UC2306L-XX-S08-T datasheet(4/12 Pages) UTC

部品番号	UC2306L-XX-S08-T

部品情報	MICROPOWER DC/DC CONVERTERS WITH LOW-BATTERY DETECTOR

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メーカー	UTC [Unisonic Technologies]

ホームページ	http://www.utc-ic.com

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UC2306

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 12

www.unisonic.com.tw

QW-R103-029,B

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATING

UNIT

Input Voltage

VIN

8

V

SW Voltage

VSW

-0.4 ~ +25

V

FB Voltage(UC2306)

VFB

VIN+0.3

V

ILIM Voltage(UC2306-3.3/UC2306-5.0)

VILIM

5

V

SHDN Voltage

VSHDN

6

V

LBI Voltage

VLBI

VIN

V

LBO Voltage

VLBO

8

V

Maximum Power Dissipation

PD

500

mW

Junction Temperature

TJ

125

°C

Operating Temperature

TOPR

-20 ~ +85

°C

Storage Temperature

TSTG

-65 ~ +150

°C

Note: 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 (VIN=2V, VSHDN=2V, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Minimum Operating Voltage

VCC(MIN)

1.5

1.65

V

Operating Voltage

VIN

8

V

Quiescent Current

IQ

V SHDN =2V, Not switching(Note)

120

200

µA

V SHDN =0V, VIN=2V(Note)

7

15

µA

Quiescent Current In Shutdown

ISD

V SHDN =0V, VIN=5V(Note)

27

50

µA

Comparator Trip Point

(Note)

1.22

1.24

1.26

V

FB Pin Bias Current

IFB

(Note)

10

25

nA

Sense Pin Leakage in Shutdown

ILEAK(SD)

V SHDN =0V, Fixed Output

Versions(Note)

0.002

1

µA

Line Regulation

ΔVOUT

1.8V≤VIN≤8V (Note)

0.04

0.15

%/V

LBI Input Threshold

VLBI(THR) Falling Edge(Note)

1.10

1.17

1.25

V

LBI Bias Current

ILBI (BIAS) (Note)

6

20

nA

LBI Input Hysteresis

ILBI (HYS)

(Note)

35

65

mV

LBO Output Voltage Low

VLBO(OL) ISINK=500µA(Note)

0.2

0.4

V

LBO Output Leakage Current

ILBO(LEAK) LBI=1.5V, LBO=5V(Note)

0.01

0.1

µA

High

(Note)

1.4

V

SHDN Input Voltage

Low

V SHDN

(Note)

0.4

V

V SHDN =5V(Note)

5

8

µA

SHDN Pin Bias Current

I SHDN

V SHDN =0V(Note)

-5

-2

µA

Switching Off Time

tOFF

(Note)

1

1.5

2

µs

Switch On Time

tON

Current Limit Not Asserted (Note)

4

6

8

µs

Maximum Duty Cycle

tDUTY

Current Limit Not Asserted (Note)

76

80

88

%

ILIM Pin Open, VIN=5V

0.8

1

1.2

A

Peak Switch Current

I (SW)

20K from ILIM to GND

500

mA

Isw=1A

0.37

V

Switch Saturation Voltage

VSW(SAT)

Isw=700mA(Note)

0.26

0.35

V

Switch Leakage

ILEAK(SW) Switch off, Vsw=5V

0.01

7

µA

Note: Denotes specifications which apply over the 0

°C to 70°C operating temperature range.

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