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BD19914MUV डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Silicon monolithic IC - Rohm

भाग संख्या BD19914MUV
समारोह Silicon monolithic IC
मैन्युफैक्चरर्स Rohm 
लोगो Rohm लोगो 
पूर्व दर्शन
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<?=BD19914MUV?> डेटा पत्रक पीडीएफ

BD19914MUV pdf
○ELECTRICAL CHARACTERISTICS (PVCC1=PVCC2=AVCC=5.0V,Ta=25℃ unless otherwise specified)
Parameter
[TOTAL]
Current consumption
Symbol
ICC
MIN. TYP. MAX.
- 3.6 7.2
Shutdown current
ISHUT
- 1.2
[Input IO Block : ENUP、XENDWN、SELDCO1、SELSQ、SELRST、CSWON]
High level input voltage
VIOH 2.0 -
Low level input voltage
VIOL - -
input current H
IIO1 -5.0 -
3.0
-
0.8
5.0
UNIT
Condition
mA
VDCO1=VDCO2=5V、FB3=0V、
CSWON=ENUP=5V、XENDWN=0V
mA ENUP=0V、XENDWN=5V
V
V
μA Input=5V
input current L
IIO2
-5.0 -
5.0 μA Input=0V
[Step-Down DC-to-DC Converter Block]
VDCO1 voltage
VDCO1A
VDCO1B
1.164
0.970
1.200
1.000
1.236
1.030
V SELDCO1=0V
V SELDCO1=5V
VDCO2 voltage
Oscillation frequency
VDCO2
FOSCDWN
3.201
1.4
3.300
2.0
3.399
2.6
V
MHz
High-side-switch resistance
RONH1,2
-
0.40 0.60
Ω
Low-side-switch resistance
RONL1,2
-
0.30 0.50
Ω
Soft start time
TSOFTDWN
0.6 1.0 1.8 ms No load
[Step-Up DC-to-DC Converter Block]
FB(VREF) voltage
VFB3
0.582 0.600 0.618
V
Oscillation frequency
FOSCUP
0.7 1.0 1.3 MHz
High-side-switch resistance
Low-side-switch resistance
RONH3
RONL3
-
0.35 0.60
Ω
-
0.30 0.50
Ω
Soft-start beginning time
TSOFTUP
7.0 12.0 17.0 ms No load, setting voltage×0.85
AMPOUT3 maximum voltage
VAMPOH
2.2 2.5 2.8
V FB3=0V
AMPOUT3 minimum voltage
VAMPOL
- 0.03 0.20 V FB3=2.5V
Max Duty cycle
DMAX
72 80 88
% FB3=0V
[Reset Block]
VRSTON1A
3.600 3.700 3.800
V AVCC is observed, SELRST=0V
VRSTON1B
4.087 4.200 4.313
V AVCC is observed, SELRST=5V
Reset ON voltage
VRSTON2A
0.855 0.900 0.945
V VDCO1 is observed, SELDCO1=0V
VRSTON2B
0.665 0.700 0.735
V VDCO1 is observed, SELDCO1=5V
VRSTON3
2.565 2.700 2.835
V VDCO2 is observed
VRSTHYS1A 70 100 130 mV AVCC is observed, SELRST=0V
VRSTHYS1B 70 100 130 mV AVCC is observed, SELRST=5V
Reset hysteresis voltage
VRSTHYS2A 70 100 130 mV VDCO1 is observed, SELDCO1=0V
VRSTHYS2B 70 100 130 mV VDCO1 is observed, SELDCO1=5V
VRSTHYS3
70 100 130 mV VDCO2 is observed
XRESET output sink voltage
VRSINK
- - 0.3 V ISINK=5.0mA
XRESET leak current
IRLK
-5.0 -
5.0 μA XRESET=5.0V
Reset delay time
TRST
30 50 70 ms
[Current Switch Block]
Current SW ON resitance
RCSWO
- 0.5 1.0 Ω CSWON=5V
2/4
REV. A
Free Datasheet http://www.datasheet4u.com/

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