BD18KA5F [ROHM]

500mA Secondary LDO Regulators for Local Power Supplies; 500毫安辅助LDO稳压器为本地电源
BD18KA5F
型号: BD18KA5F
厂家: ROHM    ROHM
描述:

500mA Secondary LDO Regulators for Local Power Supplies
500毫安辅助LDO稳压器为本地电源

稳压器
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中文:  中文翻译
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Secondary LDO Regulator Series for Local Power Supplies  
500mA Secondary LDO Regulators  
for Local Power Supplies  
BD□□KA5,BD□□KA5W Series,BD00KA5W Series  
No.09024EAT01  
General Description  
The BD□□KA5 series are low-saturation regulators that are available for output currents up to 500mA. The output voltage  
precision is ±1%. These secondary LDO regulators are offered in several output voltages and package lineups with or  
without ON/OFF switches (that set the circuit current to 0μA at shutdown). This series can be used for a broad spectrum of  
applications ranging from TVs and car audio systems to HDDs, PCs, and DVDs. There regulators have a built-in overcurrent  
protection circuit that prevents the destruction of the IC, due to output short circuits and a thermal shutdown circuit.  
Features  
1) Maximum output current : 500A  
2) Output voltage precision : ±1%  
3) Low-saturation voltage with PMOS output : 0.12V Typ.(Io=200mA)  
4) Built-in over-current protection circuit  
5) Built-in thermal shutdown circuit  
6) Shutdown switch(BD□□KA5WFP and BD□□KA5WF series)  
7) TO252-3,TO252-5 and SOP8 package lineup  
8) Operating temperature range : -40to +105℃  
9) Ceramic capacitor compatible(recommended capacitance : 1μF or greater)  
Applications  
Microcontrollers and all electronic devices that use logic circuits  
Product line up  
Part Number  
BD□□KA5WFP  
BD□□KA5WF  
BD□□KA5FP  
1.0  
1.2  
1.5  
1.8  
2.5  
3.0  
3.3  
Variable  
Package  
TO252-5  
SOP8  
-
TO252-3  
Part NumberBD□□KA5□□  
a
b c  
Symbol  
Details  
Output Voltage Designation  
□□  
10  
Output Voltage(V)  
1.0V(Typ.)  
□□  
25  
Output Voltage(V)  
2.5V(Typ.)  
a
12  
1.2V(Typ.)  
30  
3.0V(Typ.)  
15  
1.5V(Typ.)  
33  
3.3V(Typ.)  
18  
1.8V(Typ.)  
00  
Variable Output Typ  
Switch  
b
c
“W” includedBuilt-in shutdown switch  
“W” not includedNo shutdown switch  
Package  
FPTO252-5 / TO252-3  
FSOP8  
www.rohm.com  
2009.04 - Rev.A  
1/9  
© 2009 ROHM Co., Ltd. All rights reserved.  
Technical Note  
BD□□KA5,BD□□KA5W Series,BD00KA5W Series  
Absolute Maximum Ratings(Ta=25)  
Symbol  
Vcc  
Limits  
-0.3+7.0*1  
-0.3Vcc*1  
1200*2  
Unit.  
V
Parameter  
Power Supply Voltage  
Output Control Terminal Voltage  
TO252-3  
VCTL  
V
1300*3  
mW  
Power Dissipation TO252-5  
SOP8  
Pd  
687.6*4  
-40+105  
-55+150  
150  
Operating Temperature Range  
Ambient Storage Temperature  
Topr  
Tstg  
Maximum Junction Temperature  
Tjmax  
*1 Must not exceed Pd  
*2 When a 70mm×70mm×1.6mm glass epoxy board is used. Reduce by 9.6 mW/over 25.  
*3 When a 70mm×70mm×1.6mm glass epoxy board is used. Reduce by 10.4mW/over 25.  
*4 When a 70mm×70mm×1.6mm glass epoxy board is used. Reduce by 5.5 mW/over 25.  
Recommended Operating Range (Ta=25)  
Parameter  
Input Power Supply Voltage  
Output Current  
Symbol  
Vcc  
Io  
Min.  
2.3  
0
Max.  
5.5  
Unit.  
