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R1170H341B-T1 [RICOH]

800mA LDO REGULATOR; 800毫安LDO稳压器
R1170H341B-T1
型号： R1170H341B-T1
厂家： RICOH ELECTRONICS DEVICES DIVISION    RICOH ELECTRONICS DEVICES DIVISION
描述：

800mA LDO REGULATOR
800毫安LDO稳压器

线性稳压器IC 调节器 电源电路 光电二极管 输出元件
文件： 总16页 (文件大小：262K)
中文：  中文翻译
下载：  下载PDF数据表文档文件
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2001.Jul.21  
800mA LDO REGULATOR  
R1170X series  
■ OUTLINE  
The R1170 Series are positive voltage regulator ICs by CMOS process. The R1170 Series have features of  
high ripple rejection, low dropout voltage, high output voltage accuracy, low consumption current. Each of these ICs  
consists of a voltage reference unit, an error amplifier, resistor net for setting output voltage, a current limit circuit at  
short mode, a chip enable circuit, and thermal-shunt circuit. Output Voltage of R1170 is fixed in the IC.  
Low consumption current by the merit of CMOS process and built-in transistors with low ON-resistance make  
low dropout voltage and chip enable function prolong the battery life. These regulators are remarkable improvement  
on the current regulators in terms of ripple rejection, input transient response, and load transient response.  
Maximum Output Current is large for its compact size.  
Thus, the R1170 Series are suitable for various power sources for portable appliances.  
Since the packages for these ICs are the SOT-89-5 package or HSON6, high density mounting of the ICs on  
boards is possible.  
■ FEATURES  
■Ultra-Low Supply Current• • • • • • • • TYP. 80µA  
■Low Standby Current • • • • • • • • • • • TYP. 0.1µA  
■Output Current • • • • • • • • • • • • • • • MIN. 800mA(VIN=VOUT+1.0V)  
■Output Voltage • • • • • • • • • • • • Stepwise setting with a step of 0.1V in the range of 1.5V to 4.0V  
■High Output Voltage Accuracy• • • • ±2.0%  
■Low Dropout Voltage• • • • • • • • • • • • TYP. 0.12V(VOUT=3.0V, IOUT=300mA)  
■Line Regulation• • • • • • • • • • • • TYP. 0.05%/V  
■Small Package • • • • • • • • • • • • • • • • SOT-89-5, HSON6  
■Built-in Current Limit Circuit  
■Built-in Thermal Shunt Circuit  
■Low Temperature-drift Coefficient of Output Voltage • • • • • • • • • TYP.±100ppm/°C  
■ APPLICATIONS  
■Local Power source for Notebook PC.  
■Local Power source for portable appliances, cameras, and videos.  
■Local Power source for equipment of battery-use.  
■Local Power source for home appliances.  
Rev. 1.10  
- 1 -  
■ BLOCK DIAGRAMS  
R1170H Series  
R1170D Series  
VDD  
VDD  
6
5
1
2
DD  
V
4
5
VOUT  
VOUT  
OUT  
V
-
-
+
+
Vref  
Vref  
GND  
GND  
Current Limit  
Current Limit  
3
4
CE  
1
2
CE  
■ SELECTION GUIDE  
The output voltage, the chip-enable polarity, the taping type can be selected at the user’s request. The selection  
can be made with the part number as follows;  
R1170X XXXX-XX ← Part Number  
↑
↑
↑
↑
a b c d  
Code  
a
b
Contents  
Package Type; H: SOT89-5, D: HSON-6P  
Designation of Output Voltage(VOUT)  
Stepwise setting with 0.1V increment in the range from 1.5V to 4.0V  
Designation of option;  
c
A: Built-in Chip Enable Circuit, Active at “L”  
B: Built-in Chip Enable Circuit, Active at “H”  
Designation of Taping Type;  
d
T1 or T2 (SOT89-5), TR(HSON-6) (Refer to Taping Specifications)  
■ PIN CONFIGURATION  
■ SOT-89-5  
4
5
Mark  
1
Side  
3
2
Rev. 1.10  
- 2 -  
■ HSON-6P  
6
5
4
1
2
3
■ PIN DESCRIPTION  
SOT89-5  
Pin No.  
