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ADP1074ACCZ-R7 Scheda tecnica(PDF) 4 Page - Analog Devices

Il numero della parte ADP1074ACCZ-R7
Spiegazioni elettronici  Isolated, Synchronous Forward Controller with Active Clamp and iCoupler
PDF  32 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

ADP1074ACCZ-R7 Scheda tecnica(HTML) 4 Page - Analog Devices

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ADP1074
Data Sheet
Rev. D | Page 4 of 32
SPECIFICATIONS
VIN = 24 V, VDD2 = 12 V, TJ = −40°C to +125°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
SUPPLY (PRIMARY)
Supply Voltage
VIN
4.7 μF capacitor from VIN to PGND1,
1 μF capacitor from VREG1 to PGND1
4.7
24
60
V
Quiescent Supply Current
IVIN
VIN > VIN UVLO, NGATE and PGATE
unloaded
At 100 kHz
5.3
mA
At 300 kHz
5.8
mA
At 600 kHz
6.8
mA
VIN > VIN UVLO, NGATE and PGATE
loaded with 2.2 nF and 410 pF,
respectively
At 100 kHz
7.5
mA
At 300 kHz
12
mA
At 600 kHz
19.5
mA
VIN Shutdown Current
EN pin voltage (VEN) < 1.2 V, VREG1 = 0 V,
VIN = 60 V
55
μA
(VIN + 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
4.0
V
UVLO Hysteresis
0.19
V
Time from EN High to PGATE
Output Switching
VEN > 1.2 V, 1 μF capacitor on VREG1
1
ms
Time from EN Low to SR1/SR2
Output Stops Switching
VEN < 1.0 V, 1 μF capacitor on VREG1
1
μs
SUPPLY (SECONDARY)
Supply Voltage
VDD2
4.7 μF capacitor from VDD2 to PGND2,
1 μF capacitor from VREG2 to PGND2
4.5
12
36
V
Quiescent Supply Current
IDD2
SR1 and SR2 unloaded
At 100 kHz
6.5
mA
At 300 kHz
6.7
mA
At 600 kHz
7
mA
IDD2
SR1 and SR2 loaded with 2.2 nF
At 100 kHz
8.3
mA
At 300 kHz
12
mA
At 600 kHz
18
mA
VDD2 UVLO Threshold
VDD2 rising
3.55
V
VDD2 falling
3.0
V
UVLO Hysteresis
0.145
V
Secondary UVLO Hiccup Time
200
ms
OSCILLATOR
Switching Frequency (fS)
RT resistance (RRT) = 480 kΩ (±1%)
50 − 10%
50
50 + 10%
kHz
RRT = 240 kΩ (±1%)
100 − 10%
100
100 + 10%
kHz
RRT = 120 kΩ (±1%)
200 − 10%
200
200 + 10%
kHz
RRT = 80 kΩ (±1%)
300 − 10%
300
300 + 10%
kHz
RRT = 60 kΩ (±1%)
400 − 10%
400
400 + 10%
kHz
RRT = 40 kΩ (±1%)
600 − 10%
600
600 + 10%
kHz
VREG1 PIN
VREG1 Voltage Clamp
VREG1 current (IVREG1) = 3 mA, VEN < 1.2 V
13.5
14.3
15.2
V
VREG1 Clamp Series Resistance
VREG1 forced current of 5 mA and 15 mA
16
Ω



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