V
500  
4.0  
mA  
V
Output Voltage Configuration Range*5  
Vo  
1.0  
0
Output Control Terminal Voltage  
VCTL  
Vcc  
V
*5 Only BD00KA5WFP and BD00KA5WF  
Electrical Characteristics (abridged)  
BD□□KA5WFP / WF / FP  
(Unless specified otherwise,Ta=25,VCTL=2V,Vcc=2.5V(Vo=1.0V,1.2V,1.5V,1.8V),Vcc=3.3V(Vo=2.5V),Vcc=5.0V(Vo=3.0V,3.3V))  
Parameter  
Symbol  
Min.  
Typ.  
Vo(T)  
Vo(T)  
Max.  
Unit.  
Conditions  
Io200mA (Vo=1.0V,1.2V)  
Io200mA (Vo1.5V)  
Vo(T)-0.015  
Vo(T)×0.99  
Vo(T)+0.015  
Vo(T)×1.01  
V
Output Voltage  
Vo  
V
VCTL =0V,Io=0mA  
(during OFF mode)  
Circuit Current at Shutdown  
Isd  
-
-
0
1
μA  
Minimum I/O Voltage  
Difference*6  
ΔVd  
0.12  
0.20  
V
Io=200mA,Vcc=0.95×Vo  
Output Current Capacity  
Input Stability*7  
Io  
500  
-
-
mA  
mV  
mV  
Reg.I  
Reg.L  
-
-
10  
25  
35  
75  
Vcc=Vo+0.5V5.5V,Io=200mA  
Io=0mA500mA  
Load Stability  
Output Voltage  
Tcvo  
-
±100  
-
ppm/Io=5mA,Tj=0125℃  
Temperature Coefficient*8  
Vo(T)Preset output voltage value  
*6 When Vo2.5V  
*7 When 1.0Vo1.8V, Vcc=2.3V5.5V  
*8 Design guarantee(100% shipping inspection not performed)  
BD00KA5WFP / WF  
(Unless specified otherwise, Ta=25, Vcc=2.5V,VL2V,R1=30k,R2=30k*9)  
Parameter  
Symbol  
Min.  
Typ.  
Max.  
Unit.  
μA  
V
Conditions  
CTL =0V, Io=0mA  
(during OFF mode)  
V
Circuit Current at Shutdown  
Reference Voltage  
Isd  
-
0.742  
-
0
1
VADJ  
0.750  
0.12  
0.758  
0.20  
Io=50mA  
Minimum I/O Voltage  
Difference*10  
ΔVd  
V
Io=200mA,Vcc=0.95×Vo  
Output Current Capacity  
Input Stability  
Io  
500  
-
-
mA  
mV  
mV  
Reg.I  
Reg.L  
-
-
10  
25  
35  
75  
Vcc=Vo+0.5V5.5V,Io=200mA  
Io=0mA500mA  
Load Stability  
Output Voltage  
Tcvo  
-
±100  
-
ppm/Io=5mA,Tj=0125℃  
Temperature Coefficient*11  
*9  
VOUT=VADJ×(R1+R2)÷R1(V)  
VADJ×0.75V(Typ.)  
*10 When Vo2.5V  
*11 Design guarantee(100% shipping inspection not performed)  
www.rohm.com  
2009.04 - Rev.A  
2/9  
© 2009 ROHM Co., Ltd. All rights reserved.  
