NCP1010, NCP1011,
NCP1012, NCP1013,
NCP1014
Self-Supplied Monolithic
Switcher for Low Standby-
Power Offline SMPS
The NCP101X series integrates a fixed−frequency current−mode
controller and a 700 V MOSFET. Housed in a PDIP−7 or SOT−223
package, the NCP101X offers everything needed to build a rugged and
low−cost power supply, including soft−start, frequency jittering,
short−circuit protection, skip−cycle, a maximum peak current setpoint
and a Dynamic Self−Supply (no need for an auxiliary winding).
Unlike other monolithic solutions, the NCP101X is quiet by nature:
during nominal load operation, the part switches at one of the available
frequencies (65 − 100 − 130 kHz). When the current setpoint falls
below a given value, e.g. the output power demand diminishes, the IC
automatically enters the so−called skip−cycle mode and provides
excellent efficiency at light loads. Because this occurs at typically 1/4
of the maximum peak value, no acoustic noise takes place. As a result,
standby power is reduced to the minimum without acoustic noise
generation.
Short−circuit detection takes place when the feedback signal fades
away, e.g. in true short−circuit conditions or in broken Optocoupler
cases. External disabling is easily done either simply by pulling the
feedback pin down or latching it to ground through an inexpensive
SCR for complete latched−off. Finally soft−start and frequency
jittering further ease the designer task to quickly develop low−cost and
robust offline power supplies.
For improved standby performance, the connection of an auxiliary
winding stops the DSS operation and helps to consume less than
100 mW at high line. In this mode, a built−in latched overvoltage
protection prevents from lethal voltage runaways in case the
Optocoupler would brake. These devices are available in economical
8−pin dual−in−line and 4−pin SOT−223 packages.
Features
www.onsemi.com
MARKING
DIAGRAMS
4
4
1
SOT−223
CASE 318E
ST SUFFIX
1
AYW
101xy
G
G
8
1
x
y
PDIP−7
CASE 626A
AP SUFFIX
1
P101xAPyy
AWL
YYWWG
= Current Limit (0, 1, 2, 3, 4)
= Oscillator Frequency
A (65 kHz), B (100 kHz), C (130 kHz)
yy
= 06 (65 kHz), 10 (100 kHz), 13 (130 kHz)
A
= Assembly Location
WL
= Wafer Lot
YY, Y = Year
WW, W = Work Week
G
or G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 21 of this data sheet.
•
Built−in 700 V MOSFET with Typical R
DSon
of 11
W
•
•
•
•
•
•
•
and 22
W
Large Creepage Distance Between High−Voltage Pins
Current−Mode Fixed Frequency Operation:
65 kHz – 100 kHz − 130 kHz
Skip−Cycle Operation at Low Peak Currents Only:
No Acoustic Noise!
Dynamic Self−Supply, No Need for an Auxiliary
Winding
Internal 1.0 ms Soft−Start
Latched Overvoltage Protection with Auxiliary
Winding Operation
Frequency Jittering for Better EMI Signature
•
Auto−Recovery Internal Output Short−Circuit
•
•
•
•
•
Protection
Below 100 mW Standby Power if Auxiliary Winding
is Used
Internal Temperature Shutdown
Direct Optocoupler Connection
SPICE Models Available for TRANsient Analysis
These are Pb−Free and Halide−Free Devices
Typical Applications
•
Low Power AC/DC Adapters for Chargers
•
Auxiliary Power Supplies (USB, Appliances,TVs, etc.)
©
Semiconductor Components Industries, LLC, 2014
1
October, 2016 − Rev. 24
Publication Order Number:
NCP1010/D
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
PIN CONNECTIONS
PDIP−7
V
CC
1
NC 2
GND 3
FB 4
(Top View)
5 DRAIN
8 GND
7 GND
V
CC
FB
DRAIN
1
2
3
(Top View)
4
GND
SOT−223
Indicative Maximum Output Power from NCP1014
R
DSon
− Ip
11
W
− 450 mA DSS
11
W
− 450 mA Auxiliary Winding
230 Vac
14 W
19 W
100 − 250 Vac
6.0 W
8.0 W
1. Informative values only, with: Tamb = 50°C, Fswitching = 65 kHz, circuit mounted on minimum copper area as recommended.
Vout
+
+
100−250 Vac
1
2
3
8
7
+
4
5
NCP101X
GND
Figure 1. Typical Application Example
Quick Selection Table
NCP1010
R
DSon
[W]
Ipeak [mA]
Freq [kHz]
65
100
100
130
65
22
250
100
130
65
250
100
130
65
NCP1011
NCP1012
NCP1013
11
350
100
130
65
450
100
NCP1014
www.onsemi.com
2
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
PIN FUNCTION DESCRIPTION
Pin No.
(SOT−223)
1
Pin No.
