L3383-32-AF5-R 查看數據表（PDF） - Unisonic Technologies

零件编号

产品描述 (功能)

比赛名单

L3383-32-AF5-R

PFM CONTROLLED, STEP-UP DC/DC CONVERTERS (VARIABLE DUTY RATIO)

Unisonic Technologies 

L3383

CMOS IC

ABSOLUTE MAXIMUM RATINGS (Ta=25℃)

PARAMETER

SYMBOL

RATINGS

UNIT

VOUT Input Voltage

Lx pin Voltage

VOUT

12

V

VLx

12

V

CE Input Voltage

VCE

12

V

VDD Input Voltage

VDD

12

V

Lx pin Current

ILX

400

mA

Power Dissipation

SOT-89

SOT-25

PD

500

mW

250

mW

Operating Junction Temperature

Operating Ambient Temperature

Storage Temperature

TJ

+125

℃

TOPR

-30 ~ +80

℃

TSTG

-40 ~ +125

℃

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 CHARACTRISTICS(Ta=25℃, VIN=VOUT× 0.6, unless otherwise specified.)

UTC L3383-2.0V (IOUT=10mA)

PARAMETER

SYMBOL

TEST CONDITIONS

Output Voltage

VOUT L, SD, CL etc. connected

Maximum Input Voltage

VIN

Oscillation Start-up Voltage

VST IOUT=1mA

Oscillation Hold Voltage

VHLD IOUT=1mA

Lx Limit Voltage

VLxLMT Same as IDD1. Fosc>Fosc1×2

No-Load Input Current

IIN IOUT=0mA (Note 1)

Supply Current 1(Note 2)

Supply Current 2

Lx Leakage Current

IDD1 VIN=VOUT×0.95

IDD2 VIN=VOUT+0.5V

ILXL No external components, VOUT=VLx=10V.

Lx Switch-On Resistance

RSWON Same as IDD1. VLx=0.4V

Duty Ratio 1

DTY1 Same as IDD1. Measuring of Lx waveform

Duty Ratio 2

DTY2 IOUT=1mA. Measuring of Lx on-time

Efficiency

EFFI L, SD, CL etc. connected

Maximum Oscillation Frequency Fosc1 Same as IDD1. 75% duty

Fosc2 Same as IDD1. 45% duty

For 5-Pins package Only

CE Voltage

High

Low

VCEH

VCEL

Same as IDD1.

Existence of Lx Oscillation.

Same as IDD1.

Disappearance of Lx Oscillation

CE ”High” Current

High

Low

ICEH Same as IDD1. VCE=VOUT×0.95

ICEL Same as IDD1. VCE=0V

Stand-by Current

ISTB Same as IDD1.

MIN

1.950

0.70

0.7

70

40

150

100

TYP

2.000

0.80

4.3

13.6

1.9

9.1

75

45

70

180

120

MAX

2.050

10

0.90

1.1

8.6

27.3

3.9

1.0

13.7

80

50

210

130

UNIT

V

V

V

V

V

µA

µA

µA

µA

Ω

%

%

%

kHz

kHz

0.75

V

0.20 V

0.25 µA

-0.25 µA

0.5 µA

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

3 of 14

QW-R502-032,E

Share Link: