ncp1231d65r2g ON Semiconductor, ncp1231d65r2g Datasheet - Page 5

• Manufacturer Part Number: ncp1231d65r2g
• Description: Lowstandby Power High Performance Pwm Controller
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
V
Supply Section (All frequency versions, otherwise noted)
Drive Output
Current Comparator (Pin 5 unloaded)
Internal Oscillator
Feedback Section (V
TurnïOn Threshold Level, V
Minimum Operating Voltage after TurnïOn
V
Startup Current (V
Internal IC Consumption, No Output Load on Pin 6 (V
Internal IC Consumption, 1.0 nF Output Load on Pin 5, F
Internal IC Consumption, 1.0 nF Output Load on Pin 5, F
Internal IC Consumption, 1.0 nF Output Load on Pin 5, F
Internal IC Consumption, LatchïOff Phase
Output Voltage RiseïTime @ C
Output Voltage FallïTime @ C
Source Resistance (R
Sink Resistance, at 1.0 V on Pin 5 (V
Pin1 Output Impedance (or R
R
Input Bias Current @ 1.0 V Input Level on Pin 3
Maximum Internal Current Set Point
Default Internal Set Point for Skip Cycle Operation and Standby Detection
Default Internal Set Point to Leave Standby
Propagation Delay from CS Detected to Gate Turned Off (Pin 5 Loaded by 1.0 nF)
Leading Edge Blanking Duration
Oscillation Frequency, 65 kHz version (V
Oscillation Frequency, 100 kHz version (V
Oscillation Frequency, 133 kHz version (V
Internal Modulation Swing, in Percentage of Fsw) (Typical) (Note 4)
Internal Swing Period with a 82 nF Capacitor to Pin 7) (Typical) (Note 4)
Maximum DutyïCycle
Typical SoftïStart Period with a 82 nF to Pin 7 (Note 4)
SS Charging/Discharging Current
Timer Charging Current (Typical) (Note 4)
Timer Peak Voltage
Timer Valley Voltage
Opto Current Source (V
Pin 3 to Current Setpoint Division Ratio (Note 3)
CC
CC
load
= 13 V, unless otherwise noted.)
Level at which the Internal Logic gets Reset (Note 4)
on Pin 1= 680 W
CCON
CC
Load
fb
ï0.2 V)
= 13 V)
= 0.75 V)
= 300 W, V
CC
dson
L
L
going up (V
= 1.0 nF, 10ï90% of Output Signal (Note 4)
= 1.0 nF, 10ï90% of Output Signal (Note 4)
between Pin 1 and Pin 6 when SW1 is closed)
fb
fb
Rating
= 3.5 V)
= 2.5 V)
fb
(For typical values T
fb
fb
= 2.5 V)
fb
= 2.5 V)
= 2.5 V)
= 2.0 V)
T
fb
J
= 2.5 V)
= ï40qC to +125qC
SW
SW
SW
http://onsemi.com
= 65 kHz
= 100 kHz
= 133 kHz
J
NCP1231
T
= 25qC, for min/max values T
J
= +25qC
5
V
V
Symbol
V
T
V
I
RPFC
CC(min)
stbyïout
DEL CS
CCreset
startup
D
V
T
f
f
f
I
I
I
I
I
R
I
R
I
CCON
Limit
OSC
OSC
OSC
CC1
CC2
CC2
CC2
CC3
SS
ratio
I
T
LEB
T
skip
max
ï
ï
ï
ï
ï
ï
ï
OH
IB
OL
r
f
J
= ï40qC to +125qC, Max T
Pin
6
6
6
6
6
6
6
6
6
5
5
5
5
1
3
3
3
ï
3
3
ï
ï
ï
ï
ï
ï
7
7
7
7
7
2
ï
11.3
0.75
0.95
0.93
Min
300
600
100
118
190
7.0
1.4
1.4
1.4
6.0
3.0
6.0
1.0
3.5
1.9
56
88
75
35
ï
ï
ï
ï
ï
ï
ï
ï
ï
ï
ï
12.6
12.3
0.02
1.00
1.25
r4.0
1.36
11.7
Typ
500
750
250
100
133
235
7.7
4.0
1.3
2.0
2.4
2.9
7.5
5.0
5.0
4.0
2.2
3.0
30
40
15
90
65
80
60
ï
J
= 150qC,
Max
13.8
1.05
1.07
800
900
200
350
108
140
270
8.4
2.0
2.6
3.1
3.7
1.5
4.5
2.6
50
25
18
23
69
85
75
ï
ï
ï
ï
ï
ï
ï
ï
ï
Unit
kHz
kHz
kHz
mA
mA
mA
mA
mV
ms
ms
mA
mA
mA
mA
mA
mA
ns
ns
ns
ns
%
%
W
W
W
V
V
V
V
V
V
V
ï