Symbol  
CE or CE  
GND  
NC  
VDD  
VOUT  
Description  
Chip Enable Pin Voltage Regulator Output Pin  
1
2
3
4
5
Ground Pin  
No Connection  
Input Pin  
Voltage Regulator Output Pin  
HSON-6P  
Pin No.  
Symbol  
Description  
1
VOUT  
Voltage Regulator Output Pin  
2
3
4
5
6
VOUT  
CE or CE  
GND  
VDD  
VDD  
Voltage Regulator Output Pin  
Chip Enable Pin Voltage Regulator Output Pin  
Ground Pin  
Input Pin  
Input Pin  
■ ABSOLUTE MAXIMUM RATINGS  
Item  
Input Voltage  
Symbol  
VIN  
VCE  
VOUT  
IOUT  
PD  
Rating  
7.0  
-0.3 ~ VIN+0.3  
-0.3 ~ VIN+0.3  
1.2  
Unit  
V
V
V
A
Input Voltage(CE or CE Input Pin)*Note  
Output Voltage  
Output Current  
Power Dissipation  
Internally limited  
Operating Temperature  
Storage Temperature  
Topt  
Tstg  
-40 ~ 85  
-55 ~ 125  
°C  
°C  
Rev. 1.10  
-3-  
■ ELECTRICAL CHARACTERISTICS  
■R1170XxxxA  
(Topt=25°C)  
Item  
Input Voltage  
Symbol  
VIN  
Conditions  
MIN.  
TYP.  
MAX.  
6.0  
Unit  
V
Supply Current1  
ISS1  
VIN-VOUT=1.0V  
VCE=GND  
80  
160  
µA  
Standby Current  
Output voltage  
Istb  
VIN=VCE=6.0V  
0.1  
1.0  
x1.02  
µA  
V
VOUT  
VIN-VOUT=1.0V  
IOUT=100mA  
VIN-VOUT=1.0V  
x0.98  
800  
Output Current  
Load regulation  
IOUT1  
mA  
mV  
∆VOUT/ VIN-VOUT=1.0V  
30  
100  
∆IOUT  
1mA≤IOUT≤300mA  
Dropout Voltage  
Line regulation  
VDIF  
IOUT=300mA  
Refer to Dropout Voltage Table  
∆VOUT/ IOUT=100mA  
∆VIN  
0.05  
0.30  
%/V  
VOUT+0.5V≤VIN≤8.0V  
Ripple Rejection  
RR  
f=1kHz,Ripple 0.5Vp-p  
VIN-VOUT=1.0V  
50  
dB  
Output Voltage  
Temperature Coefficient  
Short Current Limit  
Pull-up resistance for CE pin  
CE Input Voltage “H”  
CE Input Voltage “L”  
Thermal Shutdown Detector  
Threshold Temperature  
Thermal Shutdown Released  
Temperature  
∆VOUT/ IOUT=10mA  
±100  
ppm  
/°C  
mA  
MΩ  
V
∆T  
-40°C ≤ Topt ≤ 85°C  
ILIM  
VOUT=0V  
40  
2.50  
RPU  
VCEH  
VCEL  
TTSD  
1.25  
1.50  
0.00  
5.00  
VIN  
0.25  
V
°C  
Junction Temperature  
Junction Temperature  
150  
120  
TTSR  
°C  
Rev. 1.10  
- 4 -  
■R1170xxxxB  
(Topt=25°C)  
MAX.  
6.0  
Item  
Symbol  
VIN  
Conditions  
MIN.  
TYP.  
