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AN8015SH Datasheet(Fiches technique) 4 Page - Panasonic Semiconductor

Numéro de pièce AN8015SH
Description  Single-channel step-down, step-up, or inverting use DC-DC converter control IC
Télécharger  14 Pages
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Fabricant  PANASONIC [Panasonic Semiconductor]
Site Internet  http://www.panasonic.com/industrial/
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AN8015SH Datasheet(HTML) 4 Page - Panasonic Semiconductor

 
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AN8015SH
Voltage Regulators
s Terminal Equivalent Circuits
Pin No.
Equivalent circuit
Description
I/O
1
CT:
O
The terminal used for connecting a timing capaci-
tor to set oscillation frequency.
Use a capacitance value within the range of 100 pF
to 27 000 pF.
Use a oscillation frequency in the range of 2 kHz
to 500 kHz.
2
RT:
I
The terminal used for connecting a timing resistor
to set oscillation frequency.
Use a resistance value within the range of 5.6 k
to 15 k
Ω . The terminal voltage is 0.5 V typ.
3
S.C.P.:
O
The terminal used for connecting a capacitor to set
the time constant of soft start and timer latch short-
circuit protection circuit.
Use a capacitance value in the range of more than
1 000 pF.
The charge current is about 1.1 mA at RT = 15 kΩ
ICHG =
VRT × 1 [A]
RT
30
4
GND:
Grounding terminal
VREF
OSC
comp.
To PWM input
IO
1
210
VREF
RT(VRT ≈ 0.5 V)
100
2
OSC PWM
S.C.P.
Q
S
1.83 V
R
VREF
ICHG
S.C.P.
CT
PWM
3
Latch
4
s Electrical Characteristics at VCC = 12 V, RT = 15 Ω, CT = 200 pF, Ta = 25°C (continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Short-circuit protection circuit block
Input threshold voltage
VTHPC
1.73
1.83
1.93
V
Input standby voltage
VSTBY
1.15
1.25
1.35
V
Input latch voltage
VIN
30
120
mV
Charge current
ICHG
VSCP = 0 V
−1.32 −1.1 − 0.88
µA
Comparator threshold voltage
VTHL
1.83
V
Whole device
Total consumption current
ICC
RT = 15 kΩ
1.8
2.8
mA
Total consumption current 2
ICC2
RT = 5.6 kΩ, CT = 150 pF
2.5
mA


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