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ADP1071-1 Datasheet(Fiches technique) 3 Page - Analog Devices

Numéro de pièce ADP1071-1
Description  Isolated Synchronous Flyback Controller
Télécharger  27 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
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Data Sheet
ADP1071-1/ADP1071-2
Rev. B | Page 3 of 27
SPECIFICATIONS
ADP1071-1: VREG1 = 9 V, VDD2 = 12 V, TA = −40°C to +125°C, unless otherwise noted. ADP1071-2: VIN = 24 V, VDD2 = 12 V, TA =
−40°C to +125°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
ADP1071-1 SUPPLY
(PRIMARY)
Supply Voltage
VREG1
1 µF capacitor from VREG1 to AGND1
4.7
8
12.5
V
Quiescent Supply
Current
IVREG1
VREG1 > VREG1 UVLO, GATE pin unloaded
At 100 kHz
3.8
mA
At 300 kHz
4.6
mA
At 600 kHz
6.8
mA
IVREG1
VREG1 > VREG1 UVLO, GATE pin loaded
with 2.2 nF
At 100 kHz
5.5
mA
At 300 kHz
10
mA
At 600 kHz
16.6
mA
VREG1 Start-Up Current
IVREG1_STARTUP
VEN < 1.2 V
160
µA
VREG1 UVLO
VREG1 rising
4.7
V
VREG1 falling
4
V
UVLO Hysteresis
0.19
V
ADP1071-2 SUPPLY
(PRIMARY)
Supply Voltage
VIN
4.7 µF capacitor from VIN to AGND1,
1 µF capacitor from VREG1 to AGND1
4.7
24
60
V
Quiescent Supply
Current
IVIN
VIN > VIN UVLO, GATE pin unloaded
At 100 kHz
3.8
mA
At 300 kHz
4.4
mA
At 600 kHz
6.8
mA
IVIN
VIN > VIN UVLO, GATE pin loaded with
2.2 nF
At 100 kHz
5.5
mA
At 300 kHz
11
mA
At 600 kHz
22
mA
VIN Shutdown Current
EN pin voltage (VEN) < 1.2 V, VREG1 = 0 V,
VIN = 60 V
55
µA
VIN and VREG1 Start-Up
Current
IVIN_STARTUP
VEN < 1.2 V, VREG1 = 12 V, VIN = 12 V
160
µA
VIN UVLO
VIN rising
4.7
V
VIN falling
4
V
UVLO Hysteresis
0.19
V
SWITCHING TIME
Time from EN High to
GATE Output
Switching
VEN > 1.2 V, 1 µF capacitor on VREG1
1
ms
Time from EN Low to
GATE Output Stops
Switching
VEN < 1.0 V, 1 µF capacitor on VREG1
1
µs




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