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MAX15010ATJ+ Datasheet(PDF) 11 Page - Maxim Integrated Products

Part No. MAX15010ATJ+
Description  Automotive 300mA LDO Voltage Regulators with Tracker Output and Overvoltage Protector
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX15010ATJ+ Datasheet(HTML) 11 Page - Maxim Integrated Products

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Automotive 300mA LDO Voltage Regulators
with Tracker Output and Overvoltage Protector
______________________________________________________________________________________
11
Pin Description (continued)
PIN
MAX15008
MAX15010
NAME
FUNCTION
15
15
FB_LDO
LDO Voltage Feedback Input. Connect FB_LDO to SGND to select the preset +5V
output voltage. Connect FB_LDO to an external resistive voltage-divider for adjustable
output operation. See the Setting the Output Voltage section.
16
16
EN_LDO
Active-High LDO Enable Input. Connect EN_LDO to IN or to a logic-high voltage to turn
on the regulator. To place the LDO in shutdown, pull EN_LDO low or leave unconnected
and leave HOLD unconnected. EN_LDO is internally pulled to SGND through a 1µA
current sink. See the Control Logic section.
17
17
EN_TRK
Active-High Tracker Enable Input. Connect EN_TRK to IN or to a logic-high voltage to
turn on the tracker. Pull EN_TRK low or leave unconnected to place tracker in
shutdown. EN_TRK is internally pulled to SGND through a 1µA current sink.
18
EN_PROT
Protector Enable Input. Drive EN_PROT low to force GATE low and turn off the external
n-channel MOSFET. EN_PROT is internally pulled to SGND by a 1µA sink. Connect
EN_PROT to IN for normal operation.
19, 20
19, 20
IN
Regulator Input. Bypass IN to SGND with a 10µF capacitor (ESR
≤ 1.5Ω).
21, 22
21, 22
OUT_LDO
LDO Regulator Output. Bypass OUT_LDO to SGND with a low-ESR capacitor with a
minimum value of 22µF. Fixed +5V or adjustable output (+1.8V to +11V). See the
Setting the Output Voltage section.
25
25
HOLD
Active-Low Hold Input. If EN_LDO is high when HOLD is forced low, the regulator
latches the state of the EN_LDO input and allows the regulator to remain turned on
when EN_LDO is subsequently pulled low. To shut down the regulator, release HOLD
after EN_LDO is pulled low. If HOLD functionality is unused, connect HOLD to
OUT_LDO or leave unconnected. HOLD is internally pulled up to OUT_LDO through a
0.6µA current source. See the Control Logic section.
29
29
FB_TRK
Tracker Amplifier Feedback. Connect FB_TRK directly to OUT_TRK or through an
external resistive voltage-divider.
30
30
TRACK
Tracker Input. Bypass TRACK to the SGND with a 3.3µF ceramic capacitor.
EP
EP
EP
Exposed Pad. Connect EP to SGND plane. EP also functions as a heatsink to maximize
thermal dissipation. Do not use as the main ground connection.


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