Unit  
V
Input voltage  
Supply Current1  
Standby Current  
Reference Voltage for  
Adjustable Voltage Regulator  
Output Current  
ISS1  
VIN-VOUT=1.0V VCE=VIN  
80  
0.1  
160  
1.0  
x1.02  
µA  
µA  
V
Istb VIN=6.0V, VCE=GND  
VOUT VIN-VOUT=1.0V  
IOUT=100mA  
IOUT1 VIN-VOUT=1.0V  
∆VOUT/ VIN-VOUT=1.0V  
∆IOUT 1mA≤IOUT≤300mA  
VDIF IOUT=300mA  
x0.98  
800  
mA  
mV  
Load regulation  
30  
100  
Dropout Voltage  
Line regulation  
Refer to Dropout Voltage Table  
∆VOUT/ IOUT=100mA  
∆VIN VOUT+0.5V≤VIN≤8.0V  
0.05  
0.30  
%/V  
Ripple Rejection  
Output Voltage  
Temperature Coefficient  
Short Current Limit  
Pull-down resistance for CE pin  
CE Input Voltage “H”  
CE Input Voltage “L”  
Thermal Shutdown Detector  
Threshold Temperature  
Thermal Shutdown Released  
Temperature  
RR  
f=1kHz,Ripple 0.5Vp-p  
50  
±100  
dB  
ppm  
/°C  
mA  
MΩ  
V
∆VOUT/ -40°C≤Topt≤85°C  
∆T  
ILIM  
RPD  
VCEH  
VCEL  
VOUT=0V  
40  
2.5  
1.25  
1.5  
0
5
VIN  
0.25  
V
°C  
TTSD Junction Temperature  
150  
120  
TTSR Junction Temperature  
°C  
■Dropout Voltage by Output Voltage (Topt=25°C)  
Output Voltage  
Dropout Voltage (V)  
VOUT(V)  
TYP.  
0.35  
0.30  
MAX.  
0.45  
0.35  
VOUT=1.5  
VOUT=1.6  
VOUT=1.7  
0.25  
0.20  
0.15  
0.12  
0.30  
0.25  
0.20  
0.18  
1.8≤VOUT≤2.0  
2.1≤VOUT≤2.4  
2.5≤VOUT≤4.0  
Rev. 1.10  
-5-  
■ TEST CIRCUITS  
CE  
CE  
1
1
VDD  
VOUT  
VDD  
VOUT  
OUT  
Iout  
IN  
IN  
OUT  
4
5
5
4
ISS  
R1170Hxx1B Series  
R1170Hxx1B Series  
10µF  
10µF  
10µF  
10µF  
2
2
GND  
GND  
Standard Test Circuit  
Supply Current Test Circuit  
CE  
1
CE  
1
VDD  
VOUT  
VDD  
VOUT  
OUT  
IN  
IN  
OUT  
4
4
5
5
Iout  
R1170Hxx1B Series  
R1170Hxx1B Series  
10µF  
10µF  
10µF  
P.G  
2
I1 I2  
2
GND  
GND  
Test Circuit for Ripple Rejection, Input Transient  
Response  
Test Circuit for Load Transient Response  
Rev. 1.10  
- 6 -  
■ Technical Notes on External Components and Typical Application  
Phase Compensation  
In these ICs, phase compensation is made with Output capacitor for securing stable operation even  
if the load current is varied. For this purpose, use as much as 10µF Capacitor as CL.  
If you use a tantalum type capacitor and ESR value of the capacitor is large, output might be  
unstable. Evaluate your circuit with considering frequency characteristics. Further, refer to the  
Typical Characteristics No.12.  
Mounting on PCB  
Make VDD and GND lines sufficient. If the impedance of these is high, current flows, the noise might  
be picked up or be a cause of unstable operation. Further use as much as 10µF Capacitor between  
VDD pin and GND pin as close as possible.  
Set an Output capcitor between VOUT pin and GND pin for phase compensation as close as possible.  
