AP1609S Просмотр технического описания (PDF) - Diodes Incorporated.

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AP1609S

PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER

Diodes Incorporated. 

AP1609

PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER

Absolute Maximum Ratings

Parameter

VIN Pin Voltage

FB Pin Voltage

CE Pin Voltage

Switch Voltage (LX to GND)

Switch Current

Continuous Total Power

Dissipation

Operating Ambient

Temperature

Storage Temperature

Symbol

VCC

VFB

VCE

VSW

ILX

Pd

Topr

Tstg

Ratings

-0.3 ~ 7

-0.3 ~ VCC +0.3

-0.3 ~ VCC +0.3

-0.3 ~ 18

-3 ~ 0.2

1200

-20 ~ +80

-20 ~ +125

Units

V

V

V

V

A

mW

oC

oC

Electrical Characteristics

AP1609

Parameter

FB Voltage

Input Voltage

Output Voltage

Maximum Switching

Output Current

Drain-Source On-State

Resistance

Quiescent Current

Shutdown Current

Oscillator Frequency

Maximum Duty Ratio

PFM Duty Ratio

CE “High” Voltage

CE “Low” Voltage

Efficiency

( FOSC = 300kHz, VOUT = 5V )

Symbol

Conditions

VFB

VCC

VOUT

IOUT

RDS (ON)

ICCQ

ISD

Fosc

MAXDTY

PFMDTY

VCEH

VCEL

EFFI

ID = 2.4A

No Load, FB = 2V, CE = High

No Load, CE = Low

Measuring of EXT Waveform,

VIN = Output Voltage +0.3V

No Load

No External Components,

VFB = 0V,

Apply 0.65VCC (min.) to CE,

Chip Enable

Same as VCEH, Chip Disable

Min.

1.20

2.5

3.0

2.4

-

-

-

240

80

15

Typ.

1.23

-

-

-

100

80

1

300

-

25

Ta = 25 oC

Max.

1.26

6

17

Units

V

V

V

-

A

-

mΩ

130 µA

-

µA

360 kHz

-

%

35

%

0.65

-

-

*VCC

-

-

0.20 *VCC

-

91

-

%

AP1609 Rev. 1

3 of 8

www.diodes.com

JANUARY 2007

© Diodes Incorporated

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