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MAX8869 Datasheet

  • MAX8869

  • "1A, MicroCap?, Low-Dropout, Linear Regulator"

  • Maxim   Maxim

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19-1692; Rev 0; 8/00
1A, MicroCap, Low-Dropout,
Linear Regulator
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 (鹵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鈩?technology and
requires only a small 1碌F output capacitor for guaran-
teed stability. An internal PMOS pass transistor allows
low 500碌A(chǔ) 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.
o
Guaranteed 1A Output Current
o
Stable with C
OUT
= 1碌F
o
Low 200mV Dropout at 1A
o
鹵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)
Features
MAX8869
________________________Applications
Telecom Hardware
Network Equipment
Mobile Phone Base Stations
Personal Computers
Notebook Computers
PART
MAX8869EUE50
MAX8869EUE33
MAX8869EUE25
MAX8869EUE18
MAX8869EUE10
Ordering Information
TEMP.
RANGE
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
PIN-
PACKAGE
16 TSSOP-EP**
16 TSSOP-EP
16 TSSOP-EP
16 TSSOP-EP
16 TSSOP-EP
V
OUT
*
(V)
+5.0
+3.3
+2.5
+1.8
+1.0
MicroCap is a trademark of Maxim Integrated Products.
*Or adjustable from +0.8V to +5.0V. Contact factory for other
preset output voltages.
**EP = Exposed pad.
Pin Configuration
Typical Operating Circuit
TOP VIEW
N.C. 1
16 N.C.
15 OUT
14 OUT
MAX8869
IN
+2.7V TO +5.5V
1碌F
ON
OFF
IN
IN
IN
IN
SHDN
SS
OUT
OUT
OUT
OUT
RST
SET
GND
RESET
OUTPUT
OUT
UP TO 1A
1碌F
IN 2
IN 3
IN 4
IN 5
RST 6
SHDN 7
SS 8
MAX8869
13 OUT
12 OUT
11 SET
10 GND
9
N.C.
TSSOP-EP
________________________________________________________________
Maxim Integrated Products
1
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.

MAX8869 PDF文件相關(guān)型號(hào)

MAX8869EUE10,MAX8869EUE18,MAX8869EUE25,MAX8869EUE33,MAX8869EUE50

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