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BAOOT / BAOOFP series
Regulator ICs
Low saturation voltage type 3-pin regulator
BAOOT / BAOOFP series
The BAT and BAFP series are fixed positive output low drop-out type, 3-pin voltage regulators with positive output. These regulators are used to provide a stabilized output voltage from a fluctuating DC input voltage. There are 10 fixed output voltages, as follows:3V, 3.3V, 5V, 6V*, 7V, 8V, 9V, 10V, 12V and 15V. The maximum current capacity is 1A for each of the above voltages. (Items marked with an asterisk are under development.)
!Application Constant voltage power supply
!Features 1) Built-in overvoltage protection circuit, overcurrent protection circuit and thermal shutdown circuit. 2) TO220FP and TO252-3 packages are available to cover a wide range of applications.
3) Compatible with the BA178 series. 4) Richly diverse lineup. 5) Low minimum I / O voltage differential.
!Product codes
Output voltage (V) Product No. Output voltage (V) Product No.
3.0 3.3 5.0 6.0 7.0
: Under development.
BA03T / FP BA033T / FP BA05T / FP BA06T / FP BA07T / FP

8.0 9.0 10.0 12.0 15.0
BA08T / FP BA09T / FP BA10T / FP BA12T / FP BA15T / FP
!Block diagram
VCC
1
REFERENCE VOLTAGE
- +
OUT
3 +
GND
2
BAOOT / BAOOFP series
Regulator ICs
!Absolute maximum ratings (Ta=25C)
Parameter
Power supply voltage Power dissipation
Symbol VCC Pd Topr Tstg Vsurge
Limits 35 2000 1000
1 2
Unit V mW C C V
TO220FP TO252 - 3
Operating temperature Storage temperature Peak applied voltage
-40~+85 -55~+150 50
3
1 Reduced by 16mW for each increase in Ta of 1C over 25C 2 Reduced by 8mW for each increase in Ta of 1C over 25C 3 Voltage application time : 200 msec. or less
!Recommended operating conditions BA03T / FP
Parameter
Input voltage Output current
BA08T / FP
Symbol Min. VIN Io 4 Typ. Max. 25 1 Unit V A Parameter
Input voltage Output current
Symbol Min. VIN Io 9 -
Typ. -
Max. 25 1
Unit V A
BA033T / FP
Parameter
Input voltage Output current
BA09T / FP
Symbol Min. VIN Io 4.3 Typ. Max. 25 1 Unit V A Parameter
Input voltage Output current
Symbol Min. VIN Io 10 -
Typ. -
Max. 25 1
Unit V A
BA05T / FP
Parameter
Input voltage Output current
BA10T / FP
Symbol Min. VIN Io 6 Typ. Max. 25 1 Unit V A Parameter
Input voltage Output current
Symbol Min. VIN Io 11 -
Typ. -
Max. 25 1
Unit V A
BA06T / FP (under development)
Parameter
Input voltage Output current
BA12T / FP
Typ. Max. 25 1 Unit V A Parameter
Input voltage Output current
Symbol Min. VIN Io 7 -
Symbol Min. VIN Io 13 -
Typ. -
Max. 25 1
Unit V A
BA07T / FP
Parameter
Input voltage Output current
BA15T / FP
Symbol Min. VIN Io 8 Typ. Max. 25 1 Unit V A Parameter
Input voltage Output current
Symbol Min. VIN Io 16 -
Typ. -
Max. 25 1
Unit V A
BAOOT / BAOOFP series
Regulator ICs
!Electrical characteristics BA03T / FP (unless otherwise noted, Ta=25C, VCC=8V, IO=500mA)
Parameter
Output voltage Input stability Ripple rejection ratio Load regulation Temperature coefficient of output voltage Dropout voltage Bias current Peak output current Output short-circuit current
