HT7750SA(SOT-89) [HOLTEK]
Switching Regulator/Controller, Voltage-mode, 0.2A, 500kHz Switching Freq-Max, CMOS;型号: | HT7750SA(SOT-89) |
厂家: | HOLTEK SEMICONDUCTOR INC |
描述: | Switching Regulator/Controller, Voltage-mode, 0.2A, 500kHz Switching Freq-Max, CMOS LTE |
文件: | 总19页 (文件大小:3278K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
HT77xxSA
200mA PFM Synchronous
Step-up DC/DC Converter
Features
General Description
•ꢀ Lowꢀstart-upꢀvoltage:ꢀ0.7Vꢀ(Typ.)
TheꢀHT77xxSAꢀdevicesꢀareꢀaꢀhighꢀefficiencyꢀPFMꢀ
synchronousꢀstep-upꢀDC-DCꢀconverterꢀseriesꢀwhichꢀ
areꢀdesignedꢀtoꢀoperateꢀwithꢀbothꢀwireꢀwoundꢀchipꢀ
powerꢀinductorsꢀandꢀalsoꢀwithꢀmulti-layeredꢀchipꢀ
powerꢀinductors.ꢀTheꢀdeviceꢀseriesꢀhaveꢀtheꢀadvantag-
esꢀofꢀextremelyꢀlowꢀstart-upꢀvoltageꢀasꢀwellꢀasꢀhighꢀ
outputꢀvoltageꢀaccuracy.ꢀBeingꢀmanufacturedꢀusingꢀ
CMOSꢀtechnologyꢀensuresꢀultraꢀlowꢀsupplyꢀcurrent.ꢀ
Becauseꢀofꢀtheirꢀhigherꢀoperatingꢀfrequency,ꢀupꢀtoꢀ500ꢀ
kHz,ꢀtheꢀdevicesꢀhaveꢀtheꢀbenefitsꢀofꢀrequiringꢀsmallerꢀ
outlineꢀtypeꢀlowerꢀvalueꢀexternalꢀinductorsꢀandꢀcapac-
itors.ꢀTheꢀhigherꢀoperatingꢀfrequencyꢀalsoꢀoffersꢀtheꢀ
advantagesꢀofꢀmuchꢀreducedꢀaudioꢀfrequencyꢀnoise.ꢀ
Theꢀdevicesꢀrequireꢀonlyꢀthreeꢀexternalꢀcomponentsꢀtoꢀ
provideꢀaꢀfixedꢀoutputꢀvoltageꢀofꢀ2.7V,ꢀ3.0V,ꢀ3.3Vꢀorꢀ
5.0V.
•ꢀ Highꢀefficiency:ꢀ2.7Vꢀ
(Typ.)
V ꢀ 5.0Vꢀupperꢀ90%ꢀ
≤
OUT
≤
•ꢀ Highꢀoutputꢀvoltageꢀaccuracy:ꢀ±2.5%
•ꢀ Outputꢀvoltage:ꢀ2.7V,ꢀ3.0V,ꢀ3.3V,ꢀ5.0V
•ꢀ Outputꢀcurrentꢀupꢀtoꢀ200mA
•ꢀ UltraꢀlowꢀsupplyꢀcurrentꢀIDD:ꢀ5μAꢀ(Typ.)
•ꢀ Lowꢀrippleꢀandꢀlowꢀnoise
•ꢀ Lowꢀshutdownꢀcurrent:ꢀ0.1μAꢀ(Typ.)