(PDIP−7)
1
Pin Name
V
CC
Function
Powers the Internal Circuitry
Description
This pin is connected to an external capacitor of typic-
ally 10
mF.
The natural ripple superimposed on the
V
CC
participates to the frequency jittering. For im-
proved standby performance, an auxiliary V
CC
can be
connected to Pin 1. The V
CC
also includes an active
shunt which serves as an opto fail−safe protection.
−
−
By connecting an optocoupler to this pin, the peak
current setpoint is adjusted accordingly to the output
power demand.
The internal drain MOSFET connection.
−
−
−
−
−
2
2
3
4
NC
GND
FB
−
The IC Ground
Feedback Signal Input
3
−
−
4
5
−
7
8
Drain
−
GND
GND
Drain Connection
−
The IC Ground
The IC Ground
V
CC
V
CC
1
Vclamp*
IV
CC
I?
Startup Source
Drain
Iref = 7.4 mA
IV
CC
−
+
Rsense
8 GND
UVLO
Management
High when V
CC
t
3 V
S
R
Q
Reset
250 ns
L.E.B.
NC 2
4V
EMI Jittering
65, 100 or
130 kHz
Clock
7
Set
Flip−Flop
DCmax = 65%
Reset
Q
Driver
GND
18 k
Error flag armed?
GND 3
+
−
0.5 V
Overload?
Soft−Start
FB 4
Startup Sequence
Overload
−
+
V
CC
+
-
Drain
5 Drain
*Vclamp = VCC
OFF
+ 200 mV (8.7 V Typical)
Figure 2. Simplified Internal Circuit Architecture
www.onsemi.com
3
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
Á
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
MAXIMUM RATINGS
Rating
Symbol
V
CC
−
Value
Unit
V
V
Power Supply Voltage on all pins, except Pin 5 (Drain)
Drain Voltage
−0.3 to 10
−0.3 to 700
550
1.0
15
Drain Current Peak during Transformer Saturation
NCP1010/11
NCP1012/13/14
I
DS(pk)
I_V
CC
mA
A
mA
°C/W
R
qJL
R
qJA
9.0
77
60
Maximum Current into Pin 1 when Activating the 8.7 V Active Clamp
Thermal Characteristics
P Suffix, Case 626A
Junction−to−Lead
Junction−to−Air, 2.0 oz (70
mm)
Printed Circuit Copper Clad
0.36 Sq. Inch (2.32 Sq. Cm)
1.0 Sq. Inch (6.45 Sq. Cm)
ST Suffix, Plastic Package Case 318E
Junction−to−Lead
Junction−to−Air, 2.0 oz (70
mm)
Printed Circuit Copper Clad
0.36 Sq. Inch (2.32 Sq. Cm)
1.0 Sq. Inch (6.45 Sq. Cm)
Maximum Junction Temperature
Storage Temperature Range
ESD Capability, Human Body Model (All pins except HV)
ESD Capability, Machine Model
R
qJL
R
qJA
14
74
55
150
−60 to +150
2.0
200
°C
°C
kV
V
T
Jmax
−
−
−
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
ELECTRICAL CHARACTERISTICS
(For typical values T
J
= 25°C, for min/max values T
J
= −40°C to +125°C, Max T
J
= 150°C,
V
CC
= 8.0 V unless otherwise noted.)
Rating
SUPPLY SECTION AND V
CC
MANAGEMENT
V
CC
Increasing Level at which the Current Source Turns−off
V
CC
Decreasing Level at which the Current Source Turns−on
Hysteresis between VCC
OFF
and VCC
ON
V
CC
Decreasing Level at which the Latch−off Phase Ends
V
CC
Decreasing Level at which the Internal Latch is Released
Internal IC Consumption, MOSFET Switching at 65 kHz (Note 2)
Internal IC Consumption, MOSFET Switching at 100 kHz (Note 2)
Internal IC Consumption, MOSFET Switching at 130 kHz (Note 2)
Internal IC Consumption, Latch−off Phase, V
CC
= 6.0 V
Active Zener Voltage Positive Offset to VCC
OFF
Latch−off Current
NCP1012/13/14
NCP1010/11
POWER SWITCH CIRCUIT
Power Switch Circuit On−state Resistance
NCP1012/13/14 (Id = 50 mA)
T
J
= 25°C
T
J
= 125°C
NCP1010/11 (Id = 50 mA)
T
J
= 25°C
T
J
= 125°C
2. See characterization curves for temperature evolution.
3. Adjust di/dt to reach Ipeak in 3.2
msec.
