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參數(shù)資料
| 型號： | AIC1653CVTR |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | Micropower Inverting DC/DC Converter in SOT-23-5 |
| 中文描述： | 微反向直流/直流轉(zhuǎn)換器采用SOT - 23 - 5 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 225K |
| 代理商： | AIC1653CVTR |
AIC1653
Micropower Inverting DC/DC Converter in SOT-23-5
z
Low Quiescent Current:
Analog Integrations Corporation
4F, 9 Industry E. 9th Rd, Science-Based Industrial Park, Hsinchu, Taiwan
DS-1653-02 122203
TEL: 886-3-5772500
FAX: 886-3-5772510
www.analog.com.tw
1
15
μ
A in Active Mode
<1
μ
A in Shutdown Mode
z
Operates with VIN as Low as 1.8V
z
Uses Small Surface Mount Components
z
High Output Voltage: Up to -28V
z
Low profile 5-Lead SOT-23-5 Package
z
LCD Bias
z
Hand-Held Computers
z
Battery Backup
z
Digital Still Cameras
The AIC1653 is a micropower inverting DC/DC
converter in 5-lead SOT-23 package. It is designed
for power systems with a 100mA current limit and
an input voltage ranging from 1.8V to 10V. Besides,
AIC1653 features a quiescent current of only 15
μ
A
at no load, which further reduces to 0.5μA when
shutdown. The schemes of current limited and
fixed off-time control conserve operating current,
resulting in high efficiency over a broad range of
load current. In addition, the 30V switch of
AIC1653 allows high voltage outputs up to -28V,
which is easily generated without the use of costly
transformers. The AIC1653’s low off-time of 400ns
permits the use of tiny, low profile inductors and
capacitors to minimize footprint and cost in
space-conscious portable applications.
L1
22
μ
H
C3
0.22
μ
F
L2
22
μ
H
D1
RB521S-30
C1
4.7
μ
F
V
IN
2.5V~5V
R1
150k
R2
39K
C2
4.7
μ
F
V
OUT
-6V/14mA
VIN
5
SHDN
4
GND
2
SW
1
NFB3
AIC1653
L1,L2: TOKO D312F 22
μ
H
D1: Rohm RB521S-30
C1,C2,C3: TAIYO YUDEN Ceramic capacitors
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