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PDF LD6836 Data sheet ( Hoja de datos )

Número de pieza LD6836
Descripción Ultra low dropout regulators
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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No Preview Available ! LD6836 Hoja de datos, Descripción, Manual

LD6836 series
Ultra low dropout regulators, low noise, 300 mA
Rev. 2 — 5 October 2012
Product data sheet
1. Product profile
1.1 General description
The LD6836 series is a small-size Low DropOut regulator (LDO) family with a typical
voltage drop of 90 mV at 300 mA current rating. Operating input voltages can range from
2.3 V to 5.5 V. The devices are available with fixed output voltages between 1.2 V
and 3.6 V.
In disabled mode the LD6836x/xxH devices show a high-ohmic state at the output pin
while the LD6836x/xxP devices contain a pull-down switching transistor to provide a
low-ohmic output state (auto discharge function).
The LD6836CX4 and LD6836CX4/C devices are in a 0.4 mm pitch Wafer-Level
Chip-Scale Package (WLCSP) making them ideal for use in portable applications
requiring component miniaturization. The LD6836TD devices are in a small SOT753
Surface-Mounted Device (SMD) plastic package. All devices are manufactured in
monolithic silicon technology.
1.2 Features and benefits
300 mA output current rating
Input voltage range 2.3 V to 5.5 V
Fixed output voltage between 1.2 V and 3.6 V
Dropout voltage 90 mV at 300 mA output rating
Low quiescent current in shutdown mode (typical 0.1 A)
30 V RMS output noise voltage (typical value) at 10 Hz to 100 kHz
Turn-on time 150 s
55 dB Power Supply Rejection Ratio (PSRR) at 1 kHz
Over-temperature protection
Output current limiter
LD6836x/xxH: high-ohmic (3-state) output state when disabled
LD6836x/xxP: low-ohmic output state when disabled (auto discharge function)
Integrated ElectroStatic Discharge (ESD) protection up to 10 kV Human Body
Model (HBM)
WLCSP with 0.4 mm pitch and package size of 0.76 mm 0.76 mm 0.47 mm
Small SOT753 SMD plastic package (SOT23-5 compatible)
Pb-free, Restriction of Hazardous Substances (RoHS) compliant and free of halogen
and antimony (dark green compliant)
Free Datasheet http://www.datasheet.in/

1 page




LD6836 pdf
NXP Semiconductors
4. Block diagram
LD6836 series
Ultra low dropout regulators, low noise, 300 mA
VIN
VEN
Vreference
GENERATOR
THERMAL
PROTECTION
OVERCURRENT
PROTECTION
VOUT
R1
R2
Fig 3. Block diagram of LD6836x/xxH
VIN
VEN
Vreference
GENERATOR
GND
001aan756
VOUT
R1
THERMAL
PROTECTION
R2
OVER CURRENT
PROTECTION
GND
Fig 4. Block diagram of LD6836x/xxP (auto discharge function)
001aan299
LD6836_SER
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 5 October 2012
© NXP B.V. 2012. All rights reserved.
5 of 28
Free Datasheet http://www.datasheet.in/

5 Page





LD6836 arduino
NXP Semiconductors
LD6836 series
Ultra low dropout regulators, low noise, 300 mA
9.4 Quiescent current
Quiescent (or ground) current is the difference between input and output current of the
regulator.

,*1'

DDD




 

IOUT = 0 mA
Fig 11. Quiescent current for LD6836CX4/25H
 
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9.5 Noise
Output noise voltage of an LDO circuit is given as noise density or RMS output noise
voltage over a defined frequency spectrum (10 Hz to 100 kHz). Permanent conditions are
a constant output current and a ripple-free input voltage. The output noise voltage is
generated by the LDO regulator.

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,287
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DDD
 P$
 P$
 P$
 P$
 P$
 P$





Fig 12. Noise density for LD6836x/25x
 
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LD6836_SER
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 5 October 2012
© NXP B.V. 2012. All rights reserved.
11 of 28
Free Datasheet http://www.datasheet.in/

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