1-1-3 Multi-Output Type Regulator ICs
SPI-8001TW/SPI-8002TW/SPI-8003TW
2-Output, Step-down Switching Mode Regulator ICs
sFeatures
• 2 regulators combined in one package
• Output current: 1.5A
×
2 (HSOP 16 Pin
Surface mount package)
• High efficiency: TYP80% (SPI-8001TW),
TYP78% (SPI-8002TW)
• Variable output voltage: 1.0 to 16V (SPI-
8001TW), 1.0 to 24V (SPI-8002TW)
• Built-in reference oscillator (250kHz): Enables
to downsize a choke-coil
• Low circuit current consumption:
1
µ
A (at
output OFF)
• High accuracy reference voltage:
±1%
• Built-in foldback-overcurrent and thermal
protection circuits
• Built-in ON/OFF circuit (soft start available) –
per output
Parameter
Symbol
V
IN
Input Voltage
Power
Dissipation
*2, *3
V
CC
V
C/E
P
D
Tj
Tstg
+135
–40 to +135
9.0
35.8
Junction Temperature
Storage Temperature
Thermal Resistance (junction to case)
*2
Thermal Resistance (junction to ambient air)
*2
SPI-8001TW
21
21
21
sAbsolute
Maximum Ratings
*1
Ratings
SPI-8002TW
40
40
40
3.0
+150
–40 to +150
SPI-8003TW
40
40
40
Unit
V
V
V
W
°C
°C
°C/W
°C/W
θ
j-c
θ
j-a
*1: Absolute maximum ratings show the destructive limit. No parameter should exceed the ratings in transient or normal
operations.
*2: When mounted on glass-epoxy board 70cm
2
(copper laminate area 30.8cm
2
).
*3: Limited by thermal protection.
sApplications
• Onboard local power supplies
• OA equipment
• For stabilization of the secondary-side output voltage of switching power supplies
sRecommended
Operating Conditions
*1
Ratings
Parameter
Symbol
V
IN
Input Voltage Range
Output Voltage Range
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
V
CC
V
C/E
V
O
I
O
Tjop
Top
–30
–30
1
SPI-8001TW
Min
V
O
+3
4.5
Max
20
20
20
16
1.5
+135
+135
–30
–30
1
SPI-8002TW
Min
V
O
+3
4.5
Max
38
38
38
24
1.5
+135
+135
–30
–30
1
SPI-8003TW
Min
V
O
+3
4.5
Max
38
38
38
24
1.5
+125
+85
V
V
V
V
A
°C
°C
Unit
*1: Recommended operating conditions show the operating conditions required for the normal circuit function described in the electrical characteristics.
These conditions must be followed in actual use.
86
ICs
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