AAT1110-S-T データシートの表示（PDF） - Analog Technology Inc

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AAT1110-S-T

ONE-CHANNEL STEP-DOWN PWM CONTROLLER

Analog Technology Inc 

Advanced Analog Technology, Inc.

AAT1110

Electrical Characteristics, VDD = 3.3V (Unless Otherwise Specified) (See Note 1)

Oscillator

Parameter

Test Condition

Min Typ Max Unit

Oscillation Frequency

f OSC

COSC = 270pF,

R OSC = 4.2 kΩ

400 500 600 kHz

Frequency Variation With

Temperature

f ∆T

5

%

Frequency Input Stability

f∆V VDD = 2.6V to 6.5V

1

%

Under-Voltage Protection

Parameter

Test Condition

Upper Threshold Voltage

Lower Threshold Voltage

Hysteresis ( VUPH – VUPL )

VUPH

VUPL

VHYS

TC = 25 oC

TC = 25 oC

TC = 25 oC

Note1: Typical values of all parameters are specified at TC =25 oC

Min Typ

2.12 2.47

1.96 2.28

0.19

Max Unit

2.85 V

2.63 V

V

Short Circuit Protection Control

Parameter

Input Threshold Voltage

Vr1

Short-Circuit Detect

Threshold Voltage

Vtscd

Charging Current

I SCP

Test Condition

VSCP =0V

Min Typ Max Unit

1.160 1.262 1.360 V

1.160 1.262 1.360 V

− 2.15 −1.50 −1.00 µA

Soft-Start

Parameter

Charging Current

Voltage at Soft-Start

Completion

Shutdown Control

Parameter

Shutdown Enable Voltage

Shutdown Release Voltage

Test Condition

ICS VSCP =0V

Vts

Min Typ Max Unit

− 2.15 −1.50 −1.00 µA

1.160 1.262 1.360 V

Test Condition

Min Typ Max Unit

VSE

0.5 V

VSR

2.0

V

– 台灣類比科技股份有限公司 –

– Advanced Analog Technology, Inc. –

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V 1.0

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