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S-9366AAABAI6TIG2 PDF预览

S-9366AAABAI6TIG2

更新时间: 2024-09-30 06:09:55
品牌 Logo 应用领域
精工 - SII 开关
页数 文件大小 规格书
63页 1583K
描述
STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

S-9366AAABAI6TIG2 数据手册

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Rev.1.1_00  
STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or  
PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER  
S-8365/8366 Series  
The S-8365/8366 Series is a CMOS step-up switching regulator controller which  
mainly consists of a reference voltage source, an oscillation circuit, an error  
amplifier, a phase compensation circuit, a timer latch short-circuit protection  
circuit, a PWM control circuit (S-8365 Series) and a PWM / PFM switching control  
circuit (S-8366 Series).  
With an external low-ON-resistance Nch Power MOS, this product is ideal for  
applications requiring high efficiency and a high output current.  
The S-8365 Series efficiently works on voltage’s condition of large I/O difference  
due to the PWM control circuit linearly varies the duty ratio to 90%.  
During light-load, the S-8366 Series switches its operation to the PFM control by  
the PWM / PFM switching control circuit in order to prevent efficiency decline due  
to the IC operating current.  
Ceramic capacitors can be used for output capacitor. Small packages SNT-6A,  
SOT-23-5 and SOT-23-6 enable high-density mounting.  
„ Features  
Low operation voltage  
: Start at 1.1 V (1 mA) guaranteed (in the product without UVLO function)  
: 1.8 V to 5.5 V  
Input voltage range  
Oscillation frequency  
Reference voltage  
Soft start function  
Low current consumption  
Duty ratio  
: 1.2 MHz, 600 kHz  
: 0.6 V 2.0%  
: 7 ms typ.  
: 70 µA typ. at switching off  
: Built-in PWM / PFM switching control circuit (S-8366 Series)  
28% to 85% (1.2 MHz product)  
28% to 90% (600 kHz product)  
: Current consumption 1.0 µA max. at shutdown  
: Inductor, diode, capacitor, transistor  
: Selectable with / without short-circuit protection circuit for each product  
Settable delay time by external capacitor  
Shutdown function  
External parts  
Timer latch short-circuit protection circuit  
(in the product with short-circuit protection)  
: Selectable with / without UVLO for each product  
: SNT-6A, SOT-23-5, SOT-23-6  
UVLO (under-voltage lockout) function  
Small packages  
Lead-free product  
„ Applications  
MP3 players, digital audio players  
Digital cameras, GPS, wireless transceiver  
Portable devices  
„ Packages  
Drawing code  
Package name  
SNT-6A  
SOT-23-5  
SOT-23-6  
Package  
PG006-A  
MP005-A  
MP006-A  
Tape  
Reel  
Land  
PG006-A  
MP005-A  
MP006-A  
PG006-A  
MP005-A  
MP006-A  
PG006-A  
Seiko Instruments Inc.  
1

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