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AN8017SA Datasheet(Fiches technique) 6 Page - Panasonic Semiconductor

Numéro de pièce AN8017SA
Description  1.8-volt 2-channel step-up DC-DC converter control IC
Télécharger  25 Pages
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Fabricant  PANASONIC [Panasonic Semiconductor]
Site Internet  http://www.panasonic.com/industrial/
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AN8017SA Datasheet(HTML) 6 Page - Panasonic Semiconductor

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AN8017SA
Voltage Regulators
6
s Terminal Equivalent Circuits
Pin No.
Equivalent circuit
Description
I/O
1
OSC:
O
The terminal used for connecting a timing capaci-
tor/resistor to set oscillation frequency.
Use a capacitance value within the range of 100 pF
to 10 000 pF and a resistance value within the range
of 1 k
Ω to 51 kΩ. Use an oscillation frequency in the
range of 20 kHz to 1 MHz. In a parallel synchronous
operation, the channel 2 output stops when this pin
becomes 0.9 V or more.
(Refer to the "Application Notes, [7]" section.)
2
S.C.P.:
O
The terminal for connecting a capacitor to set the
time constant of the timer latch short-circuit protec-
tion circuit. Use a capacitance value in the range of
1 000 pF or more. The charge current ICHG is 1.1 µA
typical.
3IN
−1:
I
The inverting input pin for error amplifier 1 block.
s Electrical Characteristics at VCC = 2.4 V, CREF = 0.1 µF, Ta = 25°C (continued)
• Design reference data (continued)
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Short-circuit protection block
Comparator threshold voltage
VTHL
1.19
V
On/off control block
Off terminal current
IOFF
23
µA
Q
S
Latch
0.2 V
R
VCC
1
Q
S
Latch
1.19 V
R
1.1
µA
Output
cut-off
VCC
2
2 k
100
VCC
1.19 V
3


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