UCC2813D-5 Datasheet

IC型號：
UCC2813D-5
PDF描述：
Low Power Economy BiCMOS Current Mode PWM
文件大小：
217.06KB
PDF頁數(shù)：
8頁
芯片廠家：
TI

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UCC2813-0/-1/-2/-3/-4/-5

UCC3813-0/-1/-2/-3/-4/-5

Low Power Economy BiCMOS Current Mode PWM

FEATURES

100碌A(chǔ) Typical Starting Supply Current

500碌A(chǔ) Typical Operating Supply Current

Operation to 1MHz

Internal Soft Start

Internal Fault Soft Start

Internal Leading-Edge Blanking of the

Current Sense Signal

1 Amp Totem-Pole Output

70ns Typical Response from

Current-Sense to Gate Drive Output

1.5% Tolerance Voltage Reference

Same Pinout as UCC3802, UC3842, and

UC3842A

DESCRIPTION

The UCC3813-0/-1/-2/-3/-4/-5 family of high-speed, low-power inte-

grated circuits contain all of the control and drive components required

for off-line and DC-to-DC fixed frequency current-mode switching power

supplies with minimal parts count.

These devices have the same pin configuration as the UC3842/3/4/5

family, and also offer the added features of internal full-cycle soft start

and internal leading-edge blanking of the current-sense input.

The UCC3813-0/-1/-2/-3/-4/-5 family offers a variety of package options,

temperature range options, choice of maximum duty cycle, and choice

of critical voltage levels. Lower reference parts such as the UCC3813-3

and UCC3813-5 fit best into battery operated systems, while the higher

reference and the higher UVLO hysteresis of the UCC3813-2 and

UCC3813-4 make these ideal choices for use in off-line power supplies.

The UCC2813-x series is specified for operation from 鈥?0擄C to +85擄C

and the UCC3813-x series is specified for operation from 0擄C to +70擄C.

ORDERING INFORMATION

Part Number

UCCx813-0

UCCx813-1

UCCx813-2

UCCx813-3

UCCx813-4

UCCx813-5

Maximum Duty Cycle

100%

50%

100%

50%

Reference Voltage

Turn-On Threshold

7.2V

9.4V

12.5V

4.1V

12.5V

4.1V

Turn-Off Threshold

6.9V

7.4V

8.3V

3.6V

8.3V

3.6V

BLOCK DIAGRAM

UDG-96134

04/99

標(biāo)準(zhǔn)包裝
75
類別
集成電路 (IC)
家庭
PMIC - 穩(wěn)壓器 - DC DC 切換控制器
系列
-
PWM 型
電流模式
輸出數(shù)
1
頻率 - 最大
1MHz
占空比
50%
電源電壓
4 V ~ 10 V
降壓
無
升壓
是
回掃
是
反相
無
倍增器
無
除法器
無
Cuk
無
隔離
無
工作溫度
-40°C ~ 85°C
封裝/外殼
8-SOIC（0.154"，3.90mm 寬）
包裝
管件
其它名稱
296-11409-5

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UCC2813D-5 Datasheet

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