NCP1392BDR2G ON Semiconductor, NCP1392BDR2G Datasheet - Page 15

• Manufacturer Part Number: NCP1392BDR2G
• Description: HV HALF-BRIDGE DRIVER
• Manufacturer: ON Semiconductor
• Type: High Side/Low Sider
• Series: -r

Specifications of NCP1392BDR2G

• Rise Time: 40 ns
• Fall Time: 20 ns
• Supply Voltage (min): 8 V
• Mounting Style: SMD/SMT
• Bridge Type: Half Bridge
• Number Of Drivers: 2
• Number Of Outputs: 2
• Input Type: Non-Inverting
• On-state Resistance: -
• Current - Output / Channel: -
• Current - Peak Output: 1A
• Voltage - Supply: 16V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

application by adding two bipolar transistors (Figure 14).
Transistor Q2 pullup BO input when dimming signal is high.
The dimming feature can be easily aid to the ballast
Dimming
Input
Figure 30. Dimming Feature Implementation Using Nonlatched Input on BO Terminal
R1
R2
R3
Q1
R4
D1
V
Q2
CC
C
R
SS
fstart
V
bulk
R
R
upper
lower
R
t
http://onsemi.com
BO
Rt
I
hyste
15
SW
In the same time the Q1 discharges soft start capacitor via
diode D1. Ballast application is enabled (including
soft−start phase) when dimming signal becomes low again.
+
−
+
−
V
V
refEN
refBO
+
−
−
+
GND
High Level for 50 ms after V
NCP1392
0.5ms
Filter
20ms
Filter
CC
ON
To PFC Delay
to AND gates
to AND gates