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MAX8869 Fiches technique(PDF) 1 Page - Maxim Integrated Products

No de pièce MAX8869
Description  1A, MicroCap, Low-Dropout, Linear Regulator
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Fabricant  MAXIM [Maxim Integrated Products]
Site Internet  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX8869 Fiches technique(HTML) 1 Page - Maxim Integrated Products

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General Description
The MAX8869 low-dropout linear regulator operates
from a +2.7V to +5.5V input and delivers a guaranteed
1A load current with a low 200mV dropout. The high-
accuracy (±1%) output voltage is preset at +5V, +3.3V,
+2.5V, +1.8V, or +1.0V or is adjustable from +0.8V to
+5V with an external resistor-divider.
The MAX8869 uses MicroCap™ technology and
requires only a small 1µF output capacitor for guaran-
teed stability. An internal PMOS pass transistor allows
low 500µA supply current, making this regulator useful
for networking and telecom hardware as well as bat-
tery-operated equipment. Other features include soft-
start, low-power shutdown, short-circuit protection, and
thermal shutdown protection.
The MAX8869 is available in a 1.5W, 16-pin TSSOP
package, which is 30% smaller than a SOT223 and only
1.1mm high.
________________________Applications
Telecom Hardware
Network Equipment
Mobile Phone Base Stations
Personal Computers
Notebook Computers
Features
o Guaranteed 1A Output Current
o Stable with COUT = 1µF
o Low 200mV Dropout at 1A
o ±1% Output Voltage Accuracy
Preset at +5V, +3.3V, +2.5V, +1.8V, or +1.0V
and Adjustable from +0.8V to +5.0V
o 54dB PSRR at 100kHz
o Adjustable Soft-Start
o 3ms Reset Output
o Foldback Output Current Limit
o Thermal Overload Protection
o High-Power 16-Pin TSSOP Package (1.5W)
30% Smaller than SOT223 (only 1.1mm high)
1A, MicroCap, Low-Dropout,
Linear Regulator
________________________________________________________________ Maxim Integrated Products
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
N.C.
N.C.
OUT
OUT
OUT
OUT
SET
GND
N.C.
TOP VIEW
MAX8869
TSSOP-EP
IN
IN
RST
IN
IN
SHDN
SS
Pin Configuration
IN
IN
IN
IN
SHDN
SS
OUT
OUT
OUT
OUT
RST
SET
GND
ON
OFF
1
µF
1
µF
IN
+2.7V TO +5.5V
OUT
UP TO 1A
RESET
OUTPUT
MAX8869
Typical Operating Circuit
19-1692; Rev 0; 8/00
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
Ordering Information
MicroCap is a trademark of Maxim Integrated Products.
PART
TEMP.
RANGE
PIN-
PACKAGE
VOUT*
(V)
MAX8869EUE50
-40
°C to +85°C
16 TSSOP-EP**
+5.0
MAX8869EUE33
-40
°C to +85°C
16 TSSOP-EP
+3.3
MAX8869EUE25
-40
°C to +85°C
16 TSSOP-EP
+2.5
MAX8869EUE18
-40
°C to +85°C
16 TSSOP-EP
+1.8
MAX8869EUE10
-40
°C to +85°C
16 TSSOP-EP
+1.0
*Or adjustable from +0.8V to +5.0V. Contact factory for other
preset output voltages.
**EP = Exposed pad.


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