(Refer to the example of typical application)  
Example of the typical application of R1170HxxxB  
CE  
R1170Hxx1B  
GND  
VDD  
VOUT  
IN  
OUT  
CI  
CL  
CI=10µF(Ceramic), CL=10µF(Ceramic)  
Rev. 1.10  
-7-  
■ TYPICAL CHARACTERISTICS  
1)Output Voltage vs. Output Current(Topt=25°C)  
R1170X151B  
R1170X201B  
2
2.5  
2
VIN=3.5V  
1.5  
1.5  
1
1
VIN=3V  
IN  
V =3V  
0.5  
0
VIN=2.5V  
0.5  
0
IN  
V =4V  
IN  
V =3.5V  
0
500  
1000  
1500  
0
500  
1000  
(mA)  
1500  
OUT  
Output Current I  
Output Current IOUT(mA)  
R1170X401B  
R1170X301B  
4.5  
4
3.5  
3
3.5  
3
2.5  
2
2.5  
2
VIN=4.5V  
VIN=4V  
IN  
V =5.5V  
1.5  
1
IN  
V =5V  
VIN=5V  
1.5  
1
0.5  
0
IN  
V =6V  
0.5  
0
0
500  
1000  
1500  
0
500  
1000  
1500  
Output Current IOUT(mA)  
Output Current IOUT(mA)  
2)Output Voltage vs. Input Voltage(Topt=25°C)  
R1170X151B  
1.7  
R1170X201B  
IOUT = 1mA  
2.2  
2.1  
2
1.6  
1.5  
1.4  
1.3  
1.2  
1.1  
OUT  
I
= 1mA  
IOUT = 10mA  
IOUT = 10mA  
1.9  
1.8  
1.7  
1.6  
1.5  
1.4  
IOUT = 100mA  
IOUT = 300mA  
IOUT = 100mA  
IOUT = 300mA  
1
2
3
4
5
6
1
2
3
4
5
6
Input Voltage VIN(V)  
Input Voltage VIN(V)  
Rev. 1.10  
- 8 -  
R1170X301B  
R1170X401B  
IOUT = 10mA  
3.2  
3.1  
3
4.2  
4.1  
4
OUT  
I
I
= 1mA  
IOUT = 1mA  
OUT  
I
= 10mA  
3.9  
3.8  
3.7  
3.6  
3.5  
3.4  
2.9  
2.8  
2.7  
2.6  
2.5  
OUT  
= 100mA  
= 300mA  
IOUT=100mA  
OUT  
I
IOUT=300mA  
3.5  
4
4.5  
5
5.5  
6
2
3
4
5
6
IN  
IN  
Input Voltage V (V)  
Input Voltage V (V)  
3)Dropout Voltage vs. Output Current  
R1170X151B  
0.45  
R1170X201B  
0.4  
0.4  
0.35  
0.3  
0.35  
85°C  
0.3  
25°C  
0.25  
0.2  
25°C  
0.25  
0.2  
0.15  
0.1  
0.05  
0
85°C  
-40°C  
-40°C  
0.15  
0.1  
0.05  
0
0
100  
200  
300  
400  
500  
0
100  
200  
300  
OUT  
(mA)  
400  
500  
OUT  
Output Current I  
(mA)  
Output Current I  
R1170X301B  
R1170X401B  
0.3  
0.25  
0.2  
0.25  
0.2  
0.15  
0.1  
0.05  
0
85°C  
25°C  
85°C  
-40°C  
0.15  
0.1  
25°C  
-40°C  
0.05  
0
0
100  
200  
300  
400  
500  
0
100  
200  
300  
400  
500  
Output Current IOUT(mA)  
Output Current IOUT（mA）  
Rev. 1.10  
-9-  
4)Output Voltage vs. Temperature  
R1170X151B  
R1170X201B  
IN  
V =3V  
IN  
V =2.5V  
OUT  
OUT  
=10mA  
I
=10mA  
I
1.60  
1.58  
1.55  
1.53  
1.50  
1.48  
1.45  
1.43  
1.40  
2.10  
2.08  
2.05  
2.03  
2.00  
1.98  
1.95  
1.93  
1.90  
-50  
-25  
0
25  
50  
(°C)  
75  
100  
-50  
-25  
0
25  
50  
(°C)  
75  
100  
Temperature Topt  
Temperature Topt  
R1170X301B  
R1170X401B  
IN  
V =4V  
IN  
V =5V  
OUT  
I
=10mA  
OUT  
I
=10mA  
4.20  
4.15  
4.10  
4.05  
4.00  
3.95  
3.90  
3.85  
3.80  
3.20  
3.15  
3.10  
3.05  
