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What is AAT1104A?

This electronic component, produced by the manufacturer "Advanced Analog Technology", performs the same function as "2-CHANNEL SWITCHING REGULATOR CONTROLLER".


AAT1104A Datasheet PDF - Advanced Analog Technology

Part Number AAT1104A
Description 2-CHANNEL SWITCHING REGULATOR CONTROLLER
Manufacturers Advanced Analog Technology 
Logo Advanced Analog Technology Logo 


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Advanced Analog Technology, Inc.
AAT1104/AAT1104A
2-CHANNEL SWITCHING REGULATOR CONTROLLER
Features
www.DataShzeet4UC.coomm plete PWM Power Control Circuitry
z Precision Reference 2.505V±1% (25 oC)
z Under-voltage Lockout Protection
z Open Drain Output
z Output Short Circuit Protection
z Low Dissipation Current 1.6mA
z Dead Time Control 0 to 100%
z Wide Operating Frequency
10kHz to 800kHz
z VDD range 4.0V to 6.5V
Pin Configuration
TOP VIEW
CT
RT
NON1
INV1
FB1
1
2
3
4
5
16 Vref
15 SCP
14 NON2
13 INV2
12 FB2
DTC1 6
11 DTC2
OUT1 7
10 OUT2
GND 8
9 VDD
(TSSOP-16 PACKAGE)
General Description
The AAT1104/AAT1104A provides an integrated
two-channel pulse-width-modulation (PWM)
solution for the power supply of DC-DC system,
this device offers the systems engineer the
flexibility to tailor the power supply circuitry to a
specific application. Each channel contains its own
error amplifier, PWM comparator, dead–time
control and output driver. The under-voltage
protection, oscillator, short circuit protection and
voltage reference circuit are common for the two
channels.
Both channel of AAT1104/AAT1104A can be used
for DC/DC converter operations including step-up,
step-down, and inverting. Dead-time control (DTC)
can be set to provide 0% to 100% dead time by
resistive divider network. Soft start can be
implemented by paralleling the DTC resistor with a
capacitor. Two dead time control inputs are
assigned for Ch-1 and Ch-2 individually, and dead
time control inputs can be used to control on / off
operation.
With a minimum number of external components,
the AAT1104/AAT1104A offers a simple and cost
effective solution.
*Spec is subject to change without notice in this document.
––
Advanced Analog Technology, Inc.
V 1.0

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AAT1104A equivalent
Advanced Analog Technology, Inc.
AAT1104/AAT1104A
Electrical Characteristics, VDD = 5.0V (Unless Otherwise Specified) (See Note 1) (continued)
Reference Voltage
Parameter
Reference voltage
Input voltage regulation
www.DataSheet4U.com
Output regulation
Test Conditions
Min Typ Max Unit
VREF IREF = −1mA , TA = 25 oC 2.48 2.505 2.53 V
VRI IREF = −1mA ,
1 5 mV
VDD = 4.0V to 6.0V
VRO IREF = −0.1mA to -3mA
1 10 mV
EA (Error Amplifier)
Parameter
Input offset voltage
Input bias current
Input voltage range
Open-loop voltage
amplification
Output voltage swing
Output sink current
Output source current
VIO
I IB
VIR
A VD
VOM+
VOM
I OM +
I OM
Common-mode rejection ratio CMRR
Test Condition
Ch-1,2, AV=1
Ch-1,2
Ch-1,2
FB=1.25V
FB=1.25V
Min Typ Max Unit
6 mV
±15 ±100 nA
0.5 1.6 V
70 85
dB
2.3 2.5
V
0.7 0.9
3 20
mA
-45 -75
µA
60 80
dB
––
Advanced Analog Technology, Inc.
V 1.0


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Featured Datasheets

Part NumberDescriptionMFRS
AAT1104The function is 2-CHANNEL SWITCHING REGULATOR CONTROLLER. Advanced Analog TechnologyAdvanced Analog Technology
AAT1104AThe function is 2-CHANNEL SWITCHING REGULATOR CONTROLLER. Advanced Analog TechnologyAdvanced Analog Technology

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