UR3320L-TN3-D-R [UTC]

2A OUTPUT TYPE LOW POWER-LOSS VOLTAGE REGULATOR;


型号：	UR3320L-TN3-D-R
厂家：	Unisonic Technologies
描述：	2A OUTPUT TYPE LOW POWER-LOSS VOLTAGE REGULATOR 瞄准线输出元件
文件：	总6页 (文件大小：277K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

UNISONIC TECHNOLOGIES CO., LTD

URXX20

LINEAR INTEGRATED CIRCUIT

2A OUTPUT TYPE LOW

POWER-LOSS VOLTAGE

REGULATOR



FEATURES

* 2.0A output type

* Output voltage precision: ±2.5%

* Built-in ON/OFF control function and over-current protection

circuit.

TO-252

* Thermal shutdown protection.



ORDERING INFORMATION

Ordering Number

Pin Assignment

Package

Packing

Lead Free

Halogen Free

URXX20L-TN3-D-T

URXX20L-TN3-D-R

URXX20G-TN3-D-T

URXX20G-TN3-D-R

G: GND O: OUTPUT

TO-252

Tube

Tape Reel

Note: Pin Assignment: I: INPUT

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

MARKING INFORMATION

PACKAGE

VOLTAGE CODE

MARKING

33: 3.3V

12 :12V

TO-252



BLOCK DIAGRAM

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ABSOLUTE MAXIMUM RATINGS (T_A=25°C, unless otherwise specified.)

PARAMETER

SYMBOL

V_IN

RATINGS

UNIT

Input Voltage(Note1)

Output Current

I_OUT

2.0

Power Dissipation

P_D

0.7

Junction Temperature (Note2)

Operating Temperature

Storage Temperature

T_J

150

°C

T_OPR

T_STG

-40 ~ +85

-40 ~ +150

Note 1: All are open except GND and applicable terminals.

Note 2: Overheat protection may operate at 125≦T_J≦150C



THERMAL CHARACTERISTICS

PARAMETER

SYMBOL

RATING

112

UNIT

°C/W

Junction to Ambient

θ_JA



ELECTRICAL CHARACTERISTICS (Refer to the test circuits, unless otherwise specified, T_A=25°C)

For UR3320(3.3V)

PARAMETER TYP MAX UNIT

SYMBOL

TEST CONDITIONS

MIN

Output Voltage

V_OUTV_IN=5.3V, I_OUT=1A

3.218

3.3

0.5

3.382

2.5

Line Regulation

∆V_OUTV_IN=4.3~10.3V, I_OUT=5mA

∆V_OUTV_IN=5.3V, I_OUT=5mA~2.0A

T_CV_OT_J=0~125°C, I_OUT=5mA

Load Regulation

0.5

2.0

Temperature Coefficient of Output Voltage

Ripple Rejection

±0.02

%/°C

V_D

I_Q

Refer to Fig.2

Dropout Voltage

I_OUT=2A (Note 1)

I_OUT=0A, V_IN=5.3V

0.7

Quiescent Current

For UR1220(12V)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

11.7

TYP MAX UNIT

Output Voltage

V_OUTV_IN=14V, I_OUT=1A

12.0

0.5

12.3

2.5

Line Regulation

∆V_OUTV_IN=13~19V, I_OUT=5mA

∆V_OUTV_IN=14V, I_OUT=5mA~2.0A

T_CV_OT_J=0~125°C, I_OUT=5mA

Load Regulation

0.5

2.0

Temperature Coefficient of Output Voltage

Ripple Rejection

±0.02

%/°C

V_D

I_Q

Refer to Fig.2

Dropout Voltage

I_OUT=2A (Note 1)

I_OUT=0A, V_IN=14V

0.7

Quiescent Current

Note: Input voltage shall be the value when output voltage is 95% in comparison with the initial value.

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LINEAR INTEGRATED CIRCUIT

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TEST CIRCUITS

Fig.1

I_O

47μF

0.33μF

R_L

V_IN

VIN=14V(UR1220)

VIN=5.5V(UR3320)

f=120Hz

ei=0.5Vrms

Io=0.5A

RR=20log (ei/eo)

Fig.2 For Ripple Rejection



TYPICAL APPLICATION

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TYPICAL CHARACTERISTICS

Fig.4 Output Voltage vs .Input Voltage

(UR1220)

Fig.3 Output Voltage Deviation vs .Junction

Temperature (UR1220)

250

VIN=18V

200

Io=0.5A

150

100

RL=∞Ω

RL=12Ω

RL=6Ω

-50

-100

-150

-200

-25

100

125

)

^N(V)

ge, VI

T^J(°C

volta

Input

ature,

mper

ion te

Junct

Fig.6 Dropout Voltage vs .Junction

Temperature (UR1220)

Fig.5 Circuit Operating Current vs .Input

Voltage (UR1220)

0.5

0.4

0.3

0.2

RL=6Ω

RL=12Ω

0.1

RL=∞Ω

-25

100

125

^IN(V)

ge, V

)

re, T^J(°C

t volta

Inpu

eratu

temp

nction

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LINEAR INTEGRATED CIRCUIT



TYPICAL CHARACTERISTICS(Cont.)

UTC assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or

other parameters) listed in products specifications of any and all UTC products described or contained

herein. UTC products are not designed for use in life support appliances, devices or systems where

malfunction of these products can be reasonably expected to result in personal injury. Reproduction in

whole or in part is prohibited without the prior written consent of the copyright owner. The information

presented in this document does not form part of any quotation or contract, is believed to be accurate

and reliable and may be changed without notice.

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