3.00  
2.95  
2.90  
2.85  
2.80  
-50  
-25  
0
25  
50  
(°C)  
75  
100  
-50  
-25  
0
25  
50  
(°C)  
75  
100  
Temperature Topt  
Temperature Topt  
5)Supply Current vs. Input Voltage(Topt=25°C)  
R1170X151B  
120  
R1170X201B  
120  
100  
80  
60  
40  
20  
0
100  
80  
60  
40  
20  
0
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
IN  
Input Voltage V (V)  
Input Voltage VIN(V)  
Rev. 1.10  
- 10 -  
R1170X301B  
R1170X401B  
120  
100  
80  
60  
40  
20  
0
120  
100  
80  
60  
40  
20  
0
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
IN  
Input Voltage V (V)  
IN  
Input Voltage V (V)  
6)Supply Current vs. Temperature  
R1170X151B  
R1170X201B  
IN  
IN  
V =3V  
V =2.5V  
160  
140  
120  
100  
80  
160  
140  
120  
100  
80  
60  
60  
40  
40  
20  
20  
-50  
-25  
0
25  
50  
(°C)  
75  
100  
-50  
-25  
0
25  
50  
(°C)  
75  
100  
Temperature Topt  
Temperature Topt  
R1170X301B  
R1170X401B  
IN  
V =5V  
IN  
V =4V  
160  
140  
120  
100  
80  
160  
140  
120  
100  
80  
60  
60  
40  
40  
20  
20  
-50  
-25  
0
25  
50  
(°C)  
75  
100  
-50  
-25  
0
25  
50  
(°C)  
75  
100  
Temperature Topt  
Temperature Topt  
Rev. 1.10  
-11-  
7)Dropout Voltage vs. Set Output Voltage(Topt=25°C)  
R1170XXXXB  
0.35  
0.3  
0.25  
IOUT=500mA  
0.2  
IOUT=300mA  
0.15  
0.1  
IOUT=100mA  
0.05  
0
1
1.5  
2
2.5  
3
3.5  
4
Set Output Voltage VSET(V)  
8)Ripple Rejection vs. Frequency  
R1170X151B  
R1170X201B  
IN  
V =3V+0.5Vp-p  
IN  
V =2.5V+0.5Vp-p  
OUT  
I
=100mA  
OUT  
I
=100mA  
80  
70  
60  
50  
40  
30  
20  
10  
0
80  
70  
60  
50  
40  
30  
20  
10  
0
0.01  
0.1  
1
10  
100  
0.01  
0.1  
1
10  
100  
Ripple Frequency f(kHz)  
Ripple Frequency f (kHz)  
R1170X301B  
R1170X401B  
IN  
V =5V+0.5Vp-p  
IN  
V =4V+0.5Vp-p  
OUT  
I
=100mA  
OUT  
I
=100mA  
80  
70  
60  
50  
40  
30  
20  
10  
0
80  
70  
60  
50  
40  
30  
20  
10  
0
0.01  
0.1  
1
10  
100  
0.01  
0.1  
1
10  
100  
Ripple Frequency f (kHz)  
Ripple Frequency f (kHz)  
Rev. 1.10  
- 12 -  
9)Ripple Rejection vs. Input Voltage  
OUT  
I
= 10mA  
R1170X301B  
OUT  
I
= 1mA  
R1170X301B  
OUT  
C
= 10uF  
OUT  
C
= 10uF  
60  
60  
50  
40  
30  
20  
10  
0
f = 400Hz  
f = 400Hz  
50  
f =1kHz  
f =1kHz  
f = 10kHz  
40  
f = 10kHz  
30  
20  
10  
0
3
3.2  
3.4  
3.6  
3
3.2  
3.4  
3.6  
IN  
IN  
Input Voltage V (V)  
Input Voltage V (V)  
R1170X301B  
OUT  
I
= 100mA  
OUT  
C
= 10uF  
60  
50  
40  
30  
20  
10  
0
f = 400Hz  
f =1kHz  
f = 10kHz  
3
3.2  
3.4  
3.6  
Input Voltage VIN(V)  
10)Input Transient Response (Topt=25°C)  
tr=tf=10us  
IOUT=100mA  
R1170X151B  
COUT=Ceramic 10uF  
1.8  
