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參數資料
| 型號： | ADP1108AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 穩壓器 |
| 英文描述： | Circular Connector; No. of Contacts:24; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:25-24 |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 25 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 3/12頁 |
| 文件大小： | 234K |
| 代理商： | ADP1108AR |
ADP1108
–3–
REV. 0
ABSOLUT E MAX IMUM RAT INGS*
Supply Voltage (V
IN
) . . . . . . . . . . . . . . . . . . . . . . . . . . . +36 V
SW1 Pin Voltage (V
SW1
) . . . . . . . . . . . . . . . . . . . . . . . . +50 V
SW2 Pin Voltage (V
SW2
) . . . . . . . . . . . . . . . . . . –0.5 V to V
IN
Feedback Pin Voltage (ADP1108) . . . . . . . . . . . . . . . . +5.5 V
Sense Pin Voltage (ADP1108, 3.3, 5, 12) . . . . . . . . . . . +36 V
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . 500 mW
Maximum Switch Current . . . . . . . . . . . . . . . . . . . . . . . .1.5 A
Operating T emperature Range . . . . . . . . . . . . . 0
°
C to 170
°
C
Storage T emperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Lead T emperature (Soldering, 10 sec) . . . . . . . . . . . .+300
°
C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. T his is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
ORDE RING GUIDE
Model
Output Voltage
Package*
ADP1108AN
ADP1108AR
ADP1108AN-3.3
ADP1108AR-3.3
ADP1108AN-5
ADP1108AR-5
ADP1108AN-12
ADP1108AR-12
ADJ
ADJ
3.3 V
3.3 V
5 V
5 V
12 V
12 V
N-8
SO-8
N-8
SO-8
N-8
SO-8
N-8
SO-8
*N = Plastic DIP, SO = Small Outline Package.
PIN CONFIGURAT IONS
8-Lead Plastic DIP 8-Lead SOIC
(N-8) (SO-8)
1
2
3
4
8
7
6
5
(TOP VIEW
ADP1108
I
LIM
V
IN
SW1
SW2
FB (SENSE)*
SET
AO
GND
* FIXED VERSIONS
1
2
3
4
8
7
6
5
(TOP VIEW
ADP1108
I
LIM
V
IN
SW1
SW2
FB (SENSE)*
SET
AO
GND
* FIXED VERSIONS
PIN FUNCT ION DE SCRIPT IONS
Mnemonic
Function
I
LIM
For normal conditions this pin is connected to
V
IN
. When lower current is required, a resistor
should be connected between I
LIM
and V
IN
.
Limiting the switch current to 400 mA is
achieved by connecting a 220
resistor.
Input Voltage.
Collector of Power T ransistor. For step-down
configuration, connect to V
IN
. For step-up
configuration, connect to an inductor/diode.
Emitter of Power T ransistor. For step-down
configuration, connect to inductor/diode. For
step-up configuration, connect to ground. Do
not allow this pin to go more than a diode
drop below ground.
Ground.
Auxiliary Gain (GB) Output. T he open
collector can sink 100
μ
A.
Gain Amplifier Input. T he amplifier has
positive input connected to SET pin and
negative input connected to 1.245 V reference.
On the ADP1108 (adjustable) version this pin
is connected to the comparator input. On the
ADP1108-3.3, ADP1108-5 and ADP1108-12,
the pin goes directly to the internal application
resistor that set output voltage.
V
IN
SW1
SW2
GND
AO
SET
FB/SENSE
WARNING!
ESD SENSITIVE DEVICE
C AUT ION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the ADP1108 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. T herefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
相關PDF資料 |
PDF描述 |
|---|---|
| ADP1108AR-12 | Circular Connector; No. of Contacts:128; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-35 |
| ADP1108AR-33 | Circular Connector; No. of Contacts:128; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-35 |
| ADP1108AR-5 | Circular Connector; No. of Contacts:128; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-35 |
| ADP1109AAN-12 | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:7; Connector Shell Size:16S; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight |
| ADP1109AAN-33 | Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADP1108AR-12 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ADP1108AR-3.3 | 制造商:Rochester Electronics LLC 功能描述:MICROPOWER DC-DC CONVERTER 3.3V - Bulk |
| ADP1108AR-33 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Micropower DC-DC Converter Adjustable and Fixed 3.3 V, 5 V, 12 V |
| ADP1108AR-5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ADP1109 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter |
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