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參數(shù)資料
| 型號： | AAT1351-S6-T |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 204K |
| 代理商： | AAT1351-S6-T |
Advanced Analog Technology, Inc.
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Advanced Analog Technology, Inc
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Page 1 of 16 V1.0
AAT1351
Details are subject to change without notice
2-CHANNEL SWITCHING REGULATOR
FEATURES
z
Complete PWM Power Control Circuitry
z
Under-Voltage Lockout (UVLO) 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
10 kHz to 800 kHz
z
DD
V
Range
4.0V to 14.0V
PIN CONFIGURATION
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
C
t
R
t
IE1
OE1
DTC1
GND
OUT1
V
REF
NE2
SCP
IE2
OE2
DTC2
OUT2
TOP VIEW
NE1
V
DD
GENERAL DESCRIPTION
The AAT1351 provides an integrated two-channel
pulse-width-modulation (PWM) solution for the
power supply of DC-DC system; this device offers
the systems engineer flexibility to tailor-make the
power supply circuitry for specific applications.
Each channel contains its own error amplifier,
PWM comparator, dead–time control (DTC) and
output driver. The under-voltage protection,
oscillator, short circuit protection and voltage
reference circuit are the common features for the
two channels.
Both channels of AAT1351 can be used for DC-DC
converter operations including step-up, step-down,
and inverting. Dead-time control can be set to
provide 0% to 100% dead-time through a resistive
divider network. Soft-start can be implemented by
paralleling the DTC resistor with a capacitor. Two
dead-time control inputs are assigned for channel 1
(CH1) and channel 2 (CH2) individually, and dead-
time control inputs can be used to control on / off
operation.
With a minimum number of external components,
the AAT1351 offers a simple and cost effective
solution.
SOP-16 PACKAGE
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