參數(shù)資料
型號: SG3526
廠商: Motorola, Inc.
英文描述: PULSE WIDTH MODULATION CONTROL CIRCUIT
中文描述: 脈寬調(diào)制控制電路
文件頁數(shù): 7/10頁
文件大小: 172K
代理商: SG3526
SG3526
7
MOTOROLA ANALOG IC DEVICE DATA
Figure 12. Extending Reference
Output Current Capability
Figure 13. Error Amplifier Connections
Figure 14. Oscillator Connections
Figure 15. Foldback Current Limiting
Figure 16. Soft–Start Circuity
Figure 17. Driving VMOS Power FETs
The totem pole output drivers of the SG3526 are ideally
suited for driving the input capacitance of power FETs at
high speeds.
Reference
Regulator
17
18
C*
27
VCC
Gnd
Vref
+
10
μ
F
* May be required with some types of transistors
15
Gnd
Vref
R3
R2
1
2
R1
Positive
Output
Voltage
Gnd
Vref
R2
R3
R1
1
2
Vout = Vref
R1
R2
+
+
Negative
Output
Voltage
Vout = Vref
R1 + R2
R2
R3 =
R1R2
R1 + R2
11
RD
9
10
12
SG3526
RT
CT
Sync
+
Gnd
8
6
7
R1
R2
RS
Output Filter
Vout
I(max) =
RS
0.1 V +
Vout R1
R1 + R2
+
ISC =
0.1 V
RS
+Error
Amp
+
PWM
Ramp
Vref
100
μ
A
Q2
Q1
To
Undervoltage
Lockout
CSoft–Start
Q3
1
2
5
+ Error
– Error
Reset
+12V
14
13
16
VC
A
B
Gnd
SG3526
APPLICATIONS INFORMATION
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相關(guān)代理商/技術(shù)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