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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)： | 6/10頁(yè) |
| 文件大小： | 172K |
| 代理商： | SG3526N |
SG3526
6
MOTOROLA ANALOG IC DEVICE DATA
R
,
)
Figure 7. VC Saturation Voltage as a
Function of Sink Current
Figure 8. Oscillator Period
Figure 9. Error Amplifier
Figure 10. Undervoltage Lockout
Figure 11. Pulse Processing Logic
The metering Flip–Flop is an asynchronous data latch
which suppresses high frequency oscillations by allowing
only one PWM pulse per oscillator cycle.
The memory Flip–Flop prevents double pulsing in a
push–pull configuration by remembering which output
produced the last pulse.
2.0
5.0
10
IC, SINK CURRENT (mA)
20
50
100
200
,
S
V
0
0
0
0
0
0
0
0
1
2
5
1
2
5
1
2
5
1
OSCILLATOR PERIOD (ms)
RD = 0
VCC
Q6
Q5
Vref
125
μ
A
Q3
Q4
50
μ
A
Q8
Q9
500
1.0k
Q2
1
+ Error
– Error
Q10
3 Compensation
100
μ
A
Q12
Q11
Q7
50
μ
A
14
μ
A
Q1
1.0k
500
100
μ
A
14
μ
A
100
μ
A
Vref
R1
1.2V
Bandgap
Reference
R2
+
–
To Reset
To Driver A
To Driver B
Metering
F/F
S
D
Q
Q
Q
R
S
Clock
PWM
PWM
Sync
Memory
F/F
2.5
2.0
1.5
1.0
0.5
0
200
100
50
20
10
5.0
2.0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SG3526 | REGULATING PULSE WIDTH MODULATOR |
| SG3526DW | REGULATING PULSE WIDTH MODULATOR |
| SG3526J | REGULATING PULSE WIDTH MODULATOR |
| SG3526N | REGULATING PULSE WIDTH MODULATOR |
| SG3527A | PULSE WIDTH MODULATOR CONTROL CIRCUITS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SG3527A | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Regulating Pulse Width Modulators |
| SG3527ADW | 制造商:Microsemi Corporation 功能描述:VOLTAGE MODE PWMS - Bulk |
| SG3527AI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LINEAR INTEGRATED CIRCUITS |
| SG3527AJ | 制造商:Microsemi Corporation 功能描述:SG3527AJ - Bulk |
| SG3527AN | 制造商:Microsemi Corporation 功能描述:Voltage Mode PWM Controller 400mA 16-Pin PDIP 制造商:Microsemi Corporation 功能描述:SG3527AN - Bulk |
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