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參數(shù)資料
| 型號(hào)： | SG3526N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PULSE WIDTH MODULATION CONTROL CIRCUIT |
| 中文描述： | 0.2 A SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDIP18 |
| 封裝： | PLASTIC, DIP-18 |
| 文件頁(yè)數(shù)： | 3/10頁(yè) |
| 文件大?。?/td> | 172K |
| 代理商： | SG3526N |
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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