Datasheet > UP1723PRUA

UP1723PRUA

更新时间： 2024-01-19 13:23:34

品牌	Logo	应用领域
力智 - UPI		/
页数	文件大小	规格书
16页	268K
描述
2A, 18V, High-Efficiency Synchronous-Rectified Buck Converter

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UP1723PRUA 数据手册

uP1723

Electrical Characteristics

Parameter

Feedback Voltage

Symbol

Test Conditions

Min

Typ Max Units

Feedback Voltage

V_FB

GEA

GCS

4.5V < V_IN< 18V

0.911 0.925 0.939

Error Amplifier Transconductance

COMP to Current Sense Transconductance

Power Switches

∆IC = +/- 10uA

940

uA/V

A/V

Hide-Side Switch On Resistance

Low-Side Switch On Resistance

High Side Switch Leakage Current

Upper Side Switch Current Limit

Oscillator

R_DS(ON)

I_EN

130

mΩ

V_EN= 0, V_SW= 0

Oscillation Frequency

Short Circuit Oscillation Frequency

Maximum Duty Cycle

f_OSC1

f_OSC2

D_MAX

T_ON

300

340

100

380

kHz

V_FB= 0.7V

V_ENrising

Minimum On Time

130

Enable

EN Logic High

2.4

5.5

1.2

EN Logic Low

_ENfalling

_ENrising

Full Power Entry Threshold

Power Saving Entry Threshold

Soft Start

2.4

3.8

5.5

Soft Start Current

I_SS

V_SS= 0V

5.5

6.5

Protect

Under Voltage Protect

Over Voltage Protect

FB falling

FB rising

0.4

1.1

150

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

T_SD

^OC

T_SDHYS

Note 1. Stresses listed as the above Absolute Maximum Ratings may cause permanent damage to the device.

These are for stress ratings. Functional operation of the device at these or any other conditions beyond

those indicated in the operational sections of the specifications is not implied. Exposure to absolute

maximum rating conditions for extended periods may remain possibility to affect device reliability.

Note 2. Devices are ESD sensitive. Handling precaution recommended.

Note 3. q_JAis measured in the natural convection at T_A= 25^OC on a low effective thermal conductivity test board of

JEDEC 51-7 thermal measurement standard.

Note 4. The “case temperature” location for measuring θ_JCis on the top of the package.

Note 5. The device is not guaranteed to function outside its operating conditions.

uP1723-DS-P0001, Jan. 2015

www.upi-semi.com

1...4 5 678 9 10...16

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