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U3525L-S16-R

更新时间： 2024-01-05 12:04:53

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
9页	289K
描述
REGULATING PWM IC

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U3525L-S16-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

U3525

LINEAR INTEGRATED CIRCUIT

REGULATING PWM IC

ꢀ

DESCRIPTION

The UTC U3525 is a pulse width modulator IC and designed for

switching power supplies application to improve performance and

reduce external parts usage.

SOP-16

A shutdown terminal controls both the soft-start circuitry 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. The output stage features NOR logic, giving

a LOW output for an OFF state. An under-voltage lockout circuitry,

which keeps the outputs off and the soft-start capacitor discharged

for sub-normal input voltages, includes approximately 500 mV of

hysteresis for jitter free operation. The PWM circuits also feature a

latch following the comparator. When a PWM pulses has been

terminated, 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

200mA.

DIP-16

*Pb-free plating product number: U3525L

ꢀ FEATURES

* Input Voltage: 8~35V

* On-chip +5.1V reference is trimmed to ±1%

* 100HZ ~ 500KHZ oscillator range

* Separate oscillator sync terminal

* Adjustable dead time control

* Internal soft-start

* Pulse-by-pulse shutdown

* Input under-voltage lockout with hysteresis

* Latching PWM to prevent multiple pulses

* Dual source/sink output drivers

ꢀ ORDERING INFORMATION

Order Number

Package

Packing

Normal

Lead Free Plating

U3525L-D16-T

U3525L-S16-R

U3525L-S16-T

U3525-D16-T

U3525-S16-R

U3525-S16-T

DIP-16

SOP-16

Tube

Tape Reel

Tube

U3525L-D16-T

(1)Packing Type

(2)Package Type

(3)Lead Plating

(1) R: Tape Reel, T: Tube

(2) D16: DIP-16, S16: SOP-16

(3) L: Lead Free Plating, Blank: Pb/Sn

www.unisonic.com.tw

1of 9

QW-R103-032,A

12 3 4 5 6 7...9

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