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參數(shù)資料
| 型號： | SG2526DW |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | REGULATING PULSE WIDTH MODULATOR |
| 中文描述： | 0.2 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | ROHS COMPLIANT, PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 182K |
| 代理商： | SG2526DW |
4/90 Rev 1.1 2/94
Copyright
1994
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
∞
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
1
SG1526/SG2526/SG3526
REGULATING PULSE WIDTH MODULATOR
FEATURES
8 to 35 volt operation
5V reference trimmed to ±1%
1Hz to 350KHz oscillator range
Dual 100mA source/sink outputs
Digital current limiting
Double pulse suppression
Programmable deadtime
Undervoltage lockout
Single pulse metering
Programmable soft-start
Wide current limit common mode range
TTL/CMOS compatible logic ports
Symmetry correction capability
Guaranteed 6 unit synchronization
HIGH RELIABILITY FEATURES - SG1526
Available to MIL-STD-883B and DESC SMD
Radiation data available
LMI level "S"processing available
DESCRIPTION
The SG1526 is a high performance monolithic pulse width modulator
circuit designed for fixed-frequency switching regulators and other
power control applications. Included in an 18-pin dual-in-line package
are a temperature compensated voltage reference, sawtooth oscillator,
error amplifier, pulse width modulator, pulse metering and steering logic,
and two low impedance power drivers. Also included are protective
features such as soft-start and undervoltage lockout, digital current
limiting, double pulse inhibit, a data latch for single pulse metering,
adjustable deadtime, and provision for symmetry correction inputs. For
ease of interface, all digital control ports are TTL and B-series CMOS
compatible. Active LOW logic design allows wired-OR connections for
maximum flexibility. This versatile device can be used to implement
single-ended or push-pull switching regulators of either polarity, both
transformerless and transformer coupled. The SG1526 is characterized
for operation over the full military ambient junction temperature range of
-55°C to +150°C. The SG2526 is characterized for operation from -25°C
to +150°C, and the SG3526 is characterized for operation from 0°C to
+125°C.
+V
IN
To Internal
Circuitry
V
REF
METERING
F/F
TOGGLE
F/F
MEMORY
F/F
SYNC
R
D
R
T
C
T
GROUND
Oscillator
Reference
Regulator
Undervoltage
Lockout
Soft
Start
RESET
C
SOFTSTART
COMPENSATION
+ ERROR
— ERROR
+ C.S.
— C.S.
SHUTDOWN
S
D
S
T
Q
Q
Q
R
OUTPUT B
+V
C
OUTPUT A
BLOCK DIAGRAM
+V
IN
Amp
Q
Q
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SG2526J | REGULATING PULSE WIDTH MODULATOR |
| SG2526N | REGULATING PULSE WIDTH MODULATOR |
| SG1527AJ | REGULATING PULSE WIDTH MODULATOR |
| SG1527AL | REGULATING PULSE WIDTH MODULATOR |
| SG1525AL | REGULATING PULSE WIDTH MODULATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SG2526J | 制造商:Microsemi Corporation 功能描述:Voltage Mode PWM Controller 100mA 18-Pin CDIP 制造商:Microsemi Corporation 功能描述:SG2526J - Bulk |
| SG2526N | 功能描述:IC REG CTRLR BUCK PWM VM 18-DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 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:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX |
| SG2527A | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:REGULATING PULSE WIDTH MODULATOR |
| SG2527ADW | 制造商:Microsemi Corporation 功能描述:VOLT. MODE PWMS - Bulk |
| SG2527AJ | 制造商:Microsemi Corporation 功能描述:VOLT. MODE PWMS - Bulk |
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