參數(shù)資料
型號: SG3526
廠商: Microsemi Corporation
英文描述: REGULATING PULSE WIDTH MODULATOR
中文描述: 調控脈寬調制器
文件頁數(shù): 6/10頁
文件大?。?/td> 172K
代理商: SG3526
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
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相關代理商/技術參數(shù)
參數(shù)描述
SG3526_06 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Pulse Width Modulation Control Circuit
SG3526B 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:REGULATING PULSE WIDTH MODULATOR
SG3526BDW 功能描述:IC REG CTRLR BUCK PWM VM 18-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
SG3526BDW-TR 制造商:Microsemi Corporation 功能描述:DC-DC CONVERTER
SG3526BJ 制造商:Microsemi Corporation 功能描述:SG3526BJ - Bulk