MAX1896 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX1896 Datasheet PDF : 10 Pages
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1.4MHz SOT23 Current-Mode
Step-Up DC-DC Converter
SHDN
FB
ENABLE
COMPARATOR
IN
4µA
BIAS
ENABLE
SOFT-
START
SS
TRANSCONDUCTANCE
ERROR AMPLIFIER
ERROR
COMPARATOR
1.24V
OSCILLATOR
SLOPE
COMPEN-
Σ
SATION
CLOCK
CONTROL
AND DRIVER
LOGIC
CURRENT
SENSE
LX
N
GND
MAX1896
Figure 2. Functional Diagram
VIN
2.6V TO 5.5V
ON/OFF
IN
SHDN
L
10µH
CD43-100
LX
MAX1896
10µF
CERAMIC
D1
NIHON
EC10QSO2L
COUT
10µF
CERAMIC
CFF
100pF
0.1µF
CERAMIC
VOUT
13V
SS
FB
CSS
GND
R3
R1
33nF
10kΩ
R2 115kΩ
12kΩ
VIN
2.6V TO 5.5V
C1
L1
ON/OFF
IN
SHDN
LX
MAX1896
C2
L2
COUT
VOUT
GND
SS
FB
R1
R2
Figure 3. MAX1896 with Ceramic Output Capacitor and Feed-
forward Capacitor
Figure 4. MAX1896 in an SEPIC Configuration
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