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參數(shù)資料
| 型號(hào)： | AIC1638-30CZ |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | 3-PIN ONE-CELL STEP-UP DC/DC CONVERTER |
| 中文描述： | 3引腳單細(xì)胞升壓型DC / DC變換器 |
| 文件頁數(shù)： | 11/15頁 |
| 文件大?。?/td> | 240K |
| 代理商： | AIC1638-30CZ |
AIC1638
3-PIN ONE-CELL STEP-UP DC/DC CONVERTER
SPEC NO: DS-1638-00 03/01/00
ANALOG INTEGRATIONS CORPORATION
www.analog.com.tw
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C. TEL: (8863)577-2500 FAX:(8863)577-2510
11
"
TYPICAL PERFORMANCE CHARACTERISTICS
(CONTINUED)
V
OUT
50mV/div
Load Step
50mA/div
V
OUT
20mv/div
V
IN
0.5V/div
Load Transient Response
(L=100
μ
H, Co=47
μ
F, V
IN
=2V)
Line Transient Response
BLOCK DIAGRAM
+
GND
VOUT
SW
1.25V REF.
1M
Enable
-
OSC, 100KHz
PIN DESCRIPTIONS
PIN1 : GND - Ground. Must be low impedance;
sorder directly to ground plane.
PIN2 : VOUT - IC supply pin. Connect VOUT to
the regulator output.
PIN3 : SW – Internal drain of N-MOSFET switch.
APPLICATION INFORMATION
GENERAL DESCRIPTION
AIC1638 PFM (pulse frequency modulation) controller
ICs combine a switch mode regulator, N-channel
power MOSFET, precision voltage reference, and
voltage detector in a single monolithic device. They
offer both extreme low quiescent current, high
efficiency, and very low gate threshold voltage to
ensure start-up with low battery voltage ( 0.8V typ.).
Designed to maximize battery life in portable products,
and minimize switching losses by only switching as
needed service the load.
PFM controllers transfer a discrete amount of energy
per cycle and regulate the output voltage by
modulating switching frequency with the constant
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相關(guān)代理商/技術(shù)參數(shù) |
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| AIC1638-33CX | 制造商:AIC 制造商全稱:Analog Intergrations Corporation 功能描述:3-PIN ONE-CELL STEP-UP DC/DC CONVERTER |
| AIC1638-33CZ | 制造商:AIC 制造商全稱:Analog Intergrations Corporation 功能描述:3-PIN ONE-CELL STEP-UP DC/DC CONVERTER |
| AIC1638-50CX | 制造商:AIC 制造商全稱:Analog Intergrations Corporation 功能描述:3-PIN ONE-CELL STEP-UP DC/DC CONVERTER |
| AIC1638-50CZ | 制造商:AIC 制造商全稱:Analog Intergrations Corporation 功能描述:3-PIN ONE-CELL STEP-UP DC/DC CONVERTER |
| AIC1639 | 制造商:AIC 制造商全稱:Analog Intergrations Corporation 功能描述:3-PIN ONE-CELL STEP-UP DC/DC CONVERTER |
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