NCS1002ADR2G

NCS1002A
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4
ELECTRICAL CHARACTERISTICS (continued)
Symbol UnitMaxTypMinConditionsCharacteristics
OP AMP 2 (INDEPENDENT OP AMP) (continued) (V
CC
= 5.0 V, T
A
= 25°C unless otherwise noted)
V
ICM
Input Common Mode Voltage Range (Note 2)
(V
CC
= +30 V)
T
A
= 25°C 0 V
CC
1.5
V
−40 v T
A
v +105°C 0 V
CC
2.0
CMRR Common Mode Rejection Ratio (Note 4)
0 to V
CC
− 1.7 V,
T
A
= 25°C
70 85
dB
0 to V
CC
− 2.2 V
−40 v T
A
v +105°C
60
I
SOURCE
Output Current Source (V
CC
= 15 V, V
OUT
= 2 V, V
ID
= +1 V) 20 40 mA
I
O
Short−Circuit to GND (V
CC
= 15 V) 40 60 mA
I
SINK
Output Current Sink (V
ID
= −1 V)
V
CC
= +15 V, V
OUT
= 0.2 V 1 10 mA
V
CC
= +15 V, V
OUT
= 2 V 10 20 mA
V
OH
Output Voltage Swing, High (V
CC
= 30 V)
R
L
= 2 kW, T
A
= 25°C
26 27
V
−40 v T
A
v +105°C 26
R
L
= 10 kW, T
A
= 25°C
27 28
−40 v T
A
v +105°C 27
V
OL
Output Voltage Swing, Low
R
L
= 10 kW, T
A
= 25°C
5.0 50 mV
SR
Slew Rate (AV = +1, V
i
= 0.5 V to 3 V, V
CC
= 15 V, R
L
= 2 kW, C
L
= 100 pF)
0.2 0.4
V/ms
GBP Gain Bandwidth Product (V
CC
= 30 V, AV = +1,
R
L
= 2 kW, C
L
= 100 pF, f = 100 kHz, V
IN
= 10 mV
PP
) (Note 4)
0.5 0.9 MHz
THD Total Harmonic Distortion (f = 1 kHz, AV = 10,
R
L
= 2 kW, V
CC
= 30 V, V
OUT
= 2 V
PP
)
0.08 %
e
noise
Equivalent Input Noise Voltage (f = 1 kHz, R
S
= 100 W, V
CC
= 30 V)
50 nV/Hz
VOLTAGE REFERENCE (V
CC
= 5.0 V, T
A
= 25°C unless otherwise noted)
I
K
Cathode Current 0.05 100 mA
V
ref
Reference Voltage (I
K
= 1 mA)
T
A
= 25°C 2.49 2.5 2.51
V
−40 v T
A
v +105°C 2.48 2.5 2.52
DV
ref
Reference Deviation over Temperature (V
KA
= V
ref
, I
K
= 10 mA, −40 v T
A
v
+105°C) (Note 4)
7.0 30 mV
I
min
Minimum Cathode Current for Regulation (2.4875 V
f
V
KA
2.5125 V
f
) 10 50
mA
I ZKA I Dynamic Impedance (Note 3)
(V
KA
= V
ref
, I
K
= 1 mA to 100 mA, f < 1 kHz)
0.2 0.5
W
2. The input common−mode voltage of either input signal should not be allowed to go negative by more than 0.3 V. The upper end of the
common−mode range is V
CC
− 1.5 V. Both inputs can go to V
CC
+ 0.3 V without damage.
3. The Dynamic Impedance is defined as l ZKA l = DV
KA
/ DI
K
.
4. Guaranteed by design and/or characterization.
NCS1002A
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5
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
−50 −30 −10 10 30 50 70 90 110 130
INPUT OFFSET VOLTAGE (mV)
OP1
TEMPERATURE (°C)
Figure 1. Input Offset Voltage vs. Temperature
0
1
2
3
4
5
−40 −20 0 20 40 60 80 100 120
TEMPERATURE (°C)
BIAS CURRENT (nA)
Figure 2. IB vs. Temperature
2.4
2.42
2.44
2.46
2.48
2.5
2.52
2.54
2.56
2.58
2.6
010 2030405060708090100
CATHODE CURRENT IK (mA)
Figure 3. Vref as a Function of IK
Vref (V)
2.48
2.49
2.5
2.51
2.52
−40 −20 0 20 40 60 80 100
TEMPERATURE (°C)
Figure 4. Vref Over Temperature
Vref (V)
0.2
0.25
0.3
0.35
0.4
0.45
0.5
−40−30−20−10 0 10 20 30 40 50 60 70 80 90 100
TEMPERATURE (°C)
Figure 5. Ref Dynamic Impedance vs.
Temperature
DYNAMIC IMPEDANCE (W)
NCS1002A
http://onsemi.com
6
0
20
40
60
80
100
120
0 5 10 15 20 25 30 35
PSRR (dB)
SUPPLY VOLTAGE (V)
Figure 6. NCS1002A PSRR vs. Supply Voltage
25°C
105°C
−40°C
0
20
40
60
80
100
120
0 5 10 15 20 25 30 35
−40°C
105°C
25°C
COMMON MODE REJECTION RATIO (dB)
SUPPLY VOLTAGE (V)
Figure 7. NCS1002A CMRR vs. Supply Voltage
10
1
0.1
0.01
0.001
100 1k 10k
DISTORTION (%)
FREQUENCY (Hz)
Figure 8. Distortion vs. Frequency
THD+N
THD
V
S
= +/− 15 V
R
L
= 2kW to V
EE
A
V
= 10
V
O
= 2 V
PP
25°C
OUTPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
Figure 9. Output Voltage Swing vs. Output Current
V
id
= 1 V, V
CM
= 0 V, V
CC
= 3 V to 36 V
0 5 10 15 20 25 30 35 40 45
V
CC
V
CC
− 0.5
V
CC
− 1
V
CC
− 1.5
V
CC
− 2
V
CC
− 2.5
GND + 2
GND + 1.5
GND + 1
GND + 0.5
GND
V
OL
T
A
= 25°C
V
OL
T
A
= 105°C
V
OH
T
A
= 25°C
V
OH
T
A
= 105°C
UUUUUUSSSS
UUUUUUSSSS
UUUUUSSSSS
UUUUUSSSSS
UUUUUSSSSS
SUUUUSSSSS
SSUUUSSSSS
SSUUUSSSSS
SSSUUSSSSS
SSSSSSSSSS
SSSSSSSSSS
SSSSSUUSSS
SSSUUUUUUS
SSUUUUUUUS
SUUUUUUUUS
UUUUUUUUUS
100
50
40
30
20
15
10
7.5
5
2.5
1
0.5
0.25
0.1
0.05
0 1000300200100474.710.470.1
IK (mA)
CAPACITIVE LOAD ON Vref PIN 3 (nF)
Figure 10. Region of Reference Stability vs.
Capacitive Load (Pin 3)
S − Stable; U − Unstable

NCS1002ADR2G

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Switching Controllers Constant Vtg/Current SecondarySide Cntlr
Lifecycle:
New from this manufacturer.
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