Symbol VO1 Reg.I R.R. Reg.L Tcvo Vd Ib IO-P Ios
Min. 2.85 45 1.0 -
Typ. 3.0 20 55 50 0.02 0.3 2.5 1.5 0.4
Max. 3.15 100 150 0.5 5.0 -
Unit V mV dB mV V mA A A
Conditions - VIN = 425V eIN = 1Vrms, f = 120Hz, Io = 100mA Io = 5mA1A Vcc = 0.95VO Io = 0mA Tj = 25C Vcc = 25V
Measurement circuit Fig.1 Fig.1 Fig.2 Fig.1 Fig.1 Fig.3 Fig.4 Fig.1 Fig.5
% / C Io = 5mA, Tj = 0~125C
BA033T / FP (unless otherwise noted, Ta=25C, VCC=8V, IO=500mA)
Parameter
Output voltage Input stability Ripple rejection ratio Load regulation Temperature coefficient of output voltage Dropout voltage Bias current Peak output current Output short-circuit current
Symbol VO1 Reg.I R.R. Reg.L Tcvo Vd Ib IO-P Ios
Min. 3.13 45 1.0 -
Typ. 3.3 20 55 50 0.02 0.3 2.5 1.5 0.4
Max. 3.47 100 150 0.5 5.0 -
Unit V mV dB mV V mA A A
Conditions - VIN = 4.325V eIN = 1Vrms, f = 120Hz, Io = 100mA Io = 5mA1A Vcc = 0.95VO Io = 0mA Tj = 25C Vcc = 25V
Measurement circuit Fig.1 Fig.1 Fig.2 Fig.1 Fig.1 Fig.3 Fig.4 Fig.1 Fig.5
% / C Io = 5mA, Tj = 0~125C
BA05T / FP (unless otherwise noted, Ta=25C, VCC=10V, IO=500mA)
Parameter
Output voltage Input stability Ripple rejection ratio Load regulation Temperature coefficient of output voltage Dropout voltage Bias current Peak output current Output short-circuit current
Symbol VO1 Reg.I R.R. Reg.L Tcvo Vd Ib IO-P Ios
Min. 4.75 45 1.0 -
Typ. 5.0 20 55 50 0.02 0.3 2.5 1.5 0.4
Max. 5.25 100 150 0.5 5.0 -
Unit V mV dB mV V mA A A
Conditions - VIN = 625V eIN = 1Vrms, f = 120Hz, Io = 100mA Io = 5mA1A Vcc = 4.75V Io = 0mA Tj = 25C Vcc = 25V
Measurement circuit Fig.1 Fig.1 Fig.2 Fig.1 Fig.1 Fig.3 Fig.4 Fig.1 Fig.5
% / C Io = 5mA, Tj = 0~125C
BA06T / FP (unless otherwise noted, Ta=25C, VCC =11V, IO= 500mA) (under development)
Parameter
Output voltage Input stability Ripple rejection ratio Load regulation Temperature coefficient of output voltage Dropout voltage Bias current Peak output current Output short-circuit current
Symbol VO1 Reg.I R.R. Reg.L Tcvo Vd Ib IO-P Ios
Min. 5.7 45 1.0 -
Typ. 6.0 20 55 50 0.02 0.3 2.5 1.5 0.4
Max. 6.3 100 150 0.5 5.0 -
Unit V mV dB mV V mA A A
Conditions - VIN = 725V eIN = 1Vrms, f = 120Hz, Io = 100mA Io = 5mA1A Vcc = 0.95V Io = 0mA Tj = 25C Vcc = 25V
Measurement circuit Fig.1 Fig.1 Fig.2 Fig.1 Fig.1 Fig.3 Fig.4 Fig.1 Fig.5
% / C Io = 5mA, Tj = 0125C
BAOOT / BAOOFP series
Regulator ICs
BA07T / FP (unless otherwise noted, Ta=25C, VCC=12V, IO=500mA)
Parameter
Output voltage Input stability Ripple rejection ratio Load regulation Temperature coefficient of output voltage Dropout voltage Bias current Peak output current Output short-circuit current
Symbol VO1 Reg.I R.R. Reg.L Tcvo Vd Ib IO-P Ios
Min. 6.65 45 1.0 -
Typ. 7.0 20 55 50 0.02 0.3 2.5 1.5 0.4
Max. 7.35 100 150 0.5 5.0 -
Unit V mV dB mV V mA A A
Conditions - VIN = 825V eIN = 1Vrms, f = 120Hz, Io = 100mA Io = 5mA1A Vcc = 0.95VO Io = 0mA Tj = 25C Vcc = 25V
Measurement circuit Fig.1 Fig.1 Fig.2 Fig.1 Fig.1 Fig.3 Fig.4 Fig.1 Fig.5
