NCP785A
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4
Table 6. ELECTRICAL CHARACTERISTICS, V
OUT
= 12 V (−40°C ≤ T
J
≤ 85°C; V
IN
= 340 V; I
OUT
= 100 mA, C
IN
= 2.2 mF,
C
OUT
= 22 mF, unless otherwise noted. Typical values are at T
J
= +25°C.) (Note 6)
Parameter
Test Conditions Symbol Min Typ Max Unit
Operating Input Voltage DC V
IN
55 450 V
Output Voltage Accuracy
T
J
= 25°C, Iout = 100 mA, 55 V ≤ Vin ≤ 450 V
V
OUT
11.460 12 12.540 V
−40°C ≤ T
J
≤ 85°C, Iout = 100 mA,
55 V ≤ Vin ≤ 450 V
V
OUT
11.4 12 12.6 V
Line Regulation
55 V ≤ Vin ≤ 450 V, Iout = 100 mA
Reg
LINE
−0.5 0.1 +0.5 %/V
Load Regulation
100 mA ≤ I
OUT
≤ 10 mA, Vin = 65 V
Reg
LOAD
−1.0 0.66 +1.0 %
Maximum Output Current (Note 7) 55 V ≤ Vin ≤ 450 V I
OUT
10.5 mA
Quiescent Current I
OUT
= 0, 55 V ≤ Vin ≤ 450 V I
Q
17 22
mA
Ground Current (Note 7) 55 V ≤ Vin ≤ 450 V
0 < I
OUT
≤ 10 mA
I
GND
25
mA
Power Supply Rejection Ratio Vin = 340 V
DC
+1 Vpp
modulation, Iout = 100 mA
f = 1 kHz PSRR 70 dB
Noise f = 100 Hz to 100 kHz
Vin = 340 V
DC
, Iout = 100 mA
V
NOISE
420
mVrms
Thermal Shutdown Temperature
(Note 8)
Temperature increasing from T
J
= +25°C T
SD
145 °C
Thermal Shutdown Hysteresis
(Note 8)
Temperature falling from T
SD
T
SDH
− 10 − °C
Table 7. ELECTRICAL CHARACTERISTICS, V
OUT
= 15 V (−40°C ≤ T
J
≤ 85°C; V
IN
= 340 V; I
OUT
= 100 mA, C
IN
= 2.2 mF,
C
OUT
= 22 mF, unless otherwise noted. Typical values are at T
J
= +25°C.) (Note 6)
Parameter
Test Conditions Symbol Min Typ Max Unit
Operating Input Voltage DC V
IN
60 450 V
Output Voltage Accuracy
T
J
= 25°C, Iout = 100 mA, 60 V ≤ Vin ≤ 450 V
V
OUT
14.325 15 15.675 V
−40°C ≤ T
J
≤ 85°C, Iout = 100 mA,
60 V ≤ Vin ≤ 450 V
V
OUT
14.25 15 15.75 V
Line Regulation
60 V ≤ Vin ≤ 450 V, Iout = 100 mA
Reg
LINE
−0.5 0.1 +0.5 %/V
Load Regulation
100 mA ≤ I
OUT
≤ 10 mA, Vin = 65 V
Reg
LOAD
−1.0 0.66 +1.0 %
Maximum Output Current (Note 7) 65 V ≤ Vin ≤ 450 V I
OUT
10.5 mA
Quiescent Current I
OUT
= 0, 60 V ≤ Vin ≤ 450 V I
Q
18 22
mA
Ground Current (Note 7) 60 V ≤ Vin ≤ 450 V
0 < I
OUT
≤ 10 mA
I
GND
25
mA
Power Supply Rejection Ratio Vin = 340 V
DC
+1 Vpp
modulation, Iout = 100 mA
f = 1 kHz PSRR 70 dB
Noise f = 100 Hz to 100 kHz
Vin = 340 V
DC
, Iout = 100 mA
V
NOISE
500
mVrms
Thermal Shutdown Temperature
(Note 8)
Temperature increasing from T
J
= +25°C T
SD
145 °C
Thermal Shutdown Hysteresis
(Note 8)
Temperature falling from T
SD
T
SDH
− 10 − °C
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.
6. Performance guaranteed over the indicated operating temperature range by design and/or characterization production tested at T
J
= T
A
=
25°C. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
7. A proper heatsinking and/or low duty cycle pulse techniques are used to operate the device within the Safe Operating Area.
8. Guaranteed by design
