ncp1230a ON Semiconductor, ncp1230a Datasheet - Page 5

• Manufacturer Part Number: ncp1230a
• Description: Low?standby Power Soft Skip Mode Controller
• Manufacturer: ON Semiconductor

3. Verified by Design.
ELECTRICAL CHARACTERISTICS
V
Supply Section (All frequency versions, otherwise noted)
Internal Startup Current Source
Drive Output
Current Comparator and Thermal Shutdown
Turn−On Threshold Level, V
Minimum Operating Voltage after Turn−On
V
V
Internal IC Consumption, No Output Load on Pin 6 (V
Internal IC Consumption, 1.0 nF Output Load on Pin 6, F
Internal IC Consumption, 1.0 nF Output Load on Pin 6, F
Internal IC Consumption, 1.0 nF Output Load on Pin 6, F
Internal IC Consumption, Latch−Off Phase
High−Voltage Current Source, 1.0 nF Load
High−Voltage Current Source (V
Minimum Startup Voltage (I
Startup Leakage
Output Voltage Rise−Time @ C
Output Voltage Fall−Time @ C
Source Resistance, R
Sink Resistance, at 1.0 V on Pin 5 (V
Pin 1 Output Impedance (or R
Input Bias Current @ 1.0 V Input Level on Pin 3
Maximum Internal Current Setpoint
Default Internal Setpoint for Skip Cycle Operation and Standby
Default Internal Setpoint to Leave Standby
Propagation Delay from CS Detected to Gate Turned Off (V
Leading Edge Blanking Duration
Soft−Start Period / Soft Skip Period (Note 3)
Temperature Shutdown, Maximum Value (Note 3)
Hysteresis while in Temperature Shutdown (Note 3)
CC
(V
(V
is closed) R
Detection
(Pin 5 Loaded by 1.0 nF)
CC
CC
fb
CCOFF
= 13 V, V
Decreasing Level at which the Latch−Off Phase Ends (V
Level at which the Internal Logic gets Reset
= 2.5 V)
−0.2 V, V
PIN8
load
on Pin 1 = 680 W
= 30 V unless otherwise noted.)
fb
= 2.5 V, V
Load
300 W (V
c
Characteristic
CC
= 0.5 mA, V
dson
L
PIN8
L
Going Up (V
= 1.0 nF, 10−90% of Output Signal
CC
= 1.0 nF, 10−90% of Output Signal
between Pin 1 and Pin 6 when SW1
= 0 V)
fb
= 30 V)
fb
= 2.5 V)
= 3.5 V)
CCOFF
(For typical values T
fb
= 2.0 V)
−0.2 V, V
Tj = −40°C to +125°C
fb
= 2.5 V)
SW
SW
SW
http://onsemi.com
fb
= 2.5 V)
Gate
= 65 kHz
= 100 kHz
= 133 kHz
J
fb
= 25°C, for min/max values T
Tj = 25°C
= 3.5 V)
= 10 V)
5
T
V
V
Symbol
V
V
T
V
V
I
SD
RPFC
HVLeak
CC(min)
stby−out
CClatch
CCreset
DEL CS
CCOFF
V
T
R
I
I
I
I
I
I
HVmin
R
T
CC1
CC2
CC2
CC2
CC3
Limit
SS
I
I
I
LEB
C1
C2
T
T
skip
OH
IB
SD
OL
hyste
r
f
J
Pin
= −40°C to +125°C, Max T
6
6
6
6
6
6
6
6
6
8
8
8
8
5
5
5
5
1
3
3
3
−
3
3
−
−
−
1.010
0.979
11.6
Min
400
600
100
150
7.0
5.0
0.6
1.3
1.3
1.3
1.8
1.8
6.0
3.0
6.0
1.0
10
−
−
−
−
−
−
−
−
1.063
12.6
12.3
0.02
1.25
11.7
Typ
680
750
200
165
7.7
5.6
4.0
1.1
1.8
2.2
2.8
3.2
4.4
7.5
2.5
20
30
40
15
90
25
−
J
1.127
1.116
1000
Max
13.6
= 150°C,
900
180
350
8.4
6.2
1.8
2.5
3.0
3.3
4.2
5.6
1.5
23
80
25
18
23
−
−
−
−
−
−
−
Unit
mA
mA
mA
mA
mA
mA
mV
ms
mA
mA
mA
ns
ns
ns
ns
°C
°C
W
W
W
V
V
V
V
V
V
V