•ꢀ TO92,ꢀSOT89,ꢀSOT23ꢀandꢀSOT23-5ꢀpackage
Applications
•ꢀ Palmtops/PDAs
•ꢀ Portableꢀcommunicators/Smartphones
•ꢀ Cameras/Camcorders
TheꢀHT77xxSAꢀdevicesꢀincludeꢀanꢀinternalꢀoscillator,ꢀ
PFMꢀcontrolꢀcircuit,ꢀdriverꢀtransistor,ꢀreferenceꢀvolt-
ageꢀunitꢀandꢀaꢀhighꢀspeedꢀcomparator.ꢀTheyꢀemployꢀ
pulseꢀfrequencyꢀmodulationꢀtechniques,ꢀtoꢀobtainꢀ
minimumꢀsupplyꢀcurrentꢀandꢀrippleꢀatꢀlightꢀoutputꢀ
loading.ꢀTheseꢀdevicesꢀareꢀavailableꢀinꢀspaceꢀsavingꢀ
TO92,ꢀSOT89,ꢀSOT23ꢀandꢀSOT23-5ꢀpackages.ꢀForꢀ
SOT23-5ꢀpackageꢀtypes,ꢀtheyꢀalsoꢀincludeꢀanꢀinternalꢀ
chipꢀenableꢀfunctionꢀtoꢀreduceꢀpowerꢀconsumptionꢀ
whenꢀinꢀtheꢀshutdownꢀmode.
•ꢀ Battery-poweredꢀequipment
Selection Table
Part No.
Output Voltage
Tolerance
Package
HT7727SA
HT7730SA
HT7733SA
HT7750SA
2.7V
3.0V
3.3V
5.0V
TO92
SOT89
SOT23
SOT23-5
±2.5%
Block Diagram
L
X
V
U
O
T
V
U
O
T
V
e
r
f
L
X
L
i
m
e
i
r
t
O
C
S
P
M
F
C
o
n
r
l
o
t
B
f
u
e
f
r
L
X
C
i
h
p
E
n
a
e
b
l
G
D
N
C
E
Rev. 1.00
1
October 04, 2012
HT77xxSA
Pin Assignment
S
T
O
9
8
S
T
O
3
2
S
T
O
3
2
5
-
T
9
O
2
V
U
O
T
L
X
G
D
N
3
5
4
F
o
r
t
n
V
e
i
w
1
2
3
T
o
p
V
e
i
w
T
p
o
V
e
i
w
1
2
3
1
2
3
1
2
C
E
V
U
O
T
N
C
G
D
N
O
V
T
U
L
X
G
D
N
L
X
G
D
N
V
U
O
T
L
X
B
t
o
o
t
m
V
i
w
e
C
E
V
U
O
T
N
C
G
D
N
L
X
G
D
N
V
U
O
T
L
X
Pin Description
Pin No.
Pin Name
Description
Chip enable pin, high active
TO92
SOT89
SOT23
SOT23-5
—
2
—
2
—
3
1
2
3
4
5
CE
VOUT
NC
DC/DC converter output monitoring pin
No connection
—
1
—
1
—
1
GND
LX
Ground pin
3
3
2
Switching pin
Absolute Maximum Ratings
MaximumꢀInputꢀSupplyꢀVoltageꢀ.......................... 6.5V
AmbientꢀTemperatureꢀRangeꢀꢀ............... -40°Cꢀtoꢀ85°C
StorageꢀTemperatureꢀꢀ.......................... -50°Cꢀtoꢀ125°C
Note:ꢀTheseꢀareꢀstressꢀratingsꢀonly.ꢀStressesꢀexceedingꢀtheꢀrangeꢀspecifiedꢀunderꢀ"AbsoluteꢀMaximumꢀRatings"ꢀ
mayꢀcauseꢀsubstantialꢀdamageꢀtoꢀtheꢀdevice.ꢀFunctionalꢀoperationꢀofꢀthisꢀdeviceꢀatꢀotherꢀconditionsꢀbeyondꢀ
thoseꢀlistedꢀinꢀtheꢀspecificationꢀisꢀnotꢀimpliedꢀandꢀprolongedꢀexposureꢀtoꢀextremeꢀconditionsꢀmayꢀaffectꢀ
deviceꢀreliability.
Rev. 1.00
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October 04, 2012
HT77xxSA
Electrical Characteristics
Ta= 25°C; VIN= VOUT×0.6; IOUT= 10mA; unless otherwise specified
Symbol
VIN
Parameter
Input Voltage
Test Conditions
Min.
—
Typ.
—
Max.
