HT77XX(2006) 查看數據表（PDF） - Holtek Semiconductor
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HT77XX Datasheet PDF : 15 Pages
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HT77XX
HT7733, +3.3V Output Type
Symbol
Parameter
VOUT
Output Voltage
VIN
Input Voltage
VSTART Start-up Voltage
VHOLD Min. Hold-on Voltage
IIN
No load Input Current
IDD1
Supply Current 1
IDD2
ISHDN
ILEAK
fOSC
h
DOSC
Supply Current 2
Shutdown Current
LX Leakage Current
Maximum Oscillator Frequency
Efficiency
Oscillator Duty Cycle
VIN=VOUT´0.6; IOUT=10mA; Ta=25°C (Unless otherwise specified)
Test Conditions
Min. Typ. Max. Unit
¾
3.218 3.3 3.382
V
¾
¾
¾
6
V
VIN: 0®2V; IOUT=1mA
VIN: 2®0V; IOUT=1mA
Measured at no load
¾
0.6
0.7
V
¾
¾
0.7
V
¾
10
¾
mA
VIN=VOUT´0.95
Measured at VOUT pin
¾
60
¾
mA
VIN=VOUT+0.5V
Measured at VOUT pin
¾
4
7
mA
VCE=VIL, VIN=VOUT´0.95
VIN=6V
¾
0.5
¾
mA
¾
¾
0.9
mA
VIN=VOUT´0.95
Measured at LX pin
¾
115
¾
kHz
¾
¾
85
¾
%
VIN=VOUT´0.95
Measured at LX pin
65
75
85
%
HT7737, +3.7V Output Type
Symbol
Parameter
VOUT
Output Voltage
VIN
Input Voltage
VSTART Start-up Voltage
VHOLD Min. Hold-on Voltage
IIN
No load Input Current
IDD1
Supply Current 1
IDD2
ISHDN
ILEAK
fOSC
h
DOSC
Supply Current 2
Shutdown Current
LX Leakage Current
Maximum Oscillator Frequency
Efficiency
Oscillator Duty Cycle
VIN=VOUT´0.6; IOUT=10mA; Ta=25°C (Unless otherwise specified)
Test Conditions
Min. Typ. Max. Unit
¾
3.608 3.7 3.793
V
¾
¾
¾
6
V
VIN: 0®2V; IOUT=1mA
VIN: 2®0V; IOUT=1mA
Measured at no load
¾
0.6
0.7
V
¾
¾
0.7
V
¾
10
¾
mA
VIN=VOUT´0.95
Measured at VOUT pin
¾
64
¾
mA
VIN=VOUT+0.5V
Measured at VOUT pin
¾
4
7
mA
VCE=VIL, VIN=VOUT´0.95
VIN=6V
¾
0.5
¾
mA
¾
¾
0.9
mA
VIN=VOUT´0.95
Measured at LX pin
¾
115
¾
kHz
¾
¾
85
¾
%
VIN=VOUT´0.95
Measured at LX pin
65
75
85
%
Rev 1.10
4
March 7, 2006
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