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SG3526 데이터시트(PDF) 3 Page - ON Semiconductor

부품명 SG3526
상세설명  Pulse Width Modulation Control Circuit
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
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ELECTRICAL CHARACTERISTICS (VCC = +15 Vdc, TJ = Tlow to Thigh [Note 6], unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION (Note 7)
Reference Output Voltage (TJ = +25°C)
Vref
4.90
5.00
5.10
V
Line Regulation (+8.0 V ≤ VCC ≤ +35 V)
Regline
10
30
mV
Load Regulation (0 mA ≤ IL ≤ 20 mA)
Regload
10
50
mV
Temperature Stability
ΔVref/ΔT
10
mV
Total Reference Output Voltage Variation
(+8.0 V ≤ VCC ≤ +35 V, 0 mA ≤ IL ≤ 20 mA)
ΔVref
4.85
5.00
5.15
V
Short Circuit Current (Vref = 0 V) (Note 5)
ISC
25
80
125
mA
UNDERVOLTAGE LOCKOUT
Reset Output Voltage (Vref = +3.8 V)
0.2
0.4
V
Reset Output Voltage (Vref = +4.8 V)
2.4
4.8
V
OSCILLATOR SECTION (Note 8)
Initial Accuracy (TJ = +25°C)
±3.0
±8.0
%
Frequency Stability over Power Supply Range
(+8.0 V ≤ VCC ≤ +35 V)
Δfosc
Δ VCC
0.5
1.0
%
Frequency Stability over Temperature
(ΔTJ = Tlow to Thigh)
Δfosc
Δ TJ
2.0
%
Minimum Frequency
(RT = 150 kΩ, CT = 20 μF)
fmin
0.5
Hz
Maximum Frequency
(RT = 2.0 kΩ, CT = 0.001 μF)
fmax
400
kHz
Sawtooth Peak Voltage (VCC = +35 V)
Vosc(P)
3.0
3.5
V
Sawtooth Valley Voltage (VCC = +8.0 V)
Vosc(V)
0.45
0.8
V
ERROR AMPLIFIER SECTION (Note 9)
Input Offset Voltage (RS ≤ 2.0 kΩ)
VIO
2.0
10
mV
Input Bias Current
IIB
−350
−2000
nA
Input Offset Current
IIO
35
200
nA
DC Open Loop Gain (RL ≥ 10 MΩ)
AVOL
60
72
dB
High Output Voltage
(VPin 1−VPin 2 ≥ +150 mV, Isource = 100 μA)
VOH
3.6
4.2
V
Low Output Voltage
(VPin 2−VPin 1 ≥ +150 mV, Isink = 100 μA)
VOL
0.2
0.4
V
Common Mode Rejection Ratio (RS ≤ 2.0 kΩ)
CMRR
70
94
dB
Power Supply Rejection Ratio (+12 V ≤ VCC ≤ +18 V)
PSRR
66
80
dB
5. Maximum junction temperature must be observed.
6. Tlow = 0°CThigh = +125°C
7. IL = 0 mA unless otherwise noted.
8. fosc = 40 kHz (RT = 4.12 kΩ ± 1%, CT = 0.01 μF ± 1%, RD = 0 Ω)
9. 0 V ≤ VCM ≤ +5.2 V.


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