MAX5060 MAXIM [Maxim Integrated Products], MAX5060 Datasheet - Page 11
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MAX5060
Manufacturer Part Number
MAX5060
Description
0.6V to 5.5V Output, Parallelable, Average-Current-Mode DC-DC Controllers
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX5060.pdf
(31 pages)
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MAX5060
17
18
19
20
21
23
24
26
27
28
—
—
PIN
MAX5061
Average-Current-Mode DC-DC Controllers
______________________________________________________________________________________
12
13
14
15
—
—
—
—
—
1
2
9
RT/SYNC/EN
SENSE+
SENSE-
EAOUT
NAME
DIFF
CSN
EAN
CSP
V
V
EP
0.6V to 5.5V Output, Parallelable,
IN
CC
DD
Voltage-Error-Amplifier Output. Connect to the external gain-setting feedback
resistor. The error-amplifier gain-setting resistors determine the amount of
adaptive voltage positioning.
Voltage-Error-Amplifier Inverting Input. Receives a signal from the output of the
differential remote-sense amplifier (MAX5060). Connect the center tap of the
resistor-divider from the output to SGND (MAX5061).
Differential Remote-Sense Amplifier Output. DIFF is the output of a precision
unity-gain amplifier whose inputs are SENSE+ and SENSE-.
Current-Sense Differential Amplifier Negative Input. The differential voltage
between CSN and CSP is amplified internally by the current-sense amplifier
(gain = 34.5) to measure the inductor current.
Current-Sense Differential Amplifier Positive Input. The differential voltage
between CSP and CSN is amplified internally by the current-sense amplifier
(gain = 34.5) to measure the inductor current.
Differential Output-Voltage-Sensing Negative Input. SENSE- is used to sense a
remote load. Connect SENSE- to V
Differential Output-Voltage-Sensing Positive Input. SENSE+ is used to sense a
remote load. Connect SENSE+ to V
difference between SENSE+ and SENSE- according to the preset reference
voltage of 0.6V.
Supply Voltage Connection. Connect IN to V
Internal +5V Regulator Output. V
to SGND with 4.7µF and 0.1µF ceramic capacitors. For MAX5061, connect an
additional 0.1µF bypass capacitor from V
Supply Voltage for Low-Side and High-Side Drivers. Connect a parallel
combination of 0.1µF and 1µF ceramic capacitors to PGND and a 1 resistor to
V
Switching Frequency Programming and Chip-Enable Input. Connect a resistor
from RT/SYNC/EN to SGND to set the internal oscillator frequency. Drive
RT/SYNC/EN externally to synchronize the switching frequency with system
clock. If RT/SYNC/EN is held low for 50µs, the device turns off the output drivers.
Exposed Paddle. Connect the exposed paddle to a copper pad (SGND) to
improve power dissipation.
CC
to filter out the high peak currents of the driver from the internal circuitry.
Pin Description (continued)
CC
OUT-
FUNCTION
OUT+
is derived from the IN voltage. Bypass V
or PGND at the load.
at the load. The device regulates the
CC
CC
to PGND.
for a +5V system.
CC
11