6.0
Unit
V
—
ΔVOUT
VSTART
VHOLD
Output Voltage Tolerance
Starting Voltage(Fig.1)
Voltage Hold(Fig.1)
-2.5
—
—
+2.5
0.9
%
V
VIN : 0 to 2V, IOUT=1mA
VIN : 2 to 0V, IOUT=1mA
0.7
—
—
0.7
V
VS=VOUT+0.5V,
Measured at VOUT Pin
IDD1
Supply Current (Fig.2)
—
—
5.0
—
—
μA
μA
VIN=VOUT×0.6, IOUT=0mA
Measurement at LX
IDD2
Un-load Supply Current (Fig.1)
Shutdown Current
ISHDN
CE=GND
—
650
500
2.0
—
0.1
800
650
—
—
—
μA
mA
mA
V
VOUT ≤ 5.0V
ILimit
Current Limit (Fig.1)
2.7V ≤ VOUT ≤ 3.3V
—
VIH
VIL
CE High Threshold
CE Low Threshold
—
—
—
0.4
V
VS=5.5V, VX=4V
Measurement at the LX pin
ILEAK
LX Leakage Current (Fig.3)
—
0.05
—
μA
fOSC
DOSC
η
Oscillator Frequency (Fig.3)
Oscillator Duty Cycle (Fig.3)
Efficiency
—
—
—
500
80
—
—
—
kHz
%
VS=VOUT×0.95
Measurement at the LX pin
2.7V ≤ VOUT ≤ 5.0V, IOUT=10mA
90
%
Note:ꢀAbsoluteꢀmaximumꢀratingsꢀindicateꢀlimitsꢀbeyondꢀwhichꢀdamageꢀtoꢀtheꢀdeviceꢀmayꢀoccur.ꢀOperatingꢀ
Ratingsꢀindicateꢀconditionsꢀforꢀwhichꢀtheꢀdeviceꢀisꢀintendedꢀtoꢀbeꢀfunctional,ꢀbutꢀdoꢀnotꢀguaranteeꢀspecificꢀ
performanceꢀlimits.ꢀTheꢀguaranteedꢀspecificationsꢀapplyꢀonlyꢀforꢀtheꢀtestꢀconditionsꢀlisted.
L
VIN
LX
VOUT
VOUT
10uH
HT77xxSA
CIN
COUT
10uF
GND
10uF
L: ABC SR0503 10uH
C
IN=COUT: muRata 10uF
Fig.1
LX
VS
VS
VOUT
VOUT
LX
HT77xxSA
HT77xxSA
100
GND
GND
VX
Fig.2
Fig.3
Rev. 1.00
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October 04, 2012
HT77xxSA
Application Circuits
Without CE Pin
L
VIN
VOUT
LX
VOUT
10μH
HT77xxSA
CIN
10μF
COUT
10μF
GND
With CE Pin
VIN
L
VOUT
LX
VOUT
10μH
HT77xxSA
CE
CIN
10μF
COUT
10μF
VOUT
GND
L
VIN
VOUT
LX
VOUT
10μH
HT77xxSA
CE
COUT
10μF
CIN
10μF
GND
Rev. 1.00
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October 04, 2012
HT77xxSA
Functional Description
Application Information
TheꢀHT77xxSAꢀisꢀaꢀconstantꢀonꢀtimeꢀsynchronousꢀstep-
upꢀconverter,ꢀwhichꢀusesꢀaꢀpulseꢀfrequencyꢀmodulationꢀ
(PFM)ꢀcontrollerꢀscheme.ꢀTheꢀPFMꢀcontrolꢀschemeꢀisꢀ
inherentlyꢀstable.ꢀTheꢀrequiredꢀinput/outputꢀcapacitorꢀ
andꢀinductorꢀselectionsꢀwillꢀnotꢀcreateꢀsituationsꢀofꢀ
instability.
