參數(shù)資料
型號： ADP1073AR-5
廠商： ANALOG DEVICES INC
元件分類： 穩(wěn)壓器
英文描述： Circular Connector; No. of Contacts:55; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:23; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:23-55
中文描述： 0.4 A SWITCHING REGULATOR, 23 kHz SWITCHING FREQ-MAX, PDSO8
封裝： SOIC-8
文件頁數(shù)： 3/16頁
文件大小： 442K
代理商： ADP1073AR-5
ADP1073
–3–
REV. 0
PIN FUNCTION DESCRIPTIONS
Pin
Mnemonic
Function
1
I
LIM
For normal conditions this pin is con-
nected to V
IN
. When a lower current
limit is required, a resistor should be
connected between I
LIM
and V
IN.
Limit-
ing the switch current to 400 mA is
achieved by connecting a 220
resistor.
Input Voltage.
Collector Node of Power Transistor.
For step-down configuration, connect to
V
IN
;
for step-up configuration, connect
to an inductor/diode.
Emitter Node of Power Transistor. For
step- down configuration, connect to
inductor/diode; for step-up configura-
tion, connect to ground. Do not allow
this pin to drop more than a diode drop
below ground.
Ground.
Auxiliary Gain (GB) Output. The open
collector can sink 100
μ
A.
Gain Amplifier Input. The amplifier’s
positive input is connected to the SET
pin and its negative input is connected
to the 212 mV reference.
On the ADP1073 (adjustable) version
this pin is connected to the comparator
input. On the ADP1073-3.3, ADP1073-
5 and ADP1073-12, the pin goes di-
rectly to the internal application resistor
that sets output voltage.
2
3
V
IN
SW1
4
SW2
5
6
GND
AO
7
SET
8
FB/SENSE
PIN CONFIGURATIONS
8-Lead Plastic DIP 8-Lead Small Outline Package
(N-8) (SO-8)
1
2
3
4
8
7
6
5
(TOP VIEW
ADP1073
I
LIM
V
IN
SW1
SW2
FB (SENSE)*
SET
AO
GND
* FIXED VERSIONS
1
2
3
4
8
7
6
5
(TOP VIEW
ADP1073
I
LIM
V
IN
SW1
SW2
FB (SENSE)*
SET
AO
GND
* FIXED VERSIONS
CAUTION
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 ADP1073 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage, Step-Up Mode . . . . . . . . . . . . . . . 15 V
Input Supply Voltage, Step-Down Mode . . . . . . . . . . . . . 36 V
SW1 Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 V
SW2 Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . .–0.4 V to V
IN
Feedback Pin Voltage (ADP1073) . . . . . . . . . . . . . . . . . . . 5 V
Switch Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5 A
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . 500 mW
Operating Temperature Range (A) . . . . . . . . . . 0
°
C to +70
°
C
Storage Temperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . .+300
°
C
I
LIM
V
IN
SW1
SENSE
SW2
GND
ADP1073-5
CADDELL-BURNS
7200-12
82
m
H
1N5818
+5V
40mA
100
F
SANYO
OS-CON
1.5V
AA CELL*
OPERATES WITH CELL VOLTAGE
$
1.0V
*ADD 10
m
F DECOUPLING CAPACITOR IF BATTERY
IS MORE THAN 2 INCHES AWAY FROM ADP1073
Figure 1. Typical Application
ORDERING GUIDE
Output
Voltage
Package
Options**
Model*
ADP1073AN
ADP1073AR
ADP1073AN-3.3
ADP1073AR-3.3
ADP1073AN-5
ADP1073AR-5
ADP1073AN-12
ADP1073AR-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
NOTES
*
*Temperature Range: 0
°
C to +70
°
C.
**N = Plastic DIP; SO = Small Outline Package.
WARNING!
ESD SENSITIVE DEVICE
相關(guān)PDF資料
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