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TS1909 Datasheet, PDF (2/6 Pages) Taiwan Semiconductor Company, Ltd – MicroPower VFM Boost DC to Dc Converter
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TS1909
MicroPower VFM Boost DC to Dc Converter
Electrical Specifications (Ta = 25oC, VIN=5V, EN=VIN, IL=0A unless otherwise noted)
Characteristics
Symbol
Conditions
Min
Output Voltage Accuracy
Start-up Voltage (VIN-VF)
(Note 1)
∆VOUT
-2.5
VSTART-UP IOUT=1mA, VIN=rising from 0 to 2V
--
Hold-on Voltage
Supply Current
Internal Switch RDSON
Internal Leakage Current
Maximum Oscillator Frequency
Oscillator Duty On
Enable Input Threshold
Enable Input Current
Efficiency
VHOLD
ISUPPLY
RLX(DSON)
ILX(Leak)
FOSC
DON
VENH
VENL
IENH
IENL
η
IOUT=1mA, VIN=falling from 2 to 0V
No Load
ILX=150mA
VLX=4V, Forced VOUT=3.8V
To be measure on SW pin
Driver ON
Driver OFF
VEN=VIN
VEN=0V
VOUT=2.5V~3.0V, IOUT=50mA
VOUT=3.1V~4.0V, IOUT=50mA
VOUT=4.1V~5.0V, IOUT=50mA
0.6
--
--
--
--
--
0.75
--
--
--
--
--
--
Typ
--
0.8
--
22
850
--
150
77
--
--
--
--
82
83
87
Max Units
+2.5 %
1.2
V
--
V
--
uA
--
mΩ
0.5
uA
--
KHz
--
%
--
V
0.2
0.1
µA
-0.1
--
%
--
%
--
%
Block Diagram
2/2
Version: A10
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