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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 172K |
| 代理商： | SG3526N |
Device
Operating
Temperature Range
Package
SEMICONDUCTOR
TECHNICAL DATA
PULSE WIDTH MODULATION
CONTROL CIRCUIT
ORDERING INFORMATION
SG3526N
TJ = 0
°
to +125
°
C
Plastic DIP
PIN CONNECTIONS
Order this document by SG3526/D
N SUFFIX
PLASTIC PACKAGE
CASE 707
18
1
(Top View)
+Error
Compensation
CSoft–Start
–CS
+CS
Shutdown
–Error
Reset
RT
RDeadtime
Sync
Output A
Ground
Output B
VCC
Vref
VC
CT
1
2
3
4
5
6
7
8
12
13
14
15
16
17
18
9
11
10
1
MOTOROLA ANALOG IC DEVICE DATA
The SG3526 is a high performance pulse width modulator integrated
circuit intended for fixed frequency switching regulators and other power
control applications.
Functions included in this IC are a temperature compensated voltage
reference, sawtooth oscillator, error amplifier, pulse width modulator, pulse
metering and steering logic, and two high current totem pole outputs ideally
suited for driving the capacitance of power FETs at high speeds.
Additional protective features include soft start and undervoltage lockout,
digital current limiting, double pulse inhibit, adjustable dead time and a data
latch for single pulse metering. All digital control ports are TTL and B–series
CMOS compatible. Active low logic design allows easy wired–OR
connections for maximum flexibility. The versatility of this device enables
implementation in single–ended or push–pull switching regulators that are
transformerless or transformer coupled. The SG3526 is specified over a
junction temperature range of 0
°
to +125
°
C.
8.0 V to 35 V Operation
5.0 V
±
1% Trimmed Reference
1.0 Hz to 400 kHz Oscillator Range
Dual Source/Sink Current Outputs:
±
100 mA
Digital Current Limiting
Programmable Dead Time
Undervoltage Lockout
Single Pulse Metering
Programmable Soft–Start
Wide Current Limit Common Mode Range
Guaranteed 6 Unit Synchronization
Representative Block Diagram
Vref
VCC
Ground
Sync
RDeadtime
RT
CT
Reset
CSoft–Start
Compensation
+Error
–Error
+C.S.
–C.S.
Shutdown
18
17
15
12
11
9
10
5
4
3
1
2
7
6
8
Reference
Regulator
Soft
Start
VCC
Amp
Under–
Voltage
Lockout
Metering
F/F
Memory
F/F
S
Toggle
F/F
S
D
Q
Q
R Q
T
Q
Q
14
VC
13
Output
A
16
Output
B
To Internal
Circuitry
Oscillator
–
+
–
–
+
+
Motorola, Inc. 1996
Rev 2
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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