Inductor Selection
Selectingꢀaꢀsuitableꢀinductorꢀisꢀanꢀimportantꢀconsider-
ationꢀasꢀitꢀisꢀusuallyꢀaꢀcompromiseꢀsituationꢀbetweenꢀ
theꢀoutputꢀcurrentꢀrequirements,ꢀtheꢀinductorꢀsaturation
limitꢀandꢀtheꢀacceptableꢀoutputꢀvoltageꢀripple.ꢀLowerꢀ
valuesꢀofꢀinductorꢀvaluesꢀcanꢀprovideꢀhigherꢀoutputꢀ
currentsꢀbutꢀwillꢀsufferꢀfromꢀhigherꢀrippleꢀvoltagesꢀ
andꢀreducedꢀefficiencies.ꢀHigherꢀinductorꢀvaluesꢀcanꢀ
provideꢀreducedꢀoutputꢀrippleꢀvoltagesꢀandꢀbetterꢀ
efficiencies,ꢀbutꢀwillꢀbeꢀlimitedꢀinꢀtheirꢀoutputꢀcurrentꢀ
ꢀ
Theꢀdeviceꢀincludesꢀaꢀfullyꢀintegratedꢀsynchronousꢀ
rectifierꢀwhichꢀreducesꢀcostsꢀ(includesꢀreduceꢀLꢀandꢀCꢀ
sizes,ꢀeliminatesꢀSchottkyꢀdiodeꢀcostꢀetc.)ꢀandꢀboardꢀ
area.ꢀAꢀtrueꢀloadꢀdisconnectꢀfunctionꢀensuresꢀthatꢀtheꢀ
deviceꢀisꢀcompletelyꢀshutdown.
capabilities.ꢀForꢀallꢀinductorsꢀitꢀmustꢀbeꢀnotedꢀhowever
ꢀ
thatꢀlowerꢀcoreꢀlossesꢀandꢀlowerꢀDCꢀresistanceꢀvaluesꢀ
willꢀalwaysꢀprovideꢀhigherꢀefficiencies.
Low Voltage Start-up
Theꢀdevicesꢀhaveꢀaꢀveryꢀlowꢀstartꢀupꢀvoltageꢀdownꢀtoꢀ
0.7V.ꢀWhenꢀpowerꢀisꢀfirstꢀapplied,ꢀtheꢀsynchronousꢀ
switchꢀwillꢀbeꢀinitiallyꢀoffꢀbutꢀenergyꢀwillꢀbeꢀtrans-
ferredꢀtoꢀtheꢀloadꢀthroughꢀitsꢀintrinsicꢀbodyꢀdiode.
Theꢀpeakꢀinductorꢀcurrentꢀcanꢀbeꢀcalculatedꢀusingꢀtheꢀ
followingꢀequation:
VOUT ×IO
V
×(VOUT −V )
IN
IN
IL(PEAK)
=
+
V
×η
2 ×VOUT ×L
IN
Shutdown
Where
Duringꢀnormalꢀdeviceꢀoperation,ꢀtheꢀENꢀpinꢀshouldꢀbeꢀ
eitherꢀhighꢀorꢀconnectedꢀtoꢀtheꢀVOUTꢀpinꢀorꢀtheꢀVINꢀ
powerꢀsource.ꢀWhenꢀtheꢀdeviceꢀisꢀinꢀtheꢀshutdownꢀ
mode,ꢀthatꢀisꢀwhenꢀtheꢀENꢀpinꢀisꢀpulledꢀlow,ꢀtheꢀinter-
nalꢀcircuitryꢀwillꢀbeꢀswitchedꢀoff.ꢀDuringꢀshutdown,ꢀ
theꢀPMOSꢀpowerꢀtransistorꢀwillꢀbeꢀswitchedꢀoffꢀthusꢀ
placingꢀtheꢀoutputꢀintoꢀaꢀfloatingꢀcondition.
