MAX1822ESA Maxim, MAX1822ESA Datasheet
MAX1822ESA
Manufacturer Part Number
MAX1822ESA
Description
High-Side Power Supply
Manufacturer
Maxim
Datasheet
1.MAX1822ESA.pdf
(10 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MAX1822ESA
Manufacturer:
MAXIM/美信
Quantity:
20 000
The MAX1822 high-side supply, using a regulated
charge pump, generates a regulated output voltage
11V greater than the input supply voltage to power
high-side switching and control circuits. The MAX1822
allows low-resistance N-channel MOSFETs (FETs) to be
used in circuits that normally require costly, less effi-
cient P-channel FETs and PNP transistors. The high-
side output also eliminates the need for logic FETs in
+5V and other low-voltage switching circuits.
A +3.5V to +16.5V input supply range and a typical qui-
escent current of only 150µA make the MAX1822 ideal
for a wide range of line- and battery-powered switching
and control applications where efficiency is crucial.
Also provided is a logic-level power-ready output (PR)
to indicate when the high-side voltage reaches the
proper level.
The MAX1822 comes in an 8-pin SO package and
requires three inexpensive external capacitors. The
MAX1822 is a pin-for-pin replacement to the MAX622.
________________________Applications
19-1892; Rev 0; 1/01
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
_______________General Description
CERAMIC
High-Side Power Control with N-Channel FETs
Low-Dropout Voltage Regulators
Power Switching from Low Supply Voltages
H-Switches
Stepper Motor Drivers
Battery-Load Management
Portable Computers
0.1µF
C1
C2
Typical Operating Circuit
1
7
6
2
________________________________________________________________ Maxim Integrated Products
C1+
C1-
C2+
C2-
+3.5V TO +16.5V
MAX1822
GND
8
V
CC
4
V
OUT
PR
5
3
+12.5V TO +27.5V
C3
High-Side Power Supply
____________________________Features
o +3.5V to +16.5V Operating Supply Voltage Range
o Output Voltage Regulated to V
o 150µA (typ) Quiescent Current
o Power-Ready Output
MAX1822ESA
TOP VIEW
PART
GND
C1+
C2-
PR
1
2
4
3
TEMP. RANGE
-40°C to +85°C
Ordering Information
MAX1822
SO
Pin Configuration
CC
6
8
7
5
8 SO
PIN-PACKAGE
V
C1-
C2+
V
+ 11V (typ)
CC
OUT
1
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