BD6111FV 반도체 회로 부품 판매점
negative voltage IC
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 ROHM Semiconductor |
www.DataSheet4U.com
99W028A
Variable output, negative voltage IC
BD6111FV
Description
The BD6111FV is a charge-pump, negative supply IC
containing a regulator. The charge pump block inverts
a positive power supply voltage that is inputted to
VBAT pin into a negative voltage and outputs it from
the NEGOUT pin. The regulator block stabilizes this
negative voltage with low-noise and outputs it from
OUT pin. Output voltage values of this regulator can
be controlled by voltage value inputted to VIN pin and
determined by OUT=-1.6 VIN .
Dimension(Units:mm)
Features
1) Highly efficient, built-in inverting charge pump
2) Built-in variable, negative voltage linear regulator.
3) Built-in stand-by switch circuit (pull down resistor 1M Ω)
4) Compact SSOP-B8 package
SSOP-B8
Applications
Compact information computer terminal, such as PDC, PHS and PDA.
Battery driving apparatus requiring negative voltage.
Absolute Maximum Ratings (Ta=25˚C)
Parameter
Maximum applied power supply voltage
Maximum applied input voltage
Power dissipation
Symbol
VBAT
VIN
Pd
Operating temperature range
Topr
Storage temperature
Tstg
*Derating:3.0mW/˚C for operation above Ta=25˚C.
Limits
-0.3 ~ +6.0
-0.3 ~ +6.0
300 *
-20 ~ +70
-55 ~ +125
Unit
V
V
mW
˚C
˚C
December, 1999
Recommended Operating Conditions (Ta=25˚C)
Parameter
Power supply voltage
Symbol
VBAT
Min.
2.5
Typ.
-
Max.
5.5
Unit
V
Electrical characteristics (Unless otherwise noted: Ta=25˚C, VBAT=3.6V, STBY=3.6V)
Parameter
Symbol
Circuit current
IQ1
Stand-by current
IQ2
<Regulator block>
Output voltage
Vo
Output ripple voltage
VRR
Maximum output current
IoMAX
Load stability
VOL
Input stability
VOI
VIN pin inflow current
IIN
<Charge pump block>
Oscillation frequency
fosc
Voltage conversion efficiency VCE
Stand-by pin pull down resistor RSTBY
Stand-by pin Operation
Control voltage Non-operation
VIH
VIL
Min.
-
-
-2.1
-
20
-
-
-
-
-
0.6
2.0
-0.3
Typ. Max.
0.6 3
-5
-2.0 -1.9
-70 -60
--
2 40
5 40
02
120 -
97 -
1.0 1.6
--
- 0.3
Unit Conditions
mA No-load, VIN=1.25V
µA No-load, VIN=0V, STBY=0V
V
dBV
mA
mV
mV
µA
VIN=1.25V, IOUT=10mA
VIN=1.25V, IOUT=10mA
VIN=1.25V, VOUT Vo+0.1V
VIN=1.25V, Io=0~10mA
VIN=1.25V
kHz
% No-load, NEGOUT monitor
MΩ
V
V
Application circuit
C+
1
GND
C1
1µ
2
C-
3
NEGOUT
C2 4
1µ
CHARGE
PUMP
VBAT
8
STBY
7
1M
C4
1µ
1.6M
OUT
6
+ - + 5 VIN
1M
C3
1µ
BD6111FV
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제조업체: ROHM Semiconductor
( rohm )
BD6111FV data
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국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
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