VINꢀ=ꢀInputꢀVoltageꢀ
VOUTꢀ=ꢀOutputꢀVoltageꢀ
IOꢀ=ꢀOutputꢀCurrentꢀ
ηꢀ=ꢀEfficiencyꢀ
Lꢀ=ꢀInductor
Capacitor Selection
Synchronous Rectification
Asꢀtheꢀoutputꢀcapacitorꢀselectedꢀaffectsꢀbothꢀefficien-
cyꢀandꢀoutputꢀrippleꢀvoltage,ꢀitꢀmustꢀbeꢀchosenꢀwithꢀ
careꢀtoꢀachieveꢀbestꢀresultsꢀfromꢀtheꢀconverter.ꢀOutputꢀ
voltageꢀrippleꢀisꢀtheꢀproductꢀofꢀtheꢀpeakꢀinductorꢀcurrentꢀ
andꢀtheꢀoutputꢀcapacitorꢀequivalentꢀseriesꢀresistanceꢀ
orꢀESRꢀforꢀshort.ꢀItꢀisꢀimportantꢀthatꢀlowꢀESRꢀvalueꢀ
capacitorsꢀareꢀusedꢀtoꢀachieveꢀoptimumꢀperformance.ꢀ
OneꢀmethodꢀtoꢀachieveꢀlowꢀESRꢀvaluesꢀisꢀtoꢀconnectꢀ
twoꢀorꢀmoreꢀfilterꢀcapacitorsꢀinꢀparallel.ꢀTheꢀcapacitorsꢀ
valuesꢀandꢀratedꢀvoltagesꢀareꢀonlyꢀsuggestedꢀvalues.
AꢀdeadꢀtimeꢀexistsꢀbetweenꢀtheꢀNꢀchannelꢀandꢀPꢀchan-
nelꢀMOSFETꢀswitchingꢀoperations.ꢀInꢀsynchronousꢀ
rectification,ꢀtheꢀPꢀchannelꢀisꢀreplacedꢀbyꢀaꢀSchottkyꢀ
diode.ꢀHereꢀtheꢀPꢀchannelꢀswitchꢀmustꢀbeꢀcompletelyꢀ
offꢀbeforeꢀtheꢀNꢀchannelꢀswitchꢀisꢀswitchedꢀon.ꢀAfterꢀ
eachꢀcycle,ꢀaꢀ30nsꢀdelayꢀtimeꢀisꢀinsertedꢀtoꢀensureꢀtheꢀ
NꢀchannelꢀswitchꢀisꢀcompletelyꢀoffꢀbeforeꢀtheꢀPꢀchannel
ꢀ
switchꢀisꢀswitchedꢀonꢀtoꢀmaintainꢀaꢀhighꢀefficiencyꢀ
overꢀaꢀwideꢀinputꢀvoltageꢀandꢀoutputꢀpowerꢀrange.
Rev. 1.00
5
October 04, 2012
HT77xxSA
•ꢀ Allꢀtracksꢀshouldꢀbeꢀasꢀwideꢀasꢀpossible.
Layout Considerations
Circuitꢀboardꢀlayoutꢀisꢀaꢀveryꢀimportantꢀconsiderationꢀ
forꢀswitchingꢀregulatorsꢀifꢀtheyꢀareꢀtoꢀfunctionꢀprop-
erly.ꢀ
•ꢀ Theꢀinputꢀandꢀoutputꢀcapacitorsꢀshouldꢀbeꢀplacedꢀ
asꢀcloseꢀasꢀpossibleꢀtoꢀtheꢀVIN,ꢀVOUTꢀandꢀGNDꢀ
pins.
•ꢀ Aꢀfullꢀgroundꢀplaneꢀisꢀalwaysꢀhelpfulꢀforꢀbetterꢀ
EMIꢀperformance.
