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參數(shù)資料
| 型號： | AAT1109-T2-T |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | ONE-CHANNEL STEP-UP PWM CONTROLLER |
| 中文描述： | 單通道升壓的PWM控制器 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 601K |
| 代理商： | AAT1109-T2-T |
Advanced Analog Technology, Inc.
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Advanced Analog Technology, Inc
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Page 1 of 18 V 1.0
AAT1109
Details are subject to change without notice.
ONE-CHANNEL STEP-UP PWM CONTROLLER
FEATURES GENERAL DESCRIPTION
z
Under-Voltage Lockout (UVLO) Protection
z
Totem Pole Output
z
Output Short Circuit Protection
z
Soft-Start Function
z
Wide Operating Frequency
10 kHz to 1MHz
z
Shutdown Control
z
Low Dissipation Current :
Typical
1.6mA
in Operation
z
SOP-8 & TSSOP-8 Package Available
PIN CONFIGURATION
The AAT1109 is a one-channel step-up PWM
controller incorporating a soft-start and a short
circuit protection (SCP) function.
This device consists of an on-chip voltage reference,
error amplifier, pulse width modulation controller,
under-voltage lockout protection, soft-start, and
short
circuit
protection
frequency up to 1MHz is set by an external resistor
and capacitor. Soft-start time can be implemented
by the SCP capacitor.
Additionally, a chip-enable feature is also provided
to power down and reduce the current supply
to
A
10
μ
. With the minimal external components,
circuits.
Switching
the AAT1109 offers a simple and economical
solution.
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