A
≤
25 C
Power rating(mW)
T
A
=70
O
C
Power rating(mW)
588
T
A
= 85
O
C
Power rating (mW)
478
7.35
919
Note :
1.θ
JA
:
Thermal Resistance-Junction to Ambient, D
F
: Derating factor, Po: Power consumption.
Junction Temperature Calculation:
T
J
= T
A
+ (P
D
× θ
JA
), Po = D
F
×
(T
J
- T
A
)
The
θ
JA
numbers are guidelines for the thermal performance of the device/PC-board system.
All of the above assume no ambient airflow.
2.θ
JT:
Thermal Resistance-Junction to Ambient, T
C
: case(Tab) temperature, T
J
= T
C
+ (P
D
× θ
JT
)
For A package,
θ
JT
= 15.0 C /W.
O
For B package,
θ
JT
= 7.0 C /W.
O
◆
RECOMMENDED OPERATING CONDITIONS:
Symbol
V
IN
I
O
C
IN
C
OUT
T
J
Input Voltage
Load Current (with adequate heatsinking)
Input Capacitor (V
IN
to GND)
Output Capacitor with ESR of 10Ω max., (V
OUT
to GND)
Junction temperature
Parameter
Recommended Operating
Min.
Typ.
Max.
3
6
0.1
1.0
4.7
125
Units
V
mA
μF
μF
O
C
◆
TYPICAL APPLICATIONS:
Fixed Voltage Regulator:
V
IN
MT1117-X.X
V
OUT
C
IN
1μF
I
Q
C
OUT
4.7μF
http:// www.sirectsemi.com
-2-
SIRECT [ Sirectifier Global Corp. ]
