BA9700A View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
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BA9700A Datasheet PDF : 7 Pages
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Regulator ICs
BA9700A / BA9700AF / BA9700AFV
!Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 5.0V, Rt = 10kΩ, and Ct = 330pF)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
〈Reference voltage section〉
Output voltage
Vref
2.48 2.57 2.66
V
Iref = 0.1mA
1/2 Vref output voltage
1/2 Vref 1.22 1.29 1.36
V
Line regulation
Line
-
3.00 12.0
mV VCC = 3.55V~24V
Load regulation 1
Load1
-
1.00
5.00
mV Iref = 0.1mA~1.0mA
Load regulation 2
Load2
-
6.00
10.0
mV Iref = 0.1mA~8.0mA
Output voltage when power decreases
Vref
2.48 2.57 2.66
V
Iref = 0.1mA, VCC = 3.55V
Output current when short-circuited
Iosc
-
10.0 30.0
mA Vref = 0V
〈Triangular wave oscillation section〉
Oscillation frequency
fosc
-
230
-
kHz RT = 10kΩ, CT = 330pF
Standard deviation of
oscillation frequency
fosc
-
10
-
% RT and CT are constant
Frequency variation (VCC )
fdv
-
1
-
% VCC = 3.55~24V
〈Error amplifier section〉
Input offset voltage
VIO
-6.0
-
6.0
mV Null Method
Input offset current
IIO
-100
-
100
nA Null Method
Maximum input voltage
VICR
1.60 1.90
-
V Null Method
Open loop gain
AV
70.0 80.0
-
dB Null Method
Common-mode rejection ratio
CMRR 70.0 80.0
-
dB Null Method
Input bias current
IIB
-
180 500
nA Null Method
〈PWM comparator section〉
Threshold voltage 1
Vt0
-
2.04 2.24
V
DUTY 0%
Threshold voltage 2
Vt100
1.25 1.43
-
V
DUTY 100%
〈Output section〉
Output transistor leakage current
Leak
-
-
10.0
µA
VO = 24V
Output saturation voltage
Vsat
-
1.70 2.10
V
IO = 50mA
〈Total device〉
Quiescent current
ICC
-
1.70 2.40 mA RT = OPEN POWER SW = 2.5V
Standby current
ICCS
-
0
7.00
µA
POWER SW = 0V
Operating voltage
VCC
3.55
-
24.0
V
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