Datasheet > L5201

L5201

更新时间： 2022-11-13 10:09:49

品牌	Logo	应用领域
友顺 - UTC		转换器泵
页数	文件大小	规格书
7页	165K
描述
LOW NOISE, REGULATED CHARGE PUMP DC/DC CONVERTERS

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中文翻译

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L5201 数据手册

L5201

CMOS IC

ꢀ

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

V_IN

RATINGS

-0.3 ~ 6

UNIT

Input Voltage(to GND)

Charge Pump Voltage(to GND)

Shutdown Voltage(to GND)

V_OUT

V_SHDN

-0.3 ~ 5.5

-0.3 ~ (V_IN+0.3)

150

Maximum DC Output Current (Note 1)

V_OUTShort-Circuit Duration

I_OUT

Indefinite

-40 ~ +85

-40 ~ +150

Operating Temperature

T_OPR

T_STG

℃

Storage Temperature

Note: 1. Based on long-term current density limitations.

2. Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

ꢀ

ELECTRICAL CHARACTERISTICS

(V_CC=V_SHDN= 3V, Ta=25°C, C_FLY=1µF, C_IN=10µF, C_OUT=10µF, unless otherwise specified.)

PARAMETER

SYMBOL

V_IN

TEST CONDITIONS

V_OUT=5.0V

MIN

2.7

TYP

MAX UNIT

Input Voltage

V_OUT

2.7V＜V_IN＜5V, I_OUT=0mA,

No Switching Supply Current

I_Q

4.5

140

µA

SHDN=V_IN, V_OUT=5.5V

2.7V＜V_IN＜5V, I_OUT≤ 50mA

3.0V＜V_IN＜5V, I_OUT≤ 100mA

2.7V＜V_IN＜5V, I_OUT≤ 40mA

3.0V＜V_IN＜5V, I_OUT≤ 90mA

L5201-4.5V

4.32

4.68

5.2

Output Voltage

V_OUT

L5201-5.0V

4.8

1.4

SHDN Input Threshold

High

Low

V_IH

V_IL

0.3

Feedback Voltage (For L5201-ADJ)

V_FB

1.217 1.268 1.319

V_IN= 3V, I_OUT= 50mA

V_IN= 3V, I_OUT= 90mA

2.7V＜V_IN＜5V, I_OUT=0mA,

Ripple Voltage (For L5201-Fixed)

V_R

mV_P-P

Shutdown Supply Current

I_SHDN

I_FB

µA

V_SHDN= 0

Feedback Input Current (For L5201-ADJ)

Efficiency (For L5201-Fixed)

V_FB=1.4V

-50

0.7

V_IN= 2.7V, I_OUT= 40mA

V_IN= 3V, I_OUT= 90mA

Frequency

F_OSCOscillator Free Running

t_ONV_IN= 3V, I_OUT= 0mA

_IN= 3V, V_OUT= GND,

1.3

MHz

V_OUTTurn-on time

0.35

Short-Circuit Current

I_SC

SHDN = 3V

340

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

T_SD

150

℃

UNISONIC TECHNOLOGIES CO., LTD

4 of 7

QW-R502-107,A

www.unisonic.com.tw

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