General Purpose Linear IC
Switching Regulator Control Circuit
Type
number
Absolute maximum ratings
Input voltage
Output
Total power
range (V)
current (mA) dissipation (W)
7 to 40
250
1200
(peak)
1200
(peak)
1200
(peak)
1200
(peak)
1200
(peak)
10
1, 0.78*
2
, 0.65*
2
Package
Output circuit operation mode
Applications
µ
PC494
• 16-pin DIP
(plastic)
Push-pull/single selectable
1
• 16-pin SOP*
• 14-pin DIP
(plastic)
• 14-pin SOP
• 16-pin DIP
(plastic)
• 16-pin SOP
• 16-pin DIP
(plastic)
• 16-pin SOP
• 16-pin DIP
(plastic)
• 16-pin SOP
• 24-pin DIP
(plastic)
• 24-pin SOP
• 14-pin DIP
(plastic)
• 14-pin SOP
• 16-pin DIP
(plastic)
• 16-pin SOP
• 16-pin DIP
(plastic)
• 16-pin SOP
General purpose
µ
PC1094
11 to 24
0.57, 0.55
µ
PC1099
11.5 to 24
1, 0.694
µ
PC1905
16.5 to 30
1, 0.694
µ
PC1906
16.5 to 30
1, 0.694
µ
PC1900
12 to 30
6.6 V
TYP
.
(shunt type)
1.225, 0.775
0.15
(T
a
=75
¦
C)
Can operate up
Totem pole circuit configuration
to 500 kHz
Single mode
General purpose
Can operate up
Totem pole circuit configuration
to 500 kHz
Single mode
General purpose
Can operate up
Totem pole circuit configuration
to 500 kHz
Single mode
General purpose
Can operate up
Totem pole circuit configuration
to 500 kHz
Single mode
General purpose
Can operate up
Totem pole circuit configuration
to 500 kHz
2 outputs
General purpose
Single mode
TV/VCR
µ
PC1394
µ
PC1100
3.6 to 40
25
1, 0.694
µ
PC1150
3.6 to 40
25
1, 0.694
2 outputs (synchronous
control possible)
DC/DC converter
If one output is shorted, both
outputs will be turned OFF.
2 outputs (synchronous control
possible)
DC/DC converter
If one output is shorted, only
the output will be turned OFF.
*1 :
µ
PC494G is 375 mil.
µ
PC494GS is 300 mil.
2
*2 : When mounted on 5
5 cm (1.6 mm thick) glass epoxy board.
Functional Block
Function
Analog
Multiplexer
Type number
Features
Single-pole 8 position mode/double-pole 4 position mode
Supply Voltage: 44 V, ON Resistance: 270 ½ TYP.
CR Timer, Operating Temperature: –20 ~ +80°C
Supply Voltage: 4.5 ~ 16 V, Free Running Frequency: 0.1 ~ 100 kHz
CR Timer, Operating Temperature: –20 ~ +80°C
Supply Voltage: 4.5 ~ 16 V, Free Running Frequency: 0.1 ~ 100 kHz
CMOS CR Timer, CMOS Type of
µ
PC1555
Supply Voltage: 3 ~ 16 V, Free Running Frequency: 0.1 ~ 500 kHz
CMOS CR Timer
µ
Dual Type of
µ
PD5555
Sample and Hold, Operating Temperature: 0 ~ +70°C
Supply voltage: ±5 ~ ±15 V, Acquisition Time: 2.5
µ
s TYP.
Sample and Hold, Operating Temperature: –20 ~ +70°C
Supply voltage: ±5 ~ ±15 V, Acquisition Time: 2.5
µ
s TYP.
Package
24-pin shrink DIP
24-pin SOP
8-pin DIP
8-pin SOP
8-pin DIP
8-pin SOP
8-pin DIP
8-pin SOP
8-pin DIP
8-pin SOP
µ
PD5205
µ
PC1555
Precision
Timer
µ
PC617
µ
PD5555
µ
PD5556
Sample and
Hold
µ
PC398
µ
PC649
• 8-pin DIP
• 8-pin DIP
125
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