參數(shù)資料
型號(hào): SG3526
廠商: ON SEMICONDUCTOR
英文描述: PULSE WIDTH MODULATION CONTROL CIRCUIT
中文描述: 脈寬調(diào)制控制電路
文件頁(yè)數(shù): 3/10頁(yè)
文件大小: 172K
代理商: SG3526
SG3526
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(VCC = +15 Vdc, TJ = Tlow to Thigh [Note 5], unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION
(Note 6)
Reference Output Voltage (TJ = +25
°
C)
Line Regulation (+8.0 V
VCC
+35 V)
Load Regulation (0 mA
IL
20 mA)
Temperature Stability
Vref
Regline
Regload
Vref/
T
Vref
4.90
5.00
5.10
V
10
30
mV
10
50
mV
10
mV
Total Reference Output Voltage Variation
(+8.0 V
VCC
+35 V, 0 mA
IL
20 mA)
4.85
5.00
5.15
V
Short Circuit Current (Vref = 0 V) (Note 2)
ISC
25
80
125
mA
UNDERVOLTAGE LOCKOUT
Reset Output Voltage (Vref = +3.8 V)
Reset Output Voltage (Vref = +4.8 V)
0.2
0.4
V
2.4
4.8
V
OSCILLATOR SECTION
(Note 7)
Initial Accuracy (TJ = +25
°
C)
Frequency Stability over Power Supply Range
(+8.0 V
VCC
+35 V)
±
3.0
±
8.0
%
fosc
VCC
fosc
TJ
fmin
0.5
1.0
%
Frequency Stability over Temperature
(
TJ = Tlow to Thigh)
2.0
%
Minimum Frequency
(RT = 150 k
, CT = 20
μ
F)
0.5
Hz
Maximum Frequency
(RT = 2.0 k
, CT = 0.001
μ
F)
fmax
400
kHz
Sawtooth Peak Voltage (VCC = +35 V)
Sawtooth Valley Voltage (VCC = +8.0 V)
Vosc(P)
Vosc(V)
3.0
3.5
V
0.45
0.8
V
ERROR AMPLIFIER SECTION
(Note 8)
Input Offset Voltage (RS
2.0 k
)
Input Bias Current
VIO
IIB
IIO
AVOL
VOH
2.0
10
mV
–350
–2000
nA
Input Offset Current
35
200
nA
DC Open Loop Gain (RL
10 M
)
High Output Voltage
(VPin 1–VPin 2
+150 mV, Isource = 100
μ
A)
60
72
dB
3.6
4.2
V
Low Output Voltage
(VPin 2–VPin 1
+150 mV, Isink = 100
μ
A)
VOL
0.2
0.4
V
Common Mode Rejection Ratio (RS
2.0 k
)
Power Supply Rejection Ratio (+12 V
VCC
+18 V)
CMRR
70
94
dB
PSRR
66
80
dB
NOTES:
2.Maximum junction temperature must be observed.
5.Tlow = 0
°
C
6.IL = 0 mA unless otheThigh = +125
7.fosc = 40 kHz (RT = 4.12 k
±
1%, CT = 0.01
μ
F
±
1%, RD = 0
)
8.0 V
VCM
+5.2 V.
°
C
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