Technical Note  
BD□□KA5,BD□□KA5W Series,BD00KA5W Series  
Reference Data (Unless specified otherwise, Vcc=25V,VCTL =2V,and Io=0mA)  
0.5  
0.4  
0.3  
0.2  
0.1  
0.0  
2.0  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
2.0  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
[BD15KA5WFP]  
[BD15KA5WFP]  
[BD15KA5WFP]  
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
SUPPLY VOLTAGE:VCC[V]  
SUPPLY VOLTAGE:VCC[V]  
SUPPLY VOLTAGE:VCC[V]  
Fig.1 Circuit current  
Fig.2 Input Stability  
Io=0mA)  
Fig.3 Input Stability  
Io=500mA)  
300  
2.0  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
60  
[BD15KA5WFP]  
55  
50  
45  
40  
35  
30  
25  
20  
15  
10  
5
[BD15KA5WFP]  
[BD33KA5WFP]  
250  
200  
150  
100  
50  
0
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5  
OUTPUT CURRENT:IOUT[A]  
100  
1000  
10000  
100000  
0
50 100 150 200 250 300 350 400 450 500  
10
OUTPUT CURRENT:IOUT[mA]  
FREQUENCY:f[Hz]  
Fig.4 Load Stability  
Fig.5 Input/Output Voltage Difference  
Fig.6 Ripple Rejection  
ein=10dBV,Io=100mA)  
Vcc=3.135V)  
10  
1.0  
0.9  
0.8  
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0.0  
1.6  
1.5  
1.4  
[BD15KA5WFP]  
[BD15KA5WFP]  
[BD15KA5WFP]  
8
6
4
2
0
-40  
-20  
0
20  
40  
60  
80  
100  
-40  
-20  
0
20  
40  
60  
80  
100  
0.0  
0.1  
0.2  
0.3  
0.4  
0.5  
TEMPERATURE:Ta[  
]
OUTPUT CURRENT:IOUT[A]  
TEMPERATURE  
:Ta[℃]  
Fig.7 Output Voltage  
Fig.9 Circuit Current by load Level  
Fig.8 Circuit Current  
Temperature Characteristics  
Io=5mA)  
200  
1.5  
1.0  
0.5  
[BD15KA5WFP]  
[BD15KA5WFP]  
[BD15KA5WFP]  
180  
160  
1.5  
1.0  
0.5  
0.0  
140  
120  
100  
80  
60  
40  
20  
0
0.0  
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
100  
120  
140  
160  
180  
200  
CONTROL VOLTAGE:VCTL[V]  
CONTROL VOLTAGE:VCTL[V]  
TEMPERATURE:[  
℃]  
Fig.10 CTL Voltage vs. Output Voltage  
Fig.11 CTL Voltage vs. Output Current  
3/9  
Fig.12 Thermal Shutdown  
Circuit Characteristics (Io=5mA)  
www.rohm.com  
2009.04 - Rev.A  
© 2009 ROHM Co., Ltd. All rights reserved.  
Technical Note  
BD□□KA5,BD□□KA5W Series,BD00KA5W Series  
Block diagrams, Standard circuit examples  
[BD00KA5WFP]  
[BD00KA5WF]  
Output voltage configuration  
GND(FIN)  
1μF  
VOUT=VADJ×(R1+R2)÷R1(V)  
VADJ=0.75V(Typ.)  
A value of approximately 30kΩ  
is recommended for R1.  
GND(7PIN)  
Vcc(8PIN)  
GND(6PIN) CTL (5PIN)  
Vref  
Driver  
Vref  
Driver  
OCP  
Output voltage configuration  
VOUT=VADJ×(R1+R2)÷R1(V)  
VADJ=0.75V(Typ.)  
OCP  
OUT (4PIN)  
R2  
TSD  
Vcc (2PIN)  
CTL (1PIN)  
TOP VIEW  
FIN  
TSD  
A value of approximately 30kΩ  
is recommended for R1.  
OUT(1PIN)  
R2  
N.C.(3PIN)  
1μF  
ADJ(5PIN)  
R1  
1μF  
ADJ(2PIN)  
R1  
N.C.(3PIN) N.C.(4IN)  
Fig.13  
1μF  
TO252-5(BD00KA5WFP)  
Pin No.  
PinName  
Function  
Fig.16  
TOP VIEW  
1
2
CTL  
Vcc  
Output voltage ON/OFF control  
Power supply voltage input  
Unconnected terminal  
Voltage output  
8
5
3
SOP8(BD00KA5WF)  
3
N.C.  
OUT  
ADJ  
GND  
1 2  
4 5  
Pin No.  
Pin Name  
OUT  
Function  
Voltage output  
4
TO252-5  
1
2
3
4
5
6
7
8
5
Output voltage configuration terminal  
GND  
ADJ  
Output voltage configuration terminal  
FIN  
1
4
SOP8  
N.C.  
CTL  
GND  
Vcc  
Unconnected terminal  
Output voltage ON/OFF control  
GND  
[BD□□KA5WFP]  
GND(FIN)  
Vref  
Power supply voltage input  
Driver  
R2  
[BD□□KA5WF]  
R1  
1μF  
TSD  
OCP  
GND(7PIN)  
Vcc(8PIN)  
GND(6PIN) CTL (5PIN)  
TOP VIEW  
FIN  
Vcc (2PIN)  
OUT (4PIN)  
CTL (1PIN)  
N.C.(3PIN)  
N.C.(5PIN)  
1μF  
1μF  
Vref  
Driver  
Fig.14  
TO252-5(BD□□KA5WFP)  
R2  
TSD  
OCP  
Pin No.  
