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ISL9021AIRUJZ-EVZ

Description
1.5 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT
Categorysemiconductor    Power management   
File Size570KB,12 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
Download Datasheet Parametric View All

ISL9021AIRUJZ-EVZ Overview

1.5 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT

ISL9021AIRUJZ-EVZ Parametric

Parameter NameAttribute value
Minimum input voltage1.5 V
Maximum input voltage5.5 V
Number of functions1
Number of terminals6
stateActive
Adjustment typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
AdjustableFIXED
dropout_voltage1_nom0.1500 V
Maximum voltage difference 10.2500 V
input_voltage_absolute_max6.5 V
jesd_30_codeR-PDSO-N6
Number of outputs1
erating_temperature,_tj_mi-40 Cel
erating_temperature,_tj_max125 Cel
Minimum operating temperature-40 Cel
Maximum operating temperature85 Cel
Maximum output current 10.2500 A
Rated output voltage 11.5 V
Minimum output voltage 11.47 V
Maximum output voltage 11.53 V
Packaging MaterialsPLASTIC/EPOXY
ckage_codeVSON
ckage_equivalence_codeSOLCC6,.06,20
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE
cking_methodTAPE AND REEL
qualification_statusCOMMERCIAL
seated_height_max0.5500 mm
sub_categoryOther Regulators
surface mountYES
CraftsmanshipCMOS
Terminal formNO LEAD
Terminal spacing0.5000 mm
Terminal locationDUAL
voltage_tolerance_max1.8 %
length1.6 mm
width1.6 mm
DATASHEET
ISL9021A
250mA Single LDO with Low I
Q
, Low Noise and High PSRR LDO
The ISL9021A is a single LDO, which provides high
performance, low input voltage and high PSRR. It delivers
guaranteed continuous 250mA load current and is stable with
1µF to 4.7µF of output capacitance (±30%) with an ESR range
of 5m to 400m.
The input voltage range for the ISL9021A is between 1.5V to
5.5V and the output voltage comes in many fixed voltage
options with ±1.8% accuracy over-temperature, line and load
ranges. The ISL9021A has typical PSRR of 75dB @ 10kHz and
50dB @ 1MHz.
The reverse current protection feature prevents current from
flowing back to the power source when the output voltage is
pulled higher than the input.
The ISL9021A is offered in tiny 4-bump 0.975mmx1.155mm
WLCSP and 1.6mmx1.6mm 6 Ld µTDFN packages.
FN7845
Rev 3.00
December 20, 2012
Features
• High performance LDO with 250mA guaranteed continuous
output current
• Input voltage range: 1.5V to 5.5V
• Output voltage range: 1.2V to 3.3V
• High PSRR: 75dB @ 10kHz, 50dB @ 1MHz
• Low quiescent current: 35µA
• Dropout voltage: <150mV @ 250mA
• Stable with 1µF to 4.7µF output capacitance (±30%) with an
ESR range of 5m to 400m
• ±1.8% output accuracy over-temperature/load/line
• Soft-start limits input current surge during enable
• Current limit and overheat protection
• -40°C to +85°C operating temperature range
• Available in 0.975mmx1.155mm 4-bump WLCSP package
and 1.6mmx1.6mm 6 Ld µTDFN
• Pb-free (RoHS compliant)
Related Literature
• See
FN6867,
ISL9021 “250mA Single LDO with Low IQ, Low
Noise and High PSRR LDO”
Applications
• PDAs, cell phones and smart phones
• Portable instruments, MP3 players
• Handheld devices including medical handheld
ISL9021A
VIN (1.5V TO 5.5V)
ON
ENABLE
OFF
C1
EN
GND
VIN
VO
VOUT
C2
C1, C2: 1µF X5R CERAMIC CAPACITOR
FIGURE 1. TYPICAL APPLICATION
FN7845 Rev 3.00
December 20, 2012
Page 1 of 12
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