HT46R02M 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT46R02M Datasheet PDF : 69 Pages
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HT46R01M/HT46R02M/HT48R01M/HT48R02M
DC/DC Electrical Characteristics
VIN=VOUT´0.6; IOUT=10mA; Ta=25°C (Unless otherwise specified)
Symbol
Parameter
Test Conditions
VIN
Input Voltage
¾
DVOUT
VSTART
VHOLD
IIN
Output Voltage Tolerance
¾
Start-up Voltage (Fig. 1)
VIN: 0®2V; IOUT=1mA
Minimum Hold-on Voltage (Fig. 1) VIN: 2®0V; IOUT=1mA
No-load Input Current (Fig. 1)
IOUT=0mA
IDD1
IDD2
ISHDN
Supply Current 1 (Fig. 2)
Supply Current 2 (Fig. 2)
Shutdown Current
VS=VOUT´0.95, VOUT=3.0V
Measured at VOUT pin
VS=VOUT+0.5V
Measured at VOUT pin
CE=GND
VIH
CE High Threshold
¾
VIL
CE Low Threshold
¾
ILEAK
LX Leakage Current (Fig. 3)
VS=VOUT+0.5V, VX=6V
Measured at the LX pin
fOSC
Maximum Oscillator Frequency
(Fig. 3)
VS=VOUT´0.95
Measured at the LX pin
DOSC
Oscillator Duty Cycle (Fig. 3)
VS=VOUT´0.95
Measured at the LX pin
h
Efficiency
VOUT=3.0V
Min. Typ. Max. Unit
¾
¾
3.3
V
-2.5 ¾
2.5
%
¾ 0.7 0.9
V
¾
¾
0.7
V
¾
10
20
mA
¾
45
68
mA
¾
4
7
mA
¾ 0.5
1
mA
2
¾
¾
V
¾
¾
0.4
V
¾
¾
0.9 mA
¾ 115 ¾ kHz
65
75
85
%
¾
85
¾
%
Note: Absolute maximum ratings indicate limits beyond which damage to the device may occur. Operating Ratings
indicate conditions for which the device is intended to be functional, but do not guarantee specific performance
limits. The guaranteed specifications apply only for the test conditions listed.
Test Circuit
100mH
1N 5817
V IN
V OUT
47mF
LX
( T a n ta lu m )
VO UT
GND
(F ig . 1 )
100mF
VS
( T a n ta lu m )
VO UT
LX
VS
GND
VO UT
GND
LX
100W
VX
(F ig . 2 )
(F ig . 3 )
Rev. 1.10
7
March 8, 2010
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