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NCP1562ADR2G

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26
NCP1562A, NCP1562B
http://onsemi.com
4
PIN FUNCTION DESCRIPTION (continued)
Pin
Symbol Description
15 OUT1 Main output of the PWM Controller. OUT1 has a source resistance of 4.0 Ω (typ.) and a sink resistance
of 2.5 Ω (typ.). OUT1 is designed to handle up to 2.5 A. OUT1 trails OUT2 during a low to high
transition and leads OUT2 during a high to low transition.
16 V
AUX
Positive input supply. This pin connects to an external capacitor for energy storage. An internal current
source supplies current from V
in
to this pin. Once the voltage on V
AUX
reaches approximately 10.3 V,
the current source turns OFF and the outputs are enabled. It turns ON again once V
AUX
falls to 8.0 V. If
the bias current consumption exceeds the startup current, V
AUX
will continue to discharge. Once V
AUX
reaches 7.0 V, the outputs are disabled allowing V
AUX
to charge. During normal operation, power is
supplied to the IC via this pin by means of an auxiliary winding. The startup circuit is disabled once the
voltage on the V
AUX
pin exceeds 10.3 V. If the V
AUX
voltage drops below 1.2 V (typ), the startup
current is reduced to 200 mA.
NCP1562A, NCP1562B
http://onsemi.com
5
MAXIMUM RATINGS (Notes 1 and 2)
Rating
Symbol Value Unit
Line V oltage V
in
100 V
Auxiliary Supply, OUT1, OUT2 V
AUX
,V
outx
20 V
All Other Inputs/Outputs Voltage V
IO
10 V
All Other Inputs/Outputs Current I
IO
5.0 mA
5.0 V Reference Output Current I
REF
10 mA
5.0 V Reference Output V oltage V
REF
--0.3to6.0 V
OUT1 Peak Output Current (D = 2%) I
out1
2.5 A
OUT2 Peak Output Current (D = 2%) I
out2
1.0 A
Operating Junction Temperature T
J
–40 to +125 _C
Storage Temperature Range T
stg
–55 to +150 _C
Power Dissipation (T
A
=25_C, 2.0 Oz Cu, 1.0 Sq Inch Printed Circuit Copper Clad)
DT Suffix, Plastic Package Case 948F (TSSOP--16)
D Suffix, Plastic Package Case 751B (SO--16)
P
D
0.75
0.95
W
Thermal Resistance, Junction to Ambient (2.0 Oz Cu Printed Circuit Copper Clad)
DT Suffix, Plastic Package Case 948F (TSSOP--16)
0.36 Sq In
1.0SqIn
D Suffix, Plastic Package Case 751B (SO--16)
0.36 Sq In
1.0SqIn
R
θ
JA
155
133
120
105
_C/W
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. This device series contains ESD protection and exceeds the following tests:
Pins 2--16: Human Body Model 2000 V per MIL–STD–883, Method 3015.
Machine Model Method 160 V.
Pin 1 is the HV startup of the device and is rated to the max rating of the part, or 100 V.
2. This device contains Latchup protection and exceeds 100 mA per JEDEC Standard JESD78.
NCP1562A, NCP1562B
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS (V
in
=48V,V
AUX
=12V,V
UVOV
=2.3V,V
EA
= open, V
CSKIP
=0V,V
CS
=0V,V
SS
= open,
R
T
= 13.3 kΩ,C
AUX
=10mF, C
T
= 470 pF, C
out1
=C
out2
= 100 pF, C
UVOV
=0.01mF, C
CSKIP
= 6800 pF, R
D
=25kΩ,R
SYNC
=5.0kΩ,
C
REF
=0.1mF, R
FF
= 29.4 kΩ,C
FF
= 470 pF. For typical values T
J
=25C, for min/max values, T
J
is – 40C to 125C, unless otherwise noted.)
Characteristic
Symbol Min Typ Max Unit
STARTUP CONTROL AND V
AUX
REGULATOR
V
AUX
Regulation (V
UVOV
=0V)
Inhibit Threshold Voltage
Startup Threshold/V
AUX
Regulation Peak (V
AUX
Increasing)
Operating V
AUX
Valley Voltage
Minimum Operating V
AUX
Valley Voltage after Turn--On
(V
UVOV
=2.3V,V
EA
=0V)
V
inhibit
V
AUX(on)
V
AUX(off1)
V
AUX(off2)
–
9.65
7.42
6.50
1.15
10.3
8.0
7.0
1.5
10.97
8.48
7.42
V
Minimum Startup V oltage (Pin 1)
I
AUX
=1.0mA,V
AUX
=V
AUX(on)
–0.2V
V
start(min)
– – 23.2
V
Inhibit Bias Current
V
AUX
=0V I
inhibit
70 170 300
mA
Startup Circuit Output Current
V
AUX
=V
inhibit
+0.2V
V
AUX
=V
AUX(on)
–0.2V
I
start1
I
start2
7.16
4.03
9.3
6.1
11.3
8.1
mA
Startup Circuit Off--State Leakage Current (V
in
= 200 V, V
UVOV
=0V)
T
J
=25_C
T
J
= –40_C to 125_C
I
start(off)
–
–
25
–
50
100
mA
Startup Circuit Breakdown Voltage (Note 3)
I
start(off)
=50mA, T
J
= 125_C
V
BR(DS)
100 – –
V
Auxiliary Supply Current after V
AUX
Turn--On
Outputs Disabled
V
UVOV
=0V
V
EA
=0V
Outputs Enabled
V
EA
=4.0V
I
AUX1
I
AUX2
I
AUX3
–
–
–
3.0
4.2
5.5
3.6
4.94
7.0
mA
LINE UNDER/OVERVOLTAGE DETECTOR
Undervoltage Threshold (V
in
Increasing) V
UV
1.979 2.05 2.116 V
Undervoltage Hysteresis V
UV(H)
0.074 0.093 0.118 V
Undervoltage Ratio (V
UV(H)
/V
UV
) V
UV(ratio)
3.65 4.50 5.62 %
Overvoltage Threshold (V
in
Increasing) V
OV
2.80 2.95 3.10 V
Overvoltage Hysteresis V
OV(H)
0.075 0.093 0.127 V
Offset Current (V
UVOV
=2.8V) I
offset(UVOV)
38 48 58 mA
Offset Current Turn ON Threshold (5%, I
offset(UVOV)
=40mA) V
offset(UVOV)
2.4 2.6 2.8 V
LINE FEEDFORWARD
Peak V oltage (Volt--Second Clamp)
V
FF(peak)
2.8 3.0 3.2 V
Discharge Current (V
FF
=0.5V,V
SS
=0V) I
FF(D)
8.5 – – mA
Offset V oltage (V
FF
= 0 V, Ramp Down V
SS
) V
offset(FF)
0.118 0.185 0.268 V
Feedforward Offset Minus Soft--Stop Reset Voltage Δ
(FF--SS)
7 70 183 mV
3. Guaranteed by design only .
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26

NCP1562ADR2G

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Buy NCP1562ADR2G
Manufacturer:
ON Semiconductor
Description:
Switching Controllers HI PERF RESET PWM CONTLR
Lifecycle:
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