4. See characterization curves for temperature evolution.
5
R
DSon
−
11
19
22
38
16
24
35
50
W
0°C < T
J
< 125°C
−40°C < T
J
< 125°C
0°C < T
J
< 125°C
−40°C < T
J
< 125°C
1
1
1
1
1
1
1
1
1
1
1
VCC
OFF
VCC
ON
−
VCC
latch
VCC
reset
ICC1
ICC1
ICC1
ICC2
Vclamp
ILatch
6.3
5.8
5.8
5.3
7.4
7.4
7.3
7.3
9.2
9.2
9.0
9.0
7.9
6.9
−
4.4
−
−
−
−
−
140
8.5
7.5
1.0
4.7
3.0
0.92
0.95
0.98
290
200
9.1
8.1
−
5.1
−
1.1
1.15
1.2
−
300
V
V
V
V
V
mA
mA
mA
mA
mV
mA
Pin
Symbol
Min
Typ
Max
Unit
www.onsemi.com
4
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
ELECTRICAL CHARACTERISTICS
(For typical values T
J
= 25°C, for min/max values T
J
= −40°C to +125°C, Max T
J
= 150°C,
V
CC
= 8.0 V unless otherwise noted.)
Rating
POWER SWITCH CIRCUIT
Power Switch Circuit and Startup Breakdown Voltage
(ID
(off)
= 120
mA,
T
J
= 25°C)
Power Switch and Startup Breakdown Voltage Off−state Leakage Current
T
J
= −40°C (Vds = 650 V)
T
J
= 25°C (Vds = 700 V)
T
J
= 125°C (Vds = 700 V)
Switching Characteristics (RL = 50
W,
Vds Set for Idrain = 0.7 x Ilim)
Turn−on Time (90%−10%)
Turn−off Time (10%−90%)
INTERNAL STARTUP CURRENT SOURCE
High−voltage Current Source, V
CC
= 8.0 V
NCP1012/13/14
0°C < T
J
< 125°C
−40°C < T
J
< 125°C
NCP1010/11
0°C < T
J
< 125°C
−40°C < T
J
< 125°C
High−voltage Current Source, V
CC
= 0
Minimum Start−up Drain Voltage (I
start
= 0.5 mA, V
cc
= V
cc(on)
− 0.2 V)
CURRENT COMPARATOR
T
J
= 25°C (Note 2)
Maximum Internal Current Setpoint, NCP1010 (Note 3)
Maximum Internal Current Setpoint, NCP1011 (Note 3)
Maximum Internal Current Setpoint, NCP1012 (Note 3)
Maximum Internal Current Setpoint, NCP1013 (Note 3)
Maximum Internal Current Setpoint, NCP1014 (Note 3)
Default Internal Current Setpoint for Skip−Cycle Operation, Percentage of
Max Ip
Propagation Delay from Current Detection to Drain OFF State
Leading Edge Blanking Duration
INTERNAL OSCILLATOR
Oscillation Frequency, 65 kHz Version, T
J
= 25°C (Note 4)
Oscillation Frequency, 100 kHz Version, T
J
= 25°C (Note 4)
Oscillation Frequency, 130 kHz Version, T
J
= 25°C (Note 4)
Frequency Dithering Compared to Switching Frequency
(with active DSS)
Maximum Duty−cycle
FEEDBACK SECTION
Internal Pull−up Resistor
Internal Soft−Start (Guaranteed by Design)
SKIP−CYCLE GENERATION
Default Skip Mode Level on FB Pin
TEMPERATURE MANAGEMENT
Temperature Shutdown
Hysteresis in Shutdown
2. See characterization curves for temperature evolution.
3. Adjust di/dt to reach Ipeak in 3.2
msec.
4. See characterization curves for temperature evolution.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
−
−
TSD
−
140
−
150
50
160
−
°C
°C
4
Vskip
−
0.5
−
V
4
−
Rup
Tss
−
−
18
1.0
−
−
kW
ms
−
−
−
−
−
f
OSC
f
OSC
f
OSC
f
dither
Dmax
59
90
117
−
62
65
100
130
"3.3
67
71
110
143
−
72
kHz
kHz
kHz
%
%
5
5
5
5
5
−
−
−
Ipeak (22)
Ipeak (22)
Ipeak (11)
Ipeak (11)
Ipeak (11)
I
Lskip
T
DEL
T
LEB
90
225
225
315
405
−
−
−
100
250
250
350
450
25
125
250
110
275
275
385
495
−
−
−
mA
mA
mA
mA
mA
%
ns
ns
1
IC1
5.0
5.0
5.0
5.0
1
5
IC2
V
start(min)
−
−
8.0
8.0
8.0
8.0
10
15
10
11
10.3
11.5
−
−
mA
V
mA
5
BVdss
I
DS(OFF
)
5
5
5
5
5
−
−
−
ton
toff
−
−
70
50
30
20
10
120
−
−
ns
−
−
700
−
−
V
mA
Pin
Symbol
Min
Typ
Max
Unit
www.onsemi.com
5
测试/测量
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