Poorꢀcircuitꢀlayoutꢀmayꢀresultꢀinꢀrelatedꢀnoiseꢀprob-
lems.ꢀInꢀorderꢀtoꢀminimiseꢀEMIꢀandꢀswitchingꢀnoise,ꢀ
noteꢀtheꢀfollowingꢀguidelines:
Top Layer
Top Layer
Top Layer
Bottom Layer
Bottom Layer
Bottom Layer
Top Layer
Bottom Layer
Rev. 1.00
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October 04, 2012
HT77xxSA
Typical Performance Characteristics
HT7750SA
Fig 4. Ripple Voltage vs. Output Current
Fig 1. Output Voltage vs. Output Current
Fig 2. Efficiency vs. Output Current
Fig 5. Load Transient Response
(L=10 H, C =C =10 F, V =3.0V)
m
m
IN
OUT
IN
Fig 3. Start-up & Hold-on Voltage
Fig 6. Line Transient Response
(L=10 H, C =C =10 F, V =3.0V)
m
m
IN
OUT
IN
Rev. 1.00
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October 04, 2012
HT77xxSA
HT7733SA
Fig 7. Output Voltage vs. Output Current0%
Fig 10. Ripple Voltage vs. Output Current
Fig 8. Efficiency vs. Output Current
Fig 11. Load Transient Response
(L=10 H, C =C =10 F, V =1.98V)
m
m
IN
OUT
IN
Fig 9. Start-up & Hold-on Voltage
Fig 12. Line Transient Response
(L=10 H, C =C =10 F, V =1.98V)
m
m
IN
OUT
IN
Rev. 1.00
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October 04, 2012
HT77xxSA
HT7730SA
Fig 16. Ripple Voltage vs. Output Current
Fig 13. Output Voltage vs. Output Current
Fig 17. Load Transient Response
(L=10 H, C =C =10 F, V =1.8V)
Fig 14. Efficiency vs. Output Current
m
m
IN
OUT
IN
Fig 15. Start-up & Hold-on Voltage
Fig 18. Line Transient Response
(L=10 H, C =C =10 F, V =1.8V)
m
m
IN
OUT
IN
Rev. 1.00
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October 04, 2012
HT77xxSA
Package Information
Noteꢀthatꢀtheꢀpackageꢀinformationꢀprovidedꢀhereꢀisꢀforꢀconsultationꢀpurposesꢀonly.ꢀAsꢀthisꢀinformationꢀmayꢀbeꢀ
updatedꢀatꢀregularꢀintervalsꢀusersꢀareꢀremindedꢀtoꢀconsultꢀtheꢀHoltekꢀwebsiteꢀ(http://www.holtek.com.tw/english/
literature/package.pdf)ꢀforꢀtheꢀlatestꢀversionꢀofꢀtheꢀpackageꢀinformation.
3-pin SOT23 Outline Dimensions
D
C
L
H
E
G
e
A
A
2
b
A
1
Dimensions in inch
Symbol
Min.
0.039
―
Nom.
―
Max.
0.051
0.004
0.035
0.020
0.010
0.122
0.071
―
A
A1
A2
b
―
0.028
0.014
0.004
0.106
0.055
―
―
―
C
D
E
―
―
―
e
0.075
―
H
L
0.102
0.015
0°
0.118
―
―
θ
―
9°
Dimensions in mm
Symbol
Min.
1.00
―
Nom.
―
Max.
1.30
0.10
0.90
0.50
0.25
3.10
1.80
―
A
A1
A2
b
―
0.70
0.35
0.10
2.70
1.40
―
―
―
C
D
E
―
―
―
e
1.90
―
H
L
2.60
0.37
0°
3.00
―
―
θ
―
9°
Rev. 1.00
10
October 04, 2012
HT77xxSA
5-pin SOT23-5 Outline Dimensions
D
C
L
E
H
G
e
A
A
2
b
A
1
Dimensions in inch
Symbol
Min.
0.039
―
Nom.
―
Max.
A
A1
A2
b
0.051
0.004
0.035
0.020
0.010
0.122
0.071
―
―
0.028
0.014
0.004
0.106
0.055
―
―
―
C
D
E
―
―
―
e
0.075
―
H
L
0.102
0.015
0°
0.118
―
―
θ
―
9°
Dimensions in mm
Symbol
Min.
1.00
―
Nom.
―
Max.
1.30
0.10
0.90
0.50
0.25
3.10
1.80
―
A
A1
A2
b
―
0.70
0.35
0.10
2.70
1.40
―
―
―
C
D
E
―
―
―
e
1.90
―
H
L
2.60
0.37
0°
3.00
―
―
θ
―
9°
Rev. 1.00
11
October 04, 2012
HT77xxSA
3-pin SOT89 Outline Dimensions
I
A
B
J
C
E
D
G
F
H
Dimensions in inch
Symbol
Min.