Pin Name  
CTL  
Function  
1
2
Output voltage ON/OFF control  
Power supply voltage input  
Unconnected terminal  
Voltage output  
R1  
OUT(1PIN)  
N.C.(3PIN)  
Vcc  
3
3
N.C.  
1 2  
N.C.(3PIN) N.C.(4IN)  
4 5  
4
OUT  
TO252-5  
1μF  
5
N.C.  
Unconnected terminal  
GND  
TOP VIEW  
Fig.17  
FIN  
GND  
8
5
SOP8(BD□□KA5WF)  
Pin No.  
Pin Name  
Function  
1
2
3
4
5
6
7
8
OUT  
Voltage output  
1
4
Vref  
Driver  
R2  
SOP8  
N.C.  
Unconnected terminal  
CTL  
GND  
Vcc  
Output voltage ON/OFF control  
GND  
R1  
TSD  
OCP  
N.C.(2PIN)  
Power supply voltage input  
Vcc (1PIN)  
1μF  
OUT (3PIN)  
1μF  
TOP VIEW  
FIN  
N.C. pins are electrically open to the inside of the IC chip.  
Fig.15  
TO252-5(BD□□KA5FP)  
Pin No.  
Pin Name  
Vcc  
Function  
1
2
Power supply voltage input  
Unconnected terminal  
Voltage output  
2
N.C.  
3
OUT  
1
3
TO252-3  
FIN  
GND  
GND  
www.rohm.com  
© 2009 ROHM Co., Ltd. All rights reserved.  
2009.04 - Rev.A  
4/9  
Technical Note  
BD□□KA5,BD□□KA5W Series,BD00KA5W Series  
Input / Output Equivalent Circuit Diagrams  
Vcc Vcc  
Vcc  
Vcc  
With BD00KA5WFP/WF,R1and R2 are connected  
outside the IC between ADJ and GND and  
between OUT and ADJ.  
31.25kΩ 2kΩ  
25kΩ  
OUT  
ADJ  
CTL  
R2  
R1  
(BD00KA5WFP/WF)  
Fig.18  
Fig.19  
Thermal Design  
TO252-5  
TO252-3  
SOP8  
2.0  
1.6  
1.2  
0.8  
0.4  
2.0  
1000  
Rohm standard board mounting  
Board size70×70×1.6mm  
Copper foil area7×7mm2  
θja=96.2(/W)  
Rohm standard board mounting  
Board size70×70×1.6mm  
Copper foil area7×7mm2  
θja=104.2(/W)  
(1)When using a standard board:  
θj-c=181.8(/W)  
1.6  
1.2  
0.8  
0.4  
0.0  
800  
600  
400  
200  
0
(2) When using an IC alone  
θj-a=222.2(/W)  
1.30  
687.6mW  
562.6mW  
1.20  
(1)  
(2)  
0.0  
0
25  
50  
75  
100  
125  
150  
0
25  
50  
75  
100  
125  
150  
0
25  
50  
75  
100  
125  
150  
Ambient temperature:Ta(℃)  
Ambient temperatureTa()  
AmbienttemperatureTa()  
Fig.20 Power Dissipation heat  
reducing characteristics  
Fig.21 Power Dissipation heat  
reducing characteristics  
Fig.22 Power Dissipation heat  
reducing characteristics  
When using at temperatures over Ta=25, please refer to the power dissipation shown in Fig.20 through 22.  
The IC characteristics are closely related to the temperature at which the IC is used, so if the temperature exceeds the  
maximum junction temperature TjMAX, the device may malfunction or be destroyed. The heat of the IC requires sufficient  
consideration regarding instantaneous destruction and long-term operation reliability. In order to protect the IC from thermal  
damage, it is necessary to operate it at temperatures less than the maximum junction temperature TjMAX.  
Even when the ambient temperature Ta is a normal temperature(25), the chip(junction) temperature Tj may be quite high,  
so please operate the IC at temperatures less than the acceptable loss Pd.  
