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  • The SG3525A series of pulse width modulator integrated circuits are designed to offer improved performance and lowered external parts count when used in designing all types of switching power supplies. The on-chip + 5.1 V reference is trimmed to ±1 % and the input common-mode range of the error amplifier includes the reference voltage eliminating external resistors. A sync input to the oscillator allows multiple units to be slaved or a single unit to be synchronized to an external system clock. A single resistor between the CT and the discharge terminals provide a wide range of dead time ad- justment.These devices also feature built-in soft-start circuitry with only an external timing capacitor required. A shutdown terminal controls both the soft-start circuity and the output stages, providing instantaneous turn off through the PWM latch with pulsed shutdown,as well as soft-start recycle with longer shutdown commands. These functions are also controlled by an undervoltage lockout which keeps the outputs off and the soft-start capacitor discharged for sub-normal input voltages. This lockout circuitry includes approximately 500 mV of hysteresis for jitter-free operation. Another feature of these PWM circuits is a latch following the comparator. Once a PWM pulses has been terminated for any reason,the outputs will remain off for the duration of the period. The latch is reset with each clock pulse. The output stages are totem-pole designs capable of sourcing or sinking in excess of 200 mA. The SG3525A output stage features NOR logic, giving a LOW output for an OFF state.

    主要特性

    • DUAL SOURCE/SINK OUTPUT DRIVERS
    • LATCHING PWM TO PREVENT MULTIPLE PULSES
    • PULSE-BY-PULSE SHUTDOWN
    • INTERNAL SOFT-START
    • 8 TO 35 V OPERATION
    • 100 Hz TO 500 KHz OSCILLATOR RANGE
    • 5.1 V REFERENCE TRIMMED TO ± 1 %
    • ADJUSTABLE DEADTIME CONTROL
    • INPUT UNDERVOLTAGE LOCKOUT WITH HYSTERESIS
    • SEPARATE OSCILLATOR SYNC TERMINAL

电路原理图

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SG2525AN PDIP 16 Tube
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0.6852 1000 EAR99 - 查看供货情况

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DIGIKEY WORLDWIDE 1304 1 Order Now
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Newark Element14 AMERICA 90 0 Order Now
MOUSER WORLDWIDE 2834 1 Order Now
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90

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代理商库存报告日期: 2019-12-10

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SG2525AP SO-16 Tube
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0.6852 1000 EAR99 CHINA 查看供货情况

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DIGIKEY WORLDWIDE 690 1 Order Now
RS COMPONENTS EUROPE 2004 2 Order Now
MOUSER WORLDWIDE 1566 1 Order Now
Farnell Element14 EUROPE 610 1 Order Now

代理商库存报告日期: 2019-12-10

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DIGIKEY

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690

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2004

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2

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MOUSER

库存

1566

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1

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610

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代理商库存报告日期: 2019-12-10

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SG2525AP013TR SO-16 Tape And Reel
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0.6852 1000 EAR99 CHINA 查看供货情况

Distributor availability ofSG2525AP013TR

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地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 3650 1 Order Now
FUTURE WORLDWIDE 110 1 Order Now
Newark Element14 AMERICA 274 0 Order Now
ARROW AMERICA 7500 2500 Order Now
MOUSER WORLDWIDE 3167 1 Order Now
Farnell Element14 EUROPE 710 1 Order Now

代理商库存报告日期: 2019-12-10

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DIGIKEY

库存

3650

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1

地区

WORLDWIDE Order Now

FUTURE

库存

110

Min.Order

1

地区

WORLDWIDE Order Now

Newark Element14

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274

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0

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AMERICA Order Now

ARROW

库存

7500

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2500

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AMERICA Order Now

MOUSER

库存

3167

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1

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710

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代理商库存报告日期: 2019-12-10

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SG2525AN

封装

PDIP 16

包装类型

Tube

单价(US$)

0.6852*

Distributor availability ofSG2525AN

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 1304 1 Order Now
RS COMPONENTS EUROPE 265 10 Order Now
ARROW EUROPE 408 0 Order Now
Newark Element14 AMERICA 90 0 Order Now
MOUSER WORLDWIDE 2834 1 Order Now
Farnell Element14 EUROPE 407 1 Order Now

代理商库存报告日期: 2019-12-10

代理商名称

DIGIKEY

库存

1304

Min.Order

1

地区

WORLDWIDE Order Now

RS COMPONENTS

库存

265

Min.Order

10

地区

EUROPE Order Now

ARROW

库存

408

Min.Order

0

地区

EUROPE Order Now

Newark Element14

库存

90

Min.Order

0

地区

AMERICA Order Now

MOUSER

库存

2834

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

407

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-12-10

供货状态

批量生产

单价(US$)

0.6852

数量

1000

ECCN (US)

EAR99

Country of Origin

-

SG2525AP

封装

SO-16

包装类型

Tube

单价(US$)

0.6852*

Distributor availability ofSG2525AP

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 690 1 Order Now
RS COMPONENTS EUROPE 2004 2 Order Now
MOUSER WORLDWIDE 1566 1 Order Now
Farnell Element14 EUROPE 610 1 Order Now

代理商库存报告日期: 2019-12-10

代理商名称

DIGIKEY

库存

690

Min.Order

1

地区

WORLDWIDE Order Now

RS COMPONENTS

库存

2004

Min.Order

2

地区

EUROPE Order Now

MOUSER

库存

1566

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

610

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-12-10

供货状态

批量生产

单价(US$)

0.6852

数量

1000

ECCN (US)

EAR99

Country of Origin

CHINA

SG2525AP013TR

封装

SO-16

包装类型

Tape And Reel

单价(US$)

0.6852*

Distributor availability ofSG2525AP013TR

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 3650 1 Order Now
FUTURE WORLDWIDE 110 1 Order Now
Newark Element14 AMERICA 274 0 Order Now
ARROW AMERICA 7500 2500 Order Now
MOUSER WORLDWIDE 3167 1 Order Now
Farnell Element14 EUROPE 710 1 Order Now

代理商库存报告日期: 2019-12-10

代理商名称

DIGIKEY

库存

3650

Min.Order

1

地区

WORLDWIDE Order Now

FUTURE

库存

110

Min.Order

1

地区

WORLDWIDE Order Now

Newark Element14

库存

274

Min.Order

0

地区

AMERICA Order Now

ARROW

库存

7500

Min.Order

2500

地区

AMERICA Order Now

MOUSER

库存

3167

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

710

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-12-10

供货状态

批量生产

单价(US$)

0.6852

数量

1000

ECCN (US)

EAR99

Country of Origin

CHINA

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商

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产品型号 供货状态 封装 等级规格 符合RoHS级别 Material Declaration**
SG2525AN
批量生产
PDIP 16 工业 Ecopack2
SG2525AP
批量生产
SO-16 工业 Ecopack2
SG2525AP013TR
批量生产
SO-16 工业 Ecopack2

SG2525AN

Package:

PDIP 16

Material Declaration**:

Marketing Status

批量生产

Package

PDIP 16

Grade

Industrial

RoHS Compliance Grade

Ecopack2

SG2525AP

Package:

SO-16

Material Declaration**:

Marketing Status

批量生产

Package

SO-16

Grade

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RoHS Compliance Grade

Ecopack2

SG2525AP013TR

Package:

SO-16

Material Declaration**:

Marketing Status

批量生产

Package

SO-16

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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