Nom.
―
Max.
A
B
C
D
E
F
G
H
I
0.173
0.059
0.090
0.035
0.155
0.014
0.017
―
0.181
0.072
0.102
0.047
0.167
0.019
0.022
―
―
―
―
―
―
―
0.059
―
55
63
J
14
―
17
Dimensions in mm
Symbol
Min.
4.39
1.50
2.29
0.89
3.94
0.36
0.43
―
Nom.
―
Max.
4.60
1.83
2.59
1.19
4.24
0.48
0.56
―
A
B
C
D
E
F
G
H
I
―
―
―
―
―
―
1.50
―
1.40
0.36
1.60
0.43
J
―
Rev. 1.00
12
October 04, 2012
HT77xxSA
3-pin TO92 Outline Dimensions
)
*
,
+
-
.
/
0
Dimensions in inch
Symbol
Min.
Nom.
―
Max.
A
B
C
D
E
F
0.170
0.200
0.200
―
0.170
0.500
0.011
0.090
0.045
0.045
0.130
0°
―
―
―
0.020
0.110
0.055
0.065
0.160
10°
―
―
G
H
α
―
―
―
Dimensions in mm
Symbol
Min.
4.32
4.32
12.70
0.28
2.29
1.14
1.14
3.30
0°
Nom.
―
Max.
5.08
5.08
―
A
B
C
D
E
F
―
―
―
0.51
2.79
1.40
1.65
4.06
10°
―
―
G
H
α
―
―
―
Rev. 1.00
13
October 04, 2012
HT77xxSA
Product Tape and Reel Specifications
Reel Dimensions
,
6
+
)
*
6
ꢀ
SOT23-3, SOT23-5
Symbol
Description
Dimensions in mm
A
B
Reel Outer Diameter
Reel Inner Diameter
Spindle Hole Diameter
Key Slit Width
178.0±1.0
62.0±1.0
13.0±0.2
2.50±0.25
8.4 +1.5/-0.0
11.4 +1.5/-0.0
C
D
T1
T2
Space Between Flange
Reel Thickness
SOT89-3
Symbol
Description
Dimensions in mm
178.0±1.0
62.0±1.0
A
B
Reel Outer Diameter
Reel Inner Diameter
Spindle Hole Diameter
Key Slit Width
C
13.0±0.2
D
2.50±0.25
8.4 +1.5/-0.0
T1
T2
Space Between Flange
Reel Thickness
11.4 +1.5/-0.0
Rev. 1.00
14
October 04, 2012
HT77xxSA
TO92 Reel Dimensions (Unit: mm)
P
c
a
k
a
U
g
,
p
e
F
a
t
l
i
S
e
d
U
p
3
0
P
c
a
k
a
U
g
,
p
e
l
t
a
F
i
S
e
d
D
o
w
n
5
8
4
3
8
8
3
6
0
Rev. 1.00
15
October 04, 2012
HT77xxSA
Carrier Tape Dimensions
P
0
P
1
t
D
E
F
W
B
0
C
D
1
P
K
0
A
0
R
e
e
H
o
l
e
l
I
C
a
c
p
k
a
g
1
e
a
n
p
t
h
d
i
e
r
e
n
e
h
l
e
o
l
a
r
l
e
c
o
t
a
d
e
o
n
t
e
h
s
m
a
e
i
s
d
e
.