1.75  
1.7  
4
3.5  
3
Input Voltage  
1.65  
1.6  
2.5  
2
Output Voltage  
1.55  
1.5  
1.5  
1
1.45  
1.4  
0.5  
0
0
20  
40  
60  
80  
100  
Time t(us）  
120  
140  
160  
180  
200  
Rev. 1.10  
-13-  
tr=tf=10us  
R1170X301B  
OUT  
C =Ceramic 10uF  
OUT  
I
=100mA  
3.4  
3.3  
3.2  
3.1  
3
6
5
4
3
2
1
0
Input Voltage  
Output Voltage  
2.9  
2.8  
0
20  
40  
60  
80  
100  
Time t(us)  
120  
140  
160  
180  
200  
R1170X301B  
tr=tf=10us  
OUT  
I
=100mA  
OUT  
C
= Ceramic 4.7uF  
Input Voltage  
3.4  
3.3  
3.2  
3.1  
3
6
5
4
3
2
1
0
Output Voltage  
2.9  
2.8  
0
20  
40  
60  
80  
100  
120  
140  
160  
180  
200  
Time t(us)  
11)Load Transient ResponseTopt=25°C)  
IN  
C
= Ceramic 10uF  
tr=tf=3us  
R1170X151B  
IN  
COUT =Ceramic 10uF  
V =2.5V  
2
1.9  
1.8  
1.7  
1.6  
1.5  
1.4  
120  
100  
80  
60  
40  
20  
0
Output Current  
Output Voltage  
0
20  
40  
60  
80  
100  
120  
140  
160  
180  
200  
Time t(us)  
Rev. 1.10  
- 14 -  
tr=tf=3us  
IN  
C = Ceramic 10uF  
R1170X301B  
IN  
OUT  
C =Ceramic 10uF  
V =4V  
3.5  
3.4  
3.3  
3.2  
3.1  
3
120  
100  
80  
60  
40  
20  
0
Output Current  
Output Voltage  
2.9  
0
20  
40  
60  
80  
100  
120  
140  
160  
180  
200  
Time t(us)  
tr=tf=3us  
IN  
C = Ceramic 10uF  
R1170X301B  
IN  
OUT  
C =Ceramic 4.7uF  
V =4V  
3.5  
3.4  
3.3  
3.2  
3.1  
3
120  
100  
80  
60  
40  
20  
0
Output Current  
Output Voltage  
2.9  
0
20  
40  
60  
80  
100  
120  
140  
160  
180  
200  
Time t(us)  
12)Stable Area(Topt=25°C,VIN=Set Output Voltage+1V,CIN=Ceramic 10µF)  
CE  
Vout  
Ceramic  
Spectrum  
Analyzer  
R1170XXXXB  
Capacitor  
S.A.  
VIN  
GND  
ESR  
Ceramic  
Vin  
IIout  
Capacitor  
As an output capacitor for this IC, Ceramic capacitor is recommendable. However, other low ESR type capacitor can  
be used with this IC.  
For your reference, noise level is tested with the circuit as shown above, and if the noise level is 40µV or less than  
40µV, the ESR values are plotted as stable area. Upper limit is described in the next four graphs, or ESR vs. Output  
Current. (Hatched area is the stable area.)  
Rev. 1.10  
-15-  
R1170X151B  
R1170X151B  
OUT  
C
=Ceramic 4.7uF  
OUT  
C
=Ceramic 10uF  
100  
10  
100  
10  
1
1
0.1  
0.1  
0
200  
400  
600  
(mA)  
800  
0
200  
400  
600  
800  
OUT  
Output Current I  
Output Current IOUT(mA)  
R1170X301B  
OUT  
R1170X301B  
OUT  
C
=Ceramic 10uF  
C
=Ceramic 4.7uF  
100  
10  
1
100  
10  
1
0.1  
0.1  
0
200  
400  
600  
800  
0
200  
400  
600  
800  
OUT  
Output Current IOUT(mA)  
Output Current I  
(mA)  
Rev. 1.10  
- 16 -  

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