Vcc:  
Vo:  
Input voltage  
Output voltage  
Load current  
Circuit current  
The calculation method for power consumption Pc(W) is as follows :  
Pc = (Vcc-Vo)×Io+Vcc×Icca  
Io:  
Icca:  
Acceptable loss PdPc  
Solving for the load current IO in order to operate within the acceptable loss,  
Pd – Vcc×Icca  
Io≦  
VccVo  
It is then possible to find the maximum load current IoMAX with respect to the applied voltage Vcc at the time of thermal design.  
Calculation Example  
Example 1) When Ta=85, Vcc=2.5V, Vo=1.0V  
BA10KA5WFPTO252-5 packaging)  
0.6762.5×Icca  
Io≦  
θja=96.2/W -10.4mW/℃  
2.5-1.0  
Io440mA (Icca : 2mA)  
25=1300mW 85=676mW  
Please refer to the above information and keep thermal designs within the scope of acceptable loss for all operating  
temperature ranges.  
The power consumption PC of the IC when there is a short circuit (short between Vo and GND) is :  
Pc=Vcc×(Icca+Ishort)  
*Ishort : Short circuit current  
www.rohm.com  
© 2009 ROHM Co., Ltd. All rights reserved.  
2009.04 - Rev.A  
5/9  
Technical Note  
BD□□KA5,BD□□KA5W Series,BD00KA5W Series  
Terminal Vicinity Settings and Cautions  
Vcc Terminal  
Please attach a capacitor (greater than 1μF) between Vcc and GND.  
The capacitance values differ depending on the application, so chose a capacitor with sufficient margin and verify the  
operation on actual board.  
GND Terminal  
Please be sure to keep the set ground and IC ground at the same potential level so that a potential difference does not  
arise between them. If a potential difference arises between the set ground and the IC ground, the preset voltage will not  
be output properly, causing the system to become unstable. Please reduce the impedance by making the ground patterns  
as wide as possible and reducing the distance between the set ground and the IC ground as much as possible.  
CTL Terminal  
31.25k  
The CTL terminal is turned ON at 2.0V and higher, and OFF at  
0.8V and lower, within the operating power supply voltage  
range.The power supply and the CTL terminal may be started  
up and shut down in any order without problems.  
CTL  
25kΩ  
Fig.23 Input equivalent circuit  
Vo Terminal  
Please be sure to attach an anti-oscillation capacitor between Vo and GND.  
100  
Oscillation region  
OUT  
10  
1
Stable region  
IC  
ESR  
1μF  
Cin  
Vcc  
1μF  
Vcc OUT  
1μF  
CTL GND ADJ R2  
R1  
VCTL  
2V  
Io(ROUT)  
0.1  
0.01  
R1=30kΩ,R2=2kΩ  
0
100  
200  
300  
400  
500  
Io(mA)  
Fig.24 Output Equivalent Circuit  
Fig.25 ESR-Io Characteristics  
Be sure to place an anti-oscillation capacitor between the output terminal and the GND. Oscillations may arise if the  
capacitance value changes, due to factors such as temperature changes. A 1μF capacitor with small internal series  
resistance (ESR) such as a ceramic capacitor is recommended as an anti-oscillation capacitor. Ceramic capacitors generally  
have favorable temperature characteristics and DC bypass characteristics. When selecting a ceramic capacitor, a high  
voltage capacitor (good DC bypass characteristics) with temperature characteristics that are superior to those of X5R or X7R,  
is recommended. In applications where input voltage and load fluctuations are rapid, please decide on a capacitor after  
sufficiently confirming its properties according to its specifications in the actual application.  
120  
100  
80  
60  
40  
20  
0
120  
100  
80  
60  
40  
20  
0
120  
100  
80  
60  
40  
20  
0
50V Max.Input  
50V Max.Input  
16V Max.Input  
X7R  
X5R  
Y5V  
10V Max.Input  
16V Max.Input  
10V Max.Input  
Vdc=0  
0
1
2
3
4
0
1
2
3
4
-25  
0
25  
Temp()  
50  
75  
DC bypassVdc(V)
(a) Capacitance-bypass  
DC bypass Vdc(V)  
bCapacitance-bypass  
CCapacitance-temperature  
characteristics (Y5V)  
characteristicsX5R,X7R)  
characteristicsX5R,X7R,Y5V)  
Fig.26 :General characteristics of ceramic capacitors  
6/9  
www.rohm.com  
© 2009 ROHM Co., Ltd. All rights reserved.  