SOT23-3, SOT23-5
Symbol
Description
Dimensions in mm
8.0±0.3
W
P
Carrier Tape Width
Cavity Pitch
4.0±0.1
E
Perforation Position
1.75±0.10
3.50±0.05
1.5 +0.1/-0.00
1.5 +0.1/-0.00
4.0±0.1
F
Cavity to Perforation (Width Direction)
Perforation Diameter
Cavity Hole Diameter
Perforation Pitch
D
D1
P0
P1
A0
B0
K0
t
Cavity to Perforation (Length Direction)
Cavity Length
2.00±0.05
3.15±0.10
3.2±0.1
Cavity Width
Cavity Depth
1.4±0.1
Carrier Tape Thickness
Cover Tape Width
0.20±0.03
5.3±0.1
C
Rev. 1.00
16
October 04, 2012
HT77xxSA
SOT89-3
Symbol
Description
Carrier Tape Width
Dimensions in mm
W
P
12.0+0.3/-0.1
Cavity Pitch
8.0±0.1
E
Perforation Position
Cavity to Perforation (Width Direction)
Perforation Diameter
Cavity Hole Diameter
Perforation Pitch
1.75±0.10
5.50±0.05
1.5 +0.1/-0.00
1.5 +0.1/-0.00
4.0±0.1
F
D
D1
P0
P1
A0
B0
K0
t
Cavity to Perforation (Length Direction)
Cavity Length
2.0±0.1
4.8±0.1
Cavity Width
4.5±0.1
Cavity Depth
1.8±0.1
Carrier Tape Thickness
Cover Tape Width
0.300±0.013
9.3±0.1
C
Rev. 1.00
17
October 04, 2012
HT77xxSA
Carrier Tape Dimensions
P
,
h
W
2
H
1
H
H
0
t
l
1
W
0
W
1
W
F
1
F
2
D
0
P
2
P
0
TO92
Symbol
I1
Description
Dimensions in mm
(2.5)
Taped Lead Length
Component Pitch
Perforation Pitch
P
12.7±1.0
12.7±0.3
6.35±0.40
2.5 +0.4/-0.0
2.5 +0.4/-0.0
0.0±0.1
P0
P2
F1
F2
Δh
W
Component to Perforation (Length Direction)
Lead Spread
Lead Spread
Component Alignment
Carrier Tape Width
18.0 +1.0/-0.5
W0
W1
W2
H0
H1
D0
t
Hold-down Tape Width
Perforation Position
6.0±0.5
9.0±0.5
Hold-down Tape Position
Lead Clinch Height
(0.5)
16.0±0.5
Less than 24.7
4.0±0.2
Component Height
Perforation Diameter
Taped Lead Thickness
Component Base Height
0.7±0.2
H
19.0±0.5
Note:ꢀThicknessꢀlessꢀthanꢀ0.38±0.05mm~0.5mm.
P0 Accumulated pitch tolerance: ±1mm/20pitches.
( ) Bracketed figures are for reference only.
Rev. 1.00
18
October 04, 2012
HT77xxSA
Holtek Semiconductor Inc. (Headquarters)
No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan
Tel: 886-3-563-1999
Fax: 886-3-563-1189
http://www.holtek.com.tw
Holtek Semiconductor Inc. (Taipei Sales Office)
4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan
Tel: 886-2-2655-7070
Fax: 886-2-2655-7373
Fax: 886-2-2655-7383 (International sales hotline)
Holtek Semiconductor (China) Inc.
Building No. 10, Xinzhu Court, (No. 1 Headquarters), 4 Cuizhu Road, Songshan Lake, Dongguan, China 523808
Tel: 86-769-2626-1300
Fax: 86-769-2626-1311
Holtek Semiconductor (USA), Inc. (North America Sales Office)
46729 Fremont Blvd., Fremont, CA 94538, USA
Tel: 1-510-252-9880
Fax: 1-510-252-9885
http://www.holtek.com
Copyright© 2012 by HOLTEK SEMICONDUCTOR INC.
The information appearing in this Data Sheet is believed to be accurate at the time of publication.
However, Holtek assumes no responsibility arising from the use of the specifications described.
The applications mentioned herein are used solely for the purpose of illustration and Holtek makes
no warranty or representation that such applications will be suitable without further modification,
nor recommends the use of its products for application that may present a risk to human life due to
malfunction or otherwise. Holtek's products are not authorized for use as critical components in life
support devices or systems. Holtek reserves the right to alter its products without prior notification. For
the most up-to-date information, please visit our web site at http://www.holtek.com.tw.
Rev. 1.00
19
October 04, 2012
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