% / C Io = 5mA, Tj = 0~125C
BA08T / FP (unless otherwise noted, Ta=25C, VCC=13V, IO=500mA)
Parameter
Output voltage Input stability Ripple rejection ratio Load regulation Temperature coefficient of output voltage Dropout voltage Bias current Peak output current Output short-circuit current
Symbol VO1 Reg.I R.R. Reg.L Tcvo Vd Ib IO-P Ios
Min. 7.6 45 1.0 -
Typ. 8.0 20 55 50 0.02 0.3 2.5 1.5 0.4
Max. 8.4 100 150 0.5 5.0 -
Unit V mV dB mV V mA A A
Conditions - VIN = 925V eIN = 1Vrms, f = 120Hz, Io = 100mA Io = 5mA1A Vcc = 0.95VO Io = 0mA Tj = 25C Vcc = 25V
Measurement Circuit Fig.1 Fig.1 Fig.2 Fig.1 Fig.1 Fig.3 Fig.4 Fig.1 Fig.5
% / C Io = 5mA, Tj = 0~125C
BA09T / FP (unless otherwise noted, Ta=25C, VCC=14V, IO=500mA) (under development)
Parameter
Output voltage Input stability Ripple rejection ratio Load regulation Temperature coefficient of output voltage Dropout voltage Bias current Peak output current Output short-circuit current
Symbol VO1 Reg.I R.R. Reg.L Tcvo Vd Ib IO-P Ios
Min. 8.45 45 1.0 -
Typ. 9.0 20 55 50 0.02 0.3 2.5 1.5 0.4
Max. 9.45 100 150 0.5 5.0 -
Unit V mV dB mV V mA A A
Conditions - VIN = 1025V eIN = 1Vrms, f = 120Hz, Io = 100mA Io = 5mA1A Vcc = 0.95VO Io = 0mA Tj = 25C Vcc = 25V
Measurement circuit Fig.1 Fig.1 Fig.2 Fig.1 Fig.1 Fig.3 Fig.4 Fig.1 Fig.5
% / C Io = 5mA, Tj = 0~125C
BA10T / FP (unless otherwise noted, Ta=25C, VCC=15V, IO=500mA)
Parameter
Output voltage Input stability Ripple rejection ratio Load regulation Temperature coefficient of output voltage Dropout voltage Bias current Peak output current Output short-circuit current
Symbol VO1 Reg.I R.R. Reg.L Tcvo Vd Ib IO-P Ios
Min. 9.5 45 1.0 -
Typ. 10 20 55 50 0.02 0.3 2.5 1.5 0.4
Max. 10.5 100 150 0.5 5.0 -
Unit V mV dB mV V mA A A
Conditions - VIN = 1125V eIN = 1Vrms, f = 120Hz, Io = 100mA Io = 5mA1A Vcc = 0.95VO Io = 0mA Tj = 25C Vcc = 25V
Measurement circuit Fig.1 Fig.1 Fig.2 Fig.1 Fig.1 Fig.3 Fig.4 Fig.1 Fig.5
% / C Io = 5mA, Tj = 0~125C
BAOOT / BAOOFP series
Regulator ICs
BA12T / FP (unless otherwise noted, Ta=25C, VCC=17V, IO=500mA)
Parameter
Output voltage Input stability Ripple rejection ratio Load regulation Temperature coefficient of output voltage Dropout voltage Bias current Peak output current Output short-circuit current
Symbol VO1 Reg.I R.R. Reg.L Tcvo Vd Ib IO-P Ios
Min. 11.4 45 1.0 -
Typ. 12 20 55 50 0.02 0.3 2.5 1.5 0.4
Max. 12.6 100 150 0.5 5.0 -
Unit V mV dB mV V mA A A
Conditions - VIN = 1325V eIN = 1Vrms, f = 120Hz, Io = 100mA Io = 5mA1A Vcc = 0.95VO Io = 0mA Tj = 25C Vcc = 25V
Measurement circuit Fig.1 Fig.1 Fig.2 Fig.1 Fig.1 Fig.3 Fig.4 Fig.1 Fig.5
% / C Io = 5mA, Tj = 0~125C
BA15T / FP (unless otherwise noted, Ta=25C, VCC=20V, IO=500mA)
Parameter
Output voltage Input stability Ripple rejection ratio Load regulation Temperature coefficient of output voltage Dropout voltage Bias current Peak output current Output short-circuit current
Symbol VO1 Reg.I R.R. Reg.L Tcvo Vd Ib IO-P Ios
Min. 14.25 45 1.0 -
Typ. 15 20 55 90 0.02 0.3 2.5 1.5 0.4
