FS8860 1.0A Adjustable Fixed Voltage Linear Regulator Ordering Informa

The Datasheet Archive - 100 Million Datasheets from 7500 Manufacturers.

FS8860 1.0A Adjustable Fixed Voltage Linear Regulator Ordering Informa

Datasheet Thumbnail

Top Searches for this datasheet

FS8860 1.0A Adjustable Fixed Voltage Linear Regulator Ordering Information
FS8860-xx
Package GSOT-223 HSOT-223 JSOT-223 XSOT-223 MTO-220 NTO-220 OTO-220 PTO-252 QTO-252 RTO-252 STO-263 TTO-263 UTO-263 ZTO-263 1.IN 1.GND 1.GND 1.OUT 1.IN 1.GND 1.GND 1.IN 1.GND 1.GND 1.IN 1.GND 1.GND 1.OUT 2.GND 2.IN 2.OUT 2.GND 2.GND 2.IN 2.OUT 2.GND 2.IN 2.OUT 2.GND 2.IN 2.OUT 2.GND 3.OUT 3.OUT 3.IN 3.IN 3.OUT 3.OUT 3.IN 3.OUT 3.OUT 3.IN 3.OUT 3.OUT 3.IN 3.IN
FS8860 low-dropout linear regulator that operates input voltage from +2.5V +7.0V delivers 1.0A load current. FS8860 available types, either fixed adjustable output voltage. output voltage fixed types preset internally trimmed voltage 1.8V, 2.5V, 3.3V, made with options output range from 1.3V 4.5V 100mV increments. FS8860-19Cx FS8860-29Cx exceptions, which have output voltage 1.85V 2.85V respectively. output range adjustable types from 1.25V FS8860 consists 1.25V reference, error amplifier, P-channel pass transistor allows 65µA (Typ.) ground current. Other features include short-circuit protection thermal shutdown protection.
Note adjustable voltage types, replaced with Temperature Range CCommercial Standard Output Voltage (Fixed voltage types only) 1.3V 2.4V 3.5V 1.4V 2.5V 3.6V 1.5V 2.6V 3.7V 1.6V 2.7V 3.8V 1.7V 2.8V 3.9V 1.8V 2.85V 4.0V 1.85V 3.0V 4.1V 2.0V 3.1V 4.2V 2.1V 3.2V 4.3V 2.2V 3.3V 4.4V 2.3V 3.4V 4.5V output voltages other than preset value available order.
Features
dropout voltage 700mV 1.0A typ. Adjustable output voltage (FS8860-Cx) fixed output voltage (FS8860-xxCx) preset 1.8V, 2.5V, 3.3V High output voltage accuracy Fixed output voltage ±35mV Adjustable output voltage ±50mV Small output capacitor Output current limit Thermal overload shutdown protection SOT-223, TO-220, TO-252 TO-263 Package
Applications
Active SCSI Terminators High Efficiency Linear Regulators Monitor Microprocessor Voltage Micro-Controllers Post Regulator Switching Power
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
1/12
TD0309-0101
VER.
Part FS8860 -xxCG
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
SOT-223
Part FS8860 -xxCP
TO-252
FS8860 -xxCH
FS8860 xxCxxxxx
FS8860 -xxCJ FS8860 -xxCX
FS8860 -xxCQ
FS8860 xxCxxxxx
FS8860 -xxCR
TO-220
Part FS8860 -xxCM
Part
FS8860 xxCxxxxx
TO-263
FS8860 -xxCS FS8860 -xxCT
FS8860 xxCxxxxx
FS8860 -xxCN
FS8860 -xxCO
FS8860 -xxCU FS8860 -xxCZ
Package Marking Information EXFS8860-33CJ
FS8860 33CJxxxx xxxxDate Code
EXFS8860-CJADJ
FS8860 CJxxxx xxxxDate Code
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
2/12
TD0309-0101
VER.
Description
Part FS8860-xxCG FS8860-xxCH FS8860-xxCJ FS8860-xxCX FS8860-xxCM FS8860-xxCN FS8860-xxCO FS8860-xxCP FS8860-xxCQ FS8860-xxCR FS8860-xxCS FS8860-xxCT FS8860-xxCU FS8860-xxCZ
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
Symbol
Description
GND/ADJ
Ground output Adjustable output.
Regulator input.
Regulator output.
regulator input. Supply voltage range from 2.5V 7.0V. Bypass with 10µF capacitor GND. output voltage. Sources 1.0A. Bypass with 10µF capacitor GND. provides reference voltages. This also functions heat sink. Solder large circuit-board ground plane maximize power dissipation. provides VREF=1.25VTyp.for adjustable VOUT.
Typical Application Schematic
10uF FS8860-Cx 10uF
VOUT VREF IADJ
VOUT VREF
FS8860-xxCx
10uF 10uF
VOUT
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
3/12
TD0309-0101
VER.
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
Function Block Diagram
Current Limit
Current Limit
Shutdown Logic
Thermal Protection
Shutdown Logic
Thermal Protection
1.25V Bandgap Reference
1.25V Bandgap Reference
Fixed Voltage Type Adjustable Voltage Type
Absolute Maximum Ratings