2009.04 - Rev.A  
Technical Note  
BD□□KA5,BD□□KA5W Series,BD00KA5W Series  
Other Caution  
Protection Circuits  
Over-current Protection Circuit  
A built-in over-current protection circuit corresponding to the current capacity prevents the destruction of the IC when  
there are load shorts. This protection circuit is a “7”-shaped current control circuit that is designed such that the current  
is restricted and does not latch even when a large current momentarily flows through the system with a high-capacitance  
capacitor. However, while this protection circuit is effective for the prevention of destruction due to unexpected accidents,  
it is not suitable for continuous operation or transient use. Please be aware when creating thermal designs that the  
over-current protection circuit has negative current capacity characteristics with regard to temperature.  
Thermal Shutdown Circuit (Thermal Protection)  
This system has a built-in temperature protection circuit for the purpose of protecting the IC from thermal damage. As  
shown in Fig. 20-22, this must be used within the range of acceptable loss, but if the acceptable loss is continuously  
exceeded, the chip temperature Tj increases, causing the thermal shutdown circuit to operate. When the thermal  
shutdown circuit operates, the operation of the circuit is suspended. The circuit resumes operation immediately after the  
chip temperature Tj decreases, so the output repeats the ON and OFF states (Please refer to Figs.12 for the temperatures  
at which the temperature protection circuit operates).  
There are cases in which the IC is destroyed due to thermal runaway when it is left in the overloaded state. Be sure to  
avoid leaving the IC in the overloaded state.  
Reverse Current  
In order to prevent the destruction of the IC when a reverse current flows through the IC, it is recommended that a diode  
be placed between the Vcc and Vo and a pathway be created so that the current can escape (Refer to Fig.27).  
Reverse current  
OUT  
Vcc  
CTL  
GND  
Fig.27 : Bypass diode  
This IC is BI-CMOS IC that has a P-board (substrate) and P+ isolation between each element, as shown in Fig.28. A P-N  
junction is formed between this P-layer and the N-layer of each element, and the P-N junction operates as :  
- a parasitic diode when the electric potential relationship is GND> Terminal A, GND> Terminal B, or  
- a parasitic transistor when the electric potential relationship is Terminal B > GND> Terminal A.  
Parasitic elements are structurally inevitable in the IC. The operation of parasitic elements induces mutual interference  
between circuits, causing malfunctions and eventually the destruction of the IC. Take precaution as not to use the IC in  
ways that would cause parasitic elements to operate. For example, applying a voltage that is lower than the GND  
(P-board) to the input terminal.  
Transistor (NPN)  
B
Resistor  
(Pin A)  
(Pin B)  
O
(Pin B)  
E
C
E
B
GND  
N
P+  
P+  
P
N
GND  
P
P+  
Parasitic element  
or transistor  
N
P
N
P+  
N
N
N
Parasitic element  
GND  
P
(Pin A)  
Parasitic element  
Parasitic element  
or transistor  
GND  
GND  
Fig. 28 : Basic structure example  
www.rohm.com  
© 2009 ROHM Co., Ltd. All rights reserved.  
2009.04 - Rev.A  
7/9  
Technical Note  
BD□□KA5,BD□□KA5W Series,BD00KA5W Series  
Ordering part number  
B D  
1 8  
K A 5  
W
F P  
-
E 2  
Part number  
Shutdown switch パッケージ  
W : Include FP TO252-3  
TO252-5  
SOP8  
Output voltage Current capacity  
Packaging and forming specification  
E2: Embossed tape and reel  
500mA  
00:Variable  
Other:Fixed  
F
TO252-3  
<Tape and Reel information>  
Tape  
Embossed carrier tape  
6.5 0.2  
C0.5  
+0.2  
Quantity  
2000pcs  
5.1  
-
0.1  
2.3 0.2  
E2  
0.5 0.1  
Direction  
of feed  
The direction is the 1pin of product is at the lower left when you hold  
reel on the left hand and you pull out the tape on the right hand  
FIN  
(
)
1
2
3
0.65  
0.75  
2.3 0.2  
0.65  
0.5 0.1  
1.0 0.2  
2.3 0.2  
Direction of feed  
Order quantity needs to be multiple of the minimum quantity.  