Max. 15.75 100 200 0.5 5.0 -
Unit V mV dB mV V mA A A
Conditions - VIN = 625V eIN = 1Vrms, f = 120Hz, Io = 100mA Io = 5mA1A Vcc = 0.95VO Io = 0mA Tj = 25C Vcc = 30V
Measurement circuit Fig.1 Fig.1 Fig.2 Fig.1 Fig.1 Fig.3 Fig.4 Fig.1 Fig.5
% / C Io = 5mA, Tj = 0~125C
BAOOT / BAOOFP series
Regulator ICs
!Measurement circuits
V
105W ein
VCC
0.33F
OUT
22F
VCC
100F
OUT
22F eOUT
VCC
GND
IO
V
VCC
0.33F
GND
V
IO = 100mA
eIN = 1Vrms f = 120Hz eIN Ripple rejection ratio R.R. = 20 log ( eOUT )
Fig. 1 Measurement circuit for output voltage, input stability, load regulation, temperature coefficient of output voltage
Fig. 2 Measurement circuit for ripple rejection ratio
V
VCC
VCC
0.33F
0.33F
VCC
OUT 22F GND
OUT
22F
VCC = 0.95VO
GND
IO = 500mA
A
Fig. 3 Measurement circuit for minimum I/O voltage differential
Fig. 4 Measurement circuit for bias current
0.33F VCC
VCC
OUT 22F GND IOS
A
Fig. 5 Measurement circuit for output short-circuit current
BAOOT / BAOOFP series
Regulator ICs
!Operation notes (1) Operating power supply voltage When operating within the normal voltage range and within the ambient operating temperature range, most circuit functions are guaranteed. The rated values cannot be guaranteed for the electrical characteristics, but there are no sudden changes of the characteristics within these ranges. (2) Power dissipation Heat attenuation characteristics are noted on a separate page and can be used as a guide in judging power dissipation. If these ICs are used in such a way that the allowable power dissipation level is exceeded, an increase in the chip temperature could cause a reduction in the current capability or could otherwise adversely affect the performance of the IC. Make sure a sufficient margin is allowed so that the allowable power dissipation value is not exceeded. (3) Output oscillation prevention and bypass capacitor Be sure to connect a capacitor between the output pin and GND to prevent oscillation. Since fluctuations in the valve of the capacitor due to temperature changes may cause oscillations, a tantalum electrolytic capacitor with a small internal series resistance (ESR) is recommended. A 22F capacitor is recommended; however, be aware that if an extremely large capacitance is used (1000 F or greater), then oscillations may occur at low frequencies. Therefore, be sure to perform the appropriate verifications before selecting the capacitor. Also, we recommend connecting a 0.33F bypass capacitor as close as possible between the input pin and GND. (4) Overcurrent protection circuit An overcurrent protection circuit is built into the outputs, to prevent destruction of the IC in the even the load is shorted. This protection circuit limits the current in the shape of a '7'. This circuit is designed with a high margin, so that that current is restricted and latching is prevented, even if a high-capacitance capacitator causes a large amount of current to temporary flow through the IC. However, these protection circuits are only good for