Input voltage Output current limit, I(LIMIT) 1.3A Continuous power dissipation, SOT-223 1.80W TO-220 2.40W TO-252 2.00W TO-263 2.20W Storage temperature range, TSTG +150 Operating ambient temperature range Operating junction temperature range +125 Lead temperature (soldering, 10sec)
Stresses beyond those listed under "absolute maximum ratings" cause permanent damage device. These stress ratings only, function operation device these other conditions beyond those indicated under "recommended operating conditions" implied. Exposure absolute-maximum-rated conditions extended periods affect device reliability.
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
4/12
TD0309-0101
VER.
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
Electrical Characteristics
(CIN=10µF, COUT=10µF, TA=25, unless otherwise noted.)
PARAMETER
Input Voltage Output Voltage
CONDITIONS
UNITS
%/mA %/mA µVRMS
Output Voltage Accuracy Maximum Load Current Current Limit Short-Circuit Current Ground Current Current Dropout Voltage (Fixed Output Voltage Version)
VOUTVOUT+ Fixed Voltage Type VOUT VIN=VOUT+1.0V, IOUT=1mA 0.035 0.035 Adjustable Voltage Type 1.20 1.25 1.30 VIN=VOUT+1.2V, IOUT=1mA VIN>VOUT+1.0V, (Fixed Voltage Type) VIN>VOUT+1.2V, (Adjustable Voltage Type) VIN>VOUT+1.0V (Fixed Voltage Type) VOUT=0V (Adjustable VIN>VOUT+1.2V Voltage Type) ILOAD=0mA VIN=VOUT+1.0V ILOAD=0mA VIN=VOUT+1.2V IOUT=100mA IOUT=500mA IOUT=1.0A VOUT+1.0V<VIN<7V, ILOAD=1mA (Fixed Voltage Type) VOUT+1.2V<VIN<7V, ILOAD=1mA (Adjustable Voltage Type) IOUT=0mA 1.0A (Fixed Voltage Type) IOUT=0mA 1.0A (Adjustable Voltage Type) F=1Hz 10KHz, COUT=10µF F=10KHz, COUT=10µF 0.02 SOT-223 TO-220 TO-252 TO-263 1000 0.03 0.15
Line Regulation
Load Regulation Output Noise PSRR Thermal Shutdown Temperature Thermal Shutdown Hysteresis
Thermal Resistance
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
5/12
TD0309-0101
VER.
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
Typical Operating Characteristics
(CIN=10µF, COUT=10µF, TA=+25, unless otherwise noted.)
OUTPUT VOLTAGE INPUT VOLTAGE
GROUND CURRENT TEMPERATURE
OUTPUT VOLTAGE
200mA
GROUND CURRENT (uA)
500mA
INPUT VOLTAGE
*EXModel FS8860-33Cx ILOAD
TEMPERATURE
DROPOUT VOLTAGE LOAD CURRENT
LOAD CURRENT
0.80 0.70 0.60
DROPOUT VOLTAGE (mV)
1000
0.50 0.40 0.30 0.20 0.10 0.00 1000
LOAD CURRENT (mA)
LOAD CURRENT (mA)
POWER SUPPLY REJECTION RATIO FREQUENCY
-100
GROUND CURRENT LOAD CURRENT
GROUND CURRENT (uA)
1000
1000
PSRR (db)
0.01
FREQUENCY (KHz)
LOAD CURRENT (mA)
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
6/12
TD0309-0101
VER.
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
CURRENT INPUT VOLTAGE
OUTPUT VOLTAGE TEMPERATURE
3.34
CURRENT (uA)
OUTPUT VOLTAGE
3.32 3.28 3.26 3.24 3.22
TEMPERATURE
INPUT VOLTAGE
CURRENT LOAD CURRENT
CURRENT TEMPERATURE
58.00
CURRENT (uA)
CURRENT (uA)
1000
56.00 54.00 52.00 50.00 48.00 46.00 44.00
LOAD CURRENT
TEMPERATURE
Vref TEMPERATURE
1.27 1.265 1.26
Vref
1.255 1.25 1.245 1.24 1.235 1.23
ILoad=0
TEMPERATURE
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
7/12
TD0309-0101
VER.
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
Line Transient (IOUT=50mA)
5.0V 5.0V 4.0V
Line Transient (IOUT=250mA)
4.0V
VOUT
COUT 10uF
VOUT
COUT 10uF 50mV/div
50mV/div
Line Transient (IOUT=100mA)
5.0V 4.0V
Line Transient (IOUT=0mA)
5.0V 4.0V
VOUT
COUT 10uF
VOUT
COUT 10uF 10mV/div
50mV/div
Load Transient
100mA IOUT IOUT
Load Transient
500mA 100mA
VOUT
10uF COUT 10uF 100mV/div
VOUT
10uF COUT 10uF 100mV/div
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
8/12
TD0309-0101
VER.
Load Transient
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
Load Transient
1.0A 1.0A IOUT 500mA
IOUT
VOUT
10uF COUT 10uF
VOUT
10uF COUT 10uF 200mV/div
100mV/div
Detail Description
