HT7750SA(SOT-89) [HOLTEK]

Switching Regulator/Controller, Voltage-mode, 0.2A, 500kHz Switching Freq-Max, CMOS;
HT7750SA(SOT-89)
型号: HT7750SA(SOT-89)
厂家: HOLTEK SEMICONDUCTOR INC    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  
MaximumꢀInputꢀSupplyꢀVoltage.......................... 6.5V  
AmbientꢀTemperatureꢀRangeꢀꢀ............... -40°Cꢀtoꢀ85°C  
StorageꢀTemperatureꢀꢀ.......................... -50°Cꢀtoꢀ125°C  
Note:ꢀTheseꢀareꢀstressꢀratingsꢀonly.ꢀStressesꢀexceedingꢀtheꢀrangeꢀspecifiedꢀunderꢀ"AbsoluteꢀMaximumꢀRatings"ꢀ  
mayꢀcauseꢀsubstantialꢀdamageꢀtoꢀtheꢀdevice.ꢀFunctionalꢀoperationꢀofꢀthisꢀdeviceꢀatꢀotherꢀconditionsꢀbeyondꢀ  
thoseꢀlistedꢀinꢀtheꢀspecificationꢀisꢀnotꢀimpliedꢀandꢀprolongedꢀexposureꢀtoꢀextremeꢀconditionsꢀmayꢀaffectꢀ  
deviceꢀreliability.  
Rev. 1.00  
2
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  
3
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  
4
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.  
AdeadꢀtimeꢀexistsꢀbetweenꢀtheꢀNꢀchannelꢀandꢀPꢀchan-  
nelMOSFETꢀswitchingꢀoperations.ꢀ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  
6
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  
7
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  
8
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  
9
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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