pre-venting damage from sudden accidents and should not be used for continuous protection (for instance, clamping at an output of 1VF or greater; below 1VF , the short mode circuit operates). Note that the capacitor has negative temperature characteristics, and the design should take this into consideration. (5) Thermal overload circuit A built-in thermal overload circuit prevents damage from overheating. When the thermal circuit is activated, the outputs are turned OFF. When the temperature drops back to a constant level, the circuit is restored. (6) Internal circuits could be damaged if there are modes in which the electric potential of the application's input (VCC ) and GND are the opposite of the electric potential normally used by each of the outputs. Use of a diode or other such bypass path is recommended. (7) Although the manufacture of this product includes rigorous quality assurance procedures, the product may be damaged if absolute maximum ratings for voltage or operating temperature are exceeded. If damage has occurred, special modes (such as short circuit mode or open circuit mode) cannot be specified. If it is possible that such special modes may be needed, please consider using a fuse or some other mechanical safety mea-sure. (8) When used within a strong magnetic field, be aware that the possibility of malfunction exists.
BAOOT / BAOOFP series
Regulator ICs
!Electrical characteristic curves
25
(1) 22.0
12.5
POWER DISSIPATION : Pd (W)
OUTPUT VOLTAGE : VOUT (V)
6
(1) Infinite heat sink j-c=12.5 (C/W) (2) IC alone j-c=125.0 (C/W)
POWER DISSIPATION : Pd (W)
20
(1) Infinite heat sink, j-c = 5.7 (C/W) (2) 100 x 100 x 2 (mm3), with Al heat sink (3) 50 x 50 x 2 (mm3), with Al heat sink (4) No heat sink j-a = 62.5 (C/W)
VCC = 10V IOUT = 0 BA05T
10
(1) 10.0
5 4
15
(2) 11.0
7.5
3 2
10
(3) 6.5
5
5
(4) 2.0
2.5
(2) 1.0
1 0 25
0
25
50
75
100
125
150
0 0
25
50
75
100
125
150
50
75
100
125
150
175
200
AMBIENT TEMPERATURE : Ta (C)
(Note) When Al thermal plate is used: Tightening torque: 6 (kg-cm) Apply silicon grease
AMBIENT TEMPERATURE : Ta ( C )
JUNCTION TEMPERATURE : Tj (C)
Fig.6 Ta - power dissipation characteristics (TO220FP)
Fig. 7 Ta - power dissipation characteristics (TO 252-3)
Fig. 8 Thermal cutoff circuit characteristics
10 VCC = 10V BA05T
6 BA05T
OUTPUT VOLTAGE : VOUT (V)
OUTPUT VOLTAGE : VOUT (V)
8
5 4
6
3 2
4
2
1 0 0
0 0
1.0 OUTPUT CURRENT : IOUT (A)
2.0
10
20
30
40
50
INPUT VOLTAGE : VCC (V)
Fig. 9 Current limit characteristics
Fig. 10 Over voltage protection characteristics
!External dimensions (Units : mm)
BA T series BA FP series
10.0
1.80.2
+0.3 -0.1 +0.3 -0.1
4.5 3.10.1
+0.3 -0.1
7.0
2.8
+0.2 -0.1
6.50.2 5.0 +0.2 -0.1 (2)
2.30.2 0.50.1
+0.4 -0.2
12.00.2
7.00.3
5.50.2
5.00.2 8.00.2
0.8
13.5Min.
1.3 0.65 2.30.2 0.8 (1) 0.55
+0.1 -0.05
0.65 2.30.2 (3) 0.50.1
2.540.5 (1) (2) (3)
2.540.5
2.60.5 (1) VCC (2) GND (3) OUT (1) VCC (2) GND (3) OUT
TO220FP
TO252-3
1.5 2.5
9.50.5
17.0

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