NCP1236AD100R2G ON Semiconductor, NCP1236AD100R2G Datasheet - Page 16

• Manufacturer Part Number: NCP1236AD100R2G
• Description: IC CTLR CURR MODE 100KHZ 7-SOIC
• Manufacturer: ON Semiconductor

Specifications of NCP1236AD100R2G

• Input Voltage: 28V
• No. Of Outputs: 1
• Voltage Regulator Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (20-Jun-2011)
• Base Number: 1236
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

V
case the V
failure, or external pull−down on V
controller).
doesn’t turn on when V
HV pin is too low (below V
condition (TSD) has been detected. In all other conditions,
CC
For safety reasons, the start−up current is lowered when
There are only two conditions for which the current source
is below V
CC
pin is shorted to GND (in case of V
CC(inhibit)
V
V
V
V
CC(inhibit)
HV(start)
V
HV(min)
CC
CC(min)
CC(on)
, to reduce the power dissipation in
DRV
V
reaches V
V
HV(min)
CC
HV
), or a thermal shutdown
CC(min)
CC
Figure 31. Start−up Timing Diagram
: the voltage on
to disable the
source =
current
CC
I
HV
start1
capacitor
http://onsemi.com
16
the HV current source will always turn on and off to maintain
V
Brown−out protection
brown−out condition is detected, and the controller stops.
The HV current source alternatively turns on and off to
maintain V
voltage is back above V
CC
When the input voltage goes below V
source =
current
between V
I
HV
start2
CC
between V
CC(min)
starting
before
V
Waits
next
CC(on)
and V
HV(start)
CC(on)
CC(on)
and V
.
time
time
time
.
CC(min)
until the input
HV(stop)
, a