AAT1105A-T1-T datasheet(4/16 Pages) AAT

Part #	AAT1105A-T1-T

Description	BUCK_BOOST AND BOOST PWM CONTROLLER

Download	16 Pages

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Manufacturer	AAT [Advanced Analog Technology, Inc.]

Direct Link	http://www.aatech.com.tw

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4 / 16 page

Advanced Analog Technology, Inc.

–

台灣類比科技股份有限公司 –

–

Advanced Analog Technology, Inc. –

Page 4 of 16

V 1.0

AAT1105A

Electrical Characteristics, DD

V

= 3.3V (Unless Otherwise Specified) (See Note 1)

Oscillator

Parameter

Test Condition

Min

Typ

Max Unit

Frequency

OSC

f

OSC

C

= 220pF,

OSC

R=

5.6kΩ

320

400

480

kHz

Frequency

Changes

with

DD

V

f∆

DD

V

= 2.6V to 6.0V,

C

T= 25

oC

OSC

C

= 220pF,

OSC

R

= 5.6kΩ

-

1

-

%

Under-Voltage Protection

Parameter

Test Condition

Min

Typ

Max

Unit

Upper Threshold Voltage

UPH

V

C

T= 25

oC

1.81

2.03

2.25

V

Lower Threshold Voltage

UPL

V

C

T= 25

oC

1.57

1.79

2.01

V

Hysteresis (

UPH

V

–

UPL

V)

HYS

V

C

T= 25

oC

-

0.24

-

V

Short Circuit Protection Control

Parameter

Test Condition

Min

Typ

Max

Unit

Input Threshold Voltage

2

r

V

CH2

1.81

1.29

1.40

V

Input Threshold Voltage

1

r

V

CH1

0.30

0.37

0.44

V

Short-Circuit Detect

Threshold Voltage

tscd

V

0.76

0.85

0.94

V

SCP Terminal Source

Current

SCP

I

8

.

3

−

6

.

2

−

4

.

1

−

µA

Stand-by Voltage

VSTB

50

100

mV

Latch Voltage

VLT

30

100

mV

Shutdown Control

Parameter

Test Condition

Min

Typ

Max

Unit

Shutdown Enable Voltage

SE

V

C

T= 25

oC

-

0.5

V

Shutdown Release Voltage

SR

V

C

T= 25

oC

2.0

-

V

Note 1: Typical values of all parameters are specified at

C

T=25

oC.

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