NTE1765 Просмотр технического описания (PDF) - NTE Electronics
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NTE1765 Datasheet PDF : 4 Pages
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Electrical Characteristics (Cont’d): (VCC = 15V (Note 2), RT = 8.2kΩ, CT = 3.3nF, Note 3 unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Drive Output 2 Enable Pin
Enable Pin Voltage
High State
Low State
Low State Input Current
Drive Outputs
VIH
Output 2 Enabled
VIL
Output 2 Disabled
IIB
VIL = 0V
3.5 – Vref V
0
– 1.5 V
100 250 400 µA
Output Voltage
Low State
High State
Output Voltage with UVLO Activated
Output Voltage Rise Time
Output Voltage Fall Time
Undervoltage Lockout Section
VOL
VOH
VOL(UVLO)
tr
tf
ISink = 20mA
ISink = 200mA
ISource = 20mA
ISource = 200mA
VCC = 6V, ISink = 1mA
CL = 1nF
CL = 1nF
– 0.1 0.4 V
– 1.6 2.5 V
13.0 13.5 –
V
12.0 13.4 –
V
– 0.1 1.1 V
– 28 150 ns
– 25 150 ns
Start–Up Threshold
Min. Operating Voltage After Turn–On
Total Device
Vth
VCC(min)
13 14 15 V
9.0 10.0 11.0 V
Power Supply Current
Start–Up
Operating
ICC
VCC = 12V
Note 2
– 0.6 1.0 mA
– 20 25 mA
Power Supply Zener Voltage
VZ
ICC = 30mA
15.5 17.0 19.0 V
Note 2. Adjust VCC above the Start–Up threshold before setting to 15V.
Note 3. For typical values, TA = +25C; for Min/Max values, TA = 0° to +70°C. Low duty cycle pulse
techniques are used during test to maintain junction temperature as close to ambient as pos-
sible.
Pin Connection Diagram
Sync Input 1
CT 2
RT 3
Voltage Feedback 1 4
Compensation 1 5
Current Sense 1 6
Drive Output 1 7
GND 8
16 VCC
15 Vref
14 Drive Output 2 Enable
13 Voltage Feedback 2
12 Compensation 2
11 Current Sense 2
10 Drive Output 2
9 Drive GND
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