FS8860 low-dropout linear regulator. supplies pre-selected 1.8V, 2.5V 3.3V output made with options output range from 1.3V 4.5V 100mV increments load currents 1.0A. illustrated function block diagram, consists 1.25V reference, error amplifier, p-channel pass transistor internal feedback voltage divider (fixed voltage types). 1.25V bandgap reference connected error amplifier, which compares this reference with feedback voltage amplifies difference. feedback voltage lower than reference voltage, pass-transistor gate pulled lower, which allows more current pass output increases output voltage. feedback voltage high, pass-transistor gate pulled allowing less current pass output. output voltage feed back through internal resistive divider external resistive divider adjustable output voltage version) connected OUT. Additional blocks include output current limiter, thermal sensor, shutdown logic. Internal P-channel Pass Transistor FS8860 features P-channel MOSFET pass transistor. Unlike similar designs using pass
FORTUNE SEMICONDUCTOR +886-2-2809-4742 FAX: +886-2-2809-4874 9/12
transistors, P-channel MOSFETs require base drive, which reduces ground current. PNP-based regulators also waste considerable current dropout when pass transistor saturates, high base-drive currents under large loads. FS8860 does suffer from these problems consumes only 65µA (Typ.) ground current under heavy loads well dropout. Output Voltage Selection fixed voltage version FS8860, output voltage preset internally trimmed voltage, mask option from 1.3V 4.5V. first two-digit part number suffix identifies output voltage (see Ordering Information). example, FS8860-33CJ preset 3.3V output voltage. adjustable voltage version FS8860, output comparing output voltage internally generated reference voltage. VREF available externally 1.25V between VOUT ADJ. output voltage given equation: VOUT=VREF*(1+R2/R1)+IADJ*R2 (see Typical Application Schematic) Current Limit FS8860 also includes fold back current limiter. monitors controls pass transistor's gate voltage, estimating output current limiting 1.3A.
TD0309-0101 VER.
HTTP://WWW.FSC.COM.TW
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
copper traces other materials surrounding air. best heatsinking, copper area should equally shared between OUT, pins. FS8860 uses SOT-223 package, When this package mounted double sided printed circuit board with square inches copper allocated "heat spreading", resulting Based maximum junction temperature with ambient maximum power dissipation will
Thermal Overload Protection Thermal overload protection limits total power dissipation FS8860. When junction temperature exceeds +170, thermal sensor turns pass transistor, allowing cool. thermal sensor turns pass transistor again after junction temperature cools resulting pulsed output during continuous thermal overload conditions. Thermal overload protection designed protect FS8860 event fault conditions. continual operation, absolute maximum junction temperature rating +170 should exceeded. Operating Region Power Dissipation Maximum power dissipation FS8860 depends thermal resistance case circuit board, temperature difference between junction ambient air, rate airflow. power dissipation across devices IOUT (VIN-VOUT). resulting maximum power dissipation
PMAX
(170 1.8125W
Thermal characteristics were measured using double-sided board with square inches copper area connected pins "heat spreading". Input-Output Voltage regulator's minimum input-output voltage differential, dropout voltage, determines lowest usable supply voltage. battery-powered systems, this will determine useful end-of-life battery voltage. FS8860 uses P-channel MOSFET pass transistor, dropout voltage function drain-to-source on-resistance (RDS(ON)) multiplied load current. VDROPOUT VIN-VOUT RDS(ON) IOUT
PMAX
Where (TJ-TA) temperature difference between FS8860 junction surrounding air, thermal resistance package chosen, thermal resistance through printed circuit board,
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
10/12
TD0309-0101
VER.
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
Package Information
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
11/12
TD0309-0101
VER.
FS8860 1.0A Adjustable Fixed Voltage Linear Regulator
FORTUNE SEMICONDUCTOR
HTTP://WWW.FSC.COM.TW
+886-2-2809-4742 FAX: +886-2-2809-4874
12/12
TD0309-0101
VER.

FS8860 1.0A Adjustable Fixed Voltage Linear Regulator Ordering Informa

Top Searches for this datasheet

Other recent searches