ncp1209p77 ON Semiconductor, ncp1209p77 Datasheet - Page 3

• Manufacturer Part Number: ncp1209p77
• Description: Pwm Voltage Mode Controller
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
Output Section
Control Input Section
Current Sense Section
Oscillator Section
Overvoltage Section
Output Resistor
Output Voltage Rise Time (from 3 V up to 8 V)
Output Voltage Falling Edge Slew–Rate (from 8 V down to 3 V)
Duty Cycle @ I
Duty Cycle @ I
Control Input Clamp Voltage (Switching phase) @ I
Latched–off Phase Control Input (stand–by) @ I
Latched–off Phase Control Input (stand–by) @ I
Internal Pin3 Resistance
(I
(I
Maximum Sense Input Threshold
Input Bias Current
Current Sense Source Current during Start–up Phase
Stand–by Current Sense Input Current
LEB + Propagation Delay (P45)
LEB + Propagation Delay (P65)
LEB + Propagation Delay (P77)
Current Sense Propagation Delay (Pin2 to OUT) (P45)
Current Sense Propagation Delay (Pin2 to OUT) (P65)
Current Sense Propagation Delay (Pin2 to OUT) (P77)
Leading Edge Blanking T
Leading Edge Blanking T
Leading Edge Blanking T
Normal Operation Frequency (P45)
Normal Operation Frequency (P65)
Normal Operation Frequency (P77)
Maximum Duty Cycle @ f = f
OVP threshold level on V
Sink
Source
supply
supply
– I
– I
CC
CC
) / I
) / I
pin3
pin3
pin3
pin3
= 450 A
= 225 A
(75 A)
(75 A)
CC
DLY
DLY
DLY
osc
– T
– T
– T
Characteristic
prg
prg
prg
(P45)
(P65)
(P77)
(V
CC
= 10 V, T
pin3
pin3
pin3
= 75 A
= 37 A
= –225 A
J
http://onsemi.com
= 0 C up 105 C, Output Loaded with 1 nF)
NCP1209
3
V
V
Symbol
I
D
D
I
V
K3(75)
K3(37)
LP–STBY
LP–STBY
V
CS–stup
CS–stby
V
I
T
T
T
T
T
T
d
R
R
cc–ovp
R
450 A
225 A
T
T
T
CS–th
B–cs
f
f
f
shunt
osc
osc
osc
DLY
DLY
DLY
LEB
LEB
LEB
max
t
int3
prg
prg
prg
OH
t
OL
r
f
60.45
TBD
4.65
TBD
–1.8
TBD
TBD
TBD
TBD
TBD
TBD
41.8
71.6
15.9
Min
180
0.9
97
76
5
–
–
–
–
–
–
–
–
–
–
–
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
16.4
Typ
200
100
350
175
8.5
4.9
1.0
15
50
50
43
20
20
45
65
77
80
–
2
–
69.55
TBD
TBD
+1.8
TBD
TBD
TBD
TBD
TBD
TBD
Max
5.15
1.05
48.1
82.4
16.9
220
103
15
84
–
–
–
0
–
–
–
–
–
–
–
Unit
kHz
kHz
kHz
mA
mA
mA
k
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
W
%
%
%
V
V
V
V
V
–
–