SPI-8001TW_11 SANKEN [Sanken electric], SPI-8001TW_11 Datasheet

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SPI-8001TW_11

Manufacturer Part Number
SPI-8001TW_11
Description
2-Output, Step-down Switching Mode
Manufacturer
SANKEN [Sanken electric]
Datasheet
1-1-3 DC/DC Converter ICs
■Features
■Applications
■Recommended Operating Conditions
*1: Recommended operating conditions show the operating conditions required for the normal circuit function described in the electrical characteristics.
Input Voltage Range
Output Voltage Range
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
• 2 regulators combined in one package
• Output current: 1.5A × 2 (HSOP 16 Pin
• High efficiency: TYP80% (SPI-8001TW),
• Variable output voltage: 1.0 to 16V (SPI-
• Built-in reference oscillator (250kHz): Enables
• Low circuit current consumption: ≤ 1 µ A (at
• High accuracy reference voltage: ±1%
• Built-in foldback-overcurrent and thermal
• Built-in ON/OFF circuit (soft start available) –
• Onboard local power supplies
• OA equipment
• For stabilization of the secondary-side output voltage of switching power supplies
SPI-8001TW/SPI-8002TW/SPI-8003TW
58
Surface mount package)
TYP78% (SPI-8002TW)
8001TW), 1.0 to 24V (SPI-8002TW)
to downsize a choke-coil
output OFF)
protection circuits
per output
These conditions must be followed in actual use.
ICs
Parameter
Symbol
V
V
T
V
T
V
I
C/E
CC
O
jop
op
■Absolute Maximum Ratings
IN
O
*1: Absolute maximum ratings show the destructive limit. No parameter should exceed the ratings in transient or normal
*2: When mounted on glass-epoxy board 70cm
*3: Limited by thermal protection.
Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (junction to case)
Thermal Resistance (junction to ambient air)
operations.
*1
Parameter
2-Output, Step-down Switching Mode
V
min.
–30
–30
4.5
O
*2, *3
1
+3
SPI-8001TW
max.
+135
+135
1.5
20
20
20
16
*2
*2
Symbol
V
V
T
V
θ
θ
P
T
C/E
CC
stg
IN
j-c
j-a
D
V
j
min.
–30
–30
4.5
O
1
+3
SPI-8002TW
2
*1
Ratings
(copper laminate area 30.8cm
SPI-8001TW
max.
+135
+135
1.5
38
38
38
24
21
21
21
–40 to +135
+135
V
min.
–30
–30
4.5
O
1
+3
SPI-8003TW
SPI-8002TW
Ratings
35.8
3.0
9.0
40
40
40
2
).
+125
max.
+85
1.5
38
38
38
24
SPI-8003TW
–40 to +150
+150
40
40
40
Unit
°C
°C
V
V
V
V
A
°C/W
°C/W
Unit
°C
°C
W
V
V
V

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SPI-8001TW_11 Summary of contents

Page 1

... 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) • ...

Page 2

... SS-pin voltages can be changed with open-collector drive circuits of transistors. SSL and C flow into the ON/OFF control transistors respectively. Therefore, limit the 4 5 capacitances are large. The SS pins are pulled up to the power supply in the ICs, so applying the external voltages are 5 SPI-8003TW max. min. typ. max. 1.016 0.966 1.006 1 ...

Page 3

... V REF2 + + + – – – C5 – PWM Amp Buffer-Amp AGND AGND ICs 1+0.1/–0.05 (Heatsink thickness 0.25+0.15/–0.05 0.10 S Pin Assignment (SPI-8001TW, SPI-8002TW) q AGND w V IN1 SWout1 t DGND1 y SS1 u V REF1 i N.C 9 0.4+0.15/–0. C/E 15 TSD UVLO V Start ...

Page 4

... V C SWout1 IN1 R1 6 Ch1 Di1 SS1 REF1 DGND1 REF1 R2 SPI-8003TW SWout2 IN2 Di2 SS2 Ch2 REF2 DGND2 I REF2 R4 AGND ORC CSC ...

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