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MAX1852EXT-T

P1-P3P4-P6P7-P8
MAX1852/MAX1853
SC70 Inverting Charge Pumps
with Shutdown
_______________________________________________________________________________________ 7
Table 2. Capacitor Selection to Minimize
Output Resistance
Table 3. Capacitor Selection to Minimize
Capacitor Size
Table 1. Low-ESR Capacitor Manufacturers
PART
FREQUENCY
(kHz)
CAPACITOR
(µF)
TYPICAL
R
OUT
(Ω)
MAX1852 50 4.7 15
MAX1853 200 1 15
PART
FREQUENCY
(kHz)
CAPACITOR
(µF)
TYPICAL
R
OUT
(Ω)
MAX1852 50 3.3 20
MAX1853 200 0.68 20
714-960-6492
803-626-3123
603-224-1430
714-960-6492
803-626-3123
FAXPHONE
803-946-0690
714-969-2491
603-224-1961
803-946-0690
714-969-2491X7R
X7R
593D, 595D series
267 series
TPS series
SERIES
Matsuo
AVX
Sprague
Matsuo
AVX
MANUFACTURER
PRODUCTION
METHOD
Surface-Mount
Tantalum
Surface-Mount
Ceramic
MAX1852
MAX1853
4
3
1
V
OUT
= (2V
IN
) -
(V
FD1
) - (V
FD2
)
C2
+V
IN
C1
5
2
6
V
OUT
= -V
IN
C4
D1
D1, D2 = 1N4148
C3
D2
SHDN
Figure 6. Combined Doubler and Inverter
MAX1852
MAX1853
2
1
GND
OUT
V+
R
L
Figure 7. Heavy Load Connected to a Positive Supply
TRANSISTOR COUNT: 252
MAX1852
MAX1853
MAX1852
MAX1853
4
1
V
OUT
C2
4
+V
IN
C1
C1
5
5
22
6
3
3
61
V
OUT
= -V
IN
R
OUT
=
R
OUT
OF SINGLE DEVICE
NUMBER OF DEVICES
…
…
SHDN
Figure 5. Paralleling MAX1852/MAX1853s to Reduce Output
Resistance
Chip Information
MAX1852
MAX1853
MAX1852
MAX1853
4
1
V
OUT
C2
4
+V
IN
C1
C2
SHDN
C1
55
22
6
33
61
V
OUT
= -nV
IN
…
…
Figure 4. Cascading MAX1852/MAX1853s to Increase Output
Voltage
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
8 ___________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600
© 2000 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.
MAX1852/MAX1853
SC70 Inverting Charge Pumps
with Shutdown
________________________________________________________Package Information
SC70, 6L.EPS
P1-P3P4-P6P7-P8

MAX1852EXT-T

Mfr. #:
Buy MAX1852EXT-T
Manufacturer:
Maxim Integrated
Description:
Switching Voltage Regulators Inverting w/Shutdown
Lifecycle:
New from this manufacturer.
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