1pin  
Reel  
(Unit : mm)  
TO252-5  
<Tape and Reel information>  
Tape  
Embossed carrier tape  
2.3 0.2  
0.5 0.1  
6.5 0.2  
Quantity  
2000pcs  
C0.5  
+0.2  
5.1  
-0.1  
E2  
Direction  
of feed  
The direction is the 1pin of product is at the lower left when you hold  
reel on the left hand and you pull out the tape on the right hand  
(
)
FIN  
3
1
2
4 5  
0.5 0.1  
1.0 0.2  
0.5  
1.27  
Direction of feed  
Order quantity needs to be multiple of the minimum quantity.  
1pin  
Reel  
(Unit : mm)  
www.rohm.com  
2009.04 - Rev.A  
8/9  
© 2009 ROHM Co., Ltd. All rights reserved.  
Technical Note  
BD□□KA5,BD□□KA5W Series,BD00KA5W Series  
SOP8  
<Tape and Reel information>  
5.0 0.2  
(MAX 5.35 include BURR)  
Tape  
Embossed carrier tape  
2500pcs  
+
6
°
4°  
4
°
Quantity  
8
7
6
5
E2  
Direction  
of feed  
The direction is the 1pin of product is at the upper left when you hold  
reel on the left hand and you pull out the tape on the right hand  
(
)
1
2
3
4
0.595  
+0.1  
0.17  
-
0.05  
S
1.27  
Direction of feed  
1pin  
0.42 0.1  
Reel  
(Unit : mm)  
Order quantity needs to be multiple of the minimum quantity.  
www.rohm.com  
© 2009 ROHM Co., Ltd. All rights reserved.  
2009.04 - Rev.A  
9/9  
Notice  
N o t e s  
No copying or reproduction of this document, in part or in whole, is permitted without the  
consent of ROHM Co.,Ltd.  
The content specified herein is subject to change for improvement without notice.  
The content specified herein is for the purpose of introducing ROHM's products (hereinafter  
"Products"). If you wish to use any such Product, please be sure to refer to the specifications,  
which can be obtained from ROHM upon request.  
Examples of application circuits, circuit constants and any other information contained herein  
illustrate the standard usage and operations of the Products. The peripheral conditions must  
be taken into account when designing circuits for mass production.  
Great care was taken in ensuring the accuracy of the information specified in this document.  
However, should you incur any damage arising from any inaccuracy or misprint of such  
information, ROHM shall bear no responsibility for such damage.  
The technical information specified herein is intended only to show the typical functions of and  
examples of application circuits for the Products. ROHM does not grant you, explicitly or  
implicitly, any license to use or exercise intellectual property or other rights held by ROHM and  
other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the  
use of such technical information.  
The Products specified in this document are intended to be used with general-use electronic  
equipment or devices (such as audio visual equipment, office-automation equipment, commu-  
nication devices, electronic appliances and amusement devices).  
The Products specified in this document are not designed to be radiation tolerant.  
While ROHM always makes efforts to enhance the quality and reliability of its Products, a  
Product may fail or malfunction for a variety of reasons.  
Please be sure to implement in your equipment using the Products safety measures to guard  
against the possibility of physical injury, fire or any other damage caused in the event of the  
failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM  
shall bear no responsibility whatsoever for your use of any Product outside of the prescribed  
scope or not in accordance with the instruction manual.  
The Products are not designed or manufactured to be used with any equipment, device or  
system which requires an extremely high level of reliability the failure or malfunction of which  
may result in a direct threat to human life or create a risk of human injury (such as a medical  
instrument, transportation equipment, aerospace machinery, nuclear-reactor controller,  
fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of  
any of the Products for the above special purposes. If a Product is intended to be used for any  
such special purpose, please contact a ROHM sales representative before purchasing.  
If you intend to export or ship overseas any Product or technology specified herein that may  
be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to  
obtain a license or permit under the Law.  
Thank you for your accessing to ROHM product informations.  
More detail product informations and catalogs are available, please contact us.  
ROHM Customer Support System  
http://www.rohm.com/contact/  
www.rohm.com  
© 2009 ROHM Co., Ltd. All rights reserved.  
R0039  
A

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