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參數資料
| 型號： | SG1524B |
| 廠商： | Microsemi Corporation |
| 英文描述： | CAP .01UF 250V PEN FILM 1913 10% |
| 中文描述： | 調控脈寬調制器 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 64K |
| 代理商： | SG1524B |
2/00 Rev 1.3 2/00
Copyright
2000
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
1
SG1524B/SG2524B/SG3524B
REGULATING PULSE WIDTH MODULATOR
DESCRIPTION
The SG1524B is a pulse width modulator for switching power supplies
which features improved performance over industry standards like the
SG1524. A direct pin-for-pin replacement for the earlier device, it
combines advanced processing techniques and circuit design to provide
improved reference accuracy, and extended common mode range at the
error amplifier and current limit inputs. A DC-coupled flip-flop eliminates
triggering and glitch problems, and a PWM data latch prevents edge
oscillations. The circuit incorporates true digital shutdown for high speed
response, while an undervoltage lockout circuit prevents spurious outputs
when the supply voltage is too low for stable operation. Full double-pulse
suppression logic insures alternating output pulses when the Shutdown
pin is used for pulse-by-pulse current limiting. The SG1524B is specified
for operation over the full military ambient temperature range of -55
°
C to
125
°
C. The SG2524B is characterized for the industrial range of -25
°
C to
85
°
C, and the SG3524B is designed for the commercial range of 0
°
C
to 70
°
C.
+V
IN
Reference
Regulator
Oscillator
To Internal
Circuitry
V
REF
Undervoltage
Lockout
P.W.M.
Error
C.L.
COMPENSATION
SHUTDOWN
Q
Q
R
S
S
Q
Q
Q
D
T
EMITTER B
COLLECTOR B
EMITTER A
COLLECTOR A
-C.L. SENSE
+C.L. SENSE
NON-INVERTING
INVERTING
PWM
LATCH
TOGGLE
F/F
MEMORY
F/F
OSC
+V
IN
GROUND
R
T
C
T
FEATURES
7V to 40V operation
5V reference trimmed to
±
1%
100Hz to 400KHz oscillator range
Excellent external sync capability
Dual 100mA output transistors
Wide current limit common mode range
DC-coupled toggle flip-flop
PWM data latch
Undervoltage lockout
Full double-pulse suppression logic
60V output collectors
HIGH RELIABILITY FEATURES
- SG1524B
Available to MIL-STD-883
and DESC SMD
Scheduled for MIL-M-38510 QPL listing
Radiation data available
LMI level "S" processing available
DESCRIPTION
相關PDF資料 |
PDF描述 |
|---|---|
| SG2524B | REGULATING PULSE WIDTH MODULATOR |
| SG2524BDW | REGULATING PULSE WIDTH MODULATOR |
| SG2524BJ | REGULATING PULSE WIDTH MODULATOR |
| SG2524BN | REGULATING PULSE WIDTH MODULATOR |
| SG3524B | REGULATING PULSE WIDTH MODULATOR |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SG1524B_1 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:REGULATING PULSE WIDTH MODULATOR |
| SG1524BF | 制造商:Microsemi Corporation 功能描述:VOLT MODE PWM CNTRLR 19V 100MA - Bulk |
| SG1524BF-883B | 制造商:Microsemi Corporation 功能描述:VOLTAGE MODE PWMS - Bulk |
| SG1524BJ | 功能描述:IC REG CTRLR BUCK PWM VM 16-DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 切換控制器 系列:- 特色產品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 標準包裝:1 系列:PowerWise® PWM 型:電壓模式 輸出數:1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.5 V ~ 18 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:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產品目錄頁面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR |
| SG1524BJ/883B | 制造商:Microsemi Corporation 功能描述:Voltage Mode PWM Controller 19V 100mA 16-Pin CDIP 制造商:Microsemi 功能描述:Voltage Mode PWM Controller 19V 100mA 16-Pin CDIP |
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