S-1200B17-M5T1G [SII]
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR; 高纹波抑制率低压差低输入和-输出电容CMOS电压稳压器
| 型号： | S-1200B17-M5T1G |
| 厂家： | 
SEIKO INSTRUMENTS INC |
| 描述： | HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR |
| 文件： | 总31页 (文件大小：478K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Rev.3.2_00
HIGH RIPPLE-REJECTION LOW DROPOUT
S-1200 Series
LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
The S-1200 Series is a positive voltage regulator with
a low dropout voltage, high output voltage accuracy
developed based on CMOS technology.
A 0.1 µF small ceramic capacitor can be used. It
operates with low current consumption of 18 µA typ.
A built-in Output current protector prevents the load
current from exceeding the current capacitance of the
output transistor.
Compared with the voltage regulators using the
conventional CMOS process, small ceramic
capacitors are also available. Furthermore a small
SNT-6A(H) and SOT-23-5 packages realize high-
density mounting.
Features
1.5 V to 5.5 V, selectable in 0.1 V steps.
• Output voltage:
• Low ESR capacitor can be used: A ceramic capacitor of 0.1 µF or more can be used for the output
capacitor.
2.0 V to 10.0 V
• Wide input voltage range:
• High-accuracy output voltage:
• Low dropout voltage:
1.0%
140 mV typ. (3.0 V output product, IOUT = 100 mA)
During operation: 18 µA typ., 40 µA max.
During shutdown: 0.01 µA typ., 1.0 µA max.
150 mA output is possible (@ VIN ≥ VOUT(S) + 1.0 V)*1
70 dB typ. (@ 1.0 kHz, 1.5 V ≤ VOUT ≤ 3.0 V)
65 dB typ. (@ 1.0 kHz, 3.1 V ≤ VOUT ≤ 5.5 V)
Overcurrent of output transistor can be restricted.
Ensures long battery life.
• Low current consumption:
• Output current:
• High ripple rejection:
• Built-in overcurrent protector:
• Built-in ON/OFF circuit:
• Small package:
SOT-23-5, SNT-6A(H)
• Lead-free products
*1. Attention should be paid to the power dissipation of the package when the output current is large.
Applications
• Power supply for battery-powered devices
• Power supply for personal communication devices
• Power supply for home electric/electronic appliances
• Power supply for cellular phones
Packages
Drawing Code
Package Name
Package
PI006-A
MP005-A
Tape
Reel
Land
PI006-A
SNT-6A(H)
SOT-23-5
PI006-A
MP005-A
PI006-A
MP005-A
Seiko Instruments Inc.
1
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Block Diagram
*1
VIN
VOUT
Overcurrent
protector
+
−
ON/OFF
circuit
ON/OFF
Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 1
2
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Product Code Structure
• The product types, output voltage value and package types for the S-1200 Series can be selected at the
user’s request. Refer to the “Product name” for the meanings of the characters in the product name and
“Product name list” for the full product names.
1. Product name
S-1200
x
xx
-
xxxx
G
Package code and packing specifications *1
I6T2 : SNT-6A(H), Tape
M5T1: SOT-23-5, Tape
Output voltage
15 to 55
(e.g. When output voltage is 1.5 V, it is expressed as 15.)
Product type *2
A : ON/OFF pin negative logic
B : ON/OFF pin positive logic
*1. Refer to the taping specifications at the end of this book.
*2. Refer to “3. Shutdown (ON/OFF pin)” in the “ Operation”.
Seiko Instruments Inc.
3
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
2. Product name list
Table 1
Output Voltage
1.5 V ±1.0%
1.6 V ±1.0%
1.7 V ±1.0%
1.8 V ±1.0%
1.9 V ±1.0%
2.0 V ±1.0%
2.1 V ±1.0%
2.2 V ±1.0%
2.3 V ±1.0%
2.4 V ±1.0%
2.5 V ±1.0%
2.6 V ±1.0%
2.7 V ±1.0%
2.8 V ±1.0%
2.9 V ±1.0%
3.0 V ±1.0%
3.1 V ±1.0%
3.2 V ±1.0%
3.3 V ±1.0%
3.4 V ±1.0%
3.5 V ±1.0%
3.6 V ±1.0%
3.7 V ±1.0%
3.8 V ±1.0%
3.9 V ±1.0%
4.0 V ±1.0%
4.1 V ±1.0%
4.2 V ±1.0%
4.3 V ±1.0%
4.4 V ±1.0%
4.5 V ±1.0%
4.6 V ±1.0%
4.7 V ±1.0%
4.8 V ±1.0%
4.9 V ±1.0%
5.0 V ±1.0%
5.1 V ±1.0%
5.2 V ±1.0%
5.3 V ±1.0%
5.4 V ±1.0%
5.5 V ±1.0%
SNT-6A(H)
SOT-23-5
S-1200B15-I6T2G
S-1200B16-I6T2G
S-1200B17-I6T2G
S-1200B18-I6T2G
S-1200B19-I6T2G
S-1200B20-I6T2G
S-1200B21-I6T2G
S-1200B22-I6T2G
S-1200B23-I6T2G
S-1200B24-I6T2G
S-1200B25-I6T2G
S-1200B26-I6T2G
S-1200B27-I6T2G
S-1200B28-I6T2G
S-1200B29-I6T2G
S-1200B30-I6T2G
S-1200B31-I6T2G
S-1200B32-I6T2G
S-1200B33-I6T2G
S-1200B34-I6T2G
S-1200B35-I6T2G
S-1200B36-I6T2G
S-1200B37-I6T2G
S-1200B38-I6T2G
S-1200B39-I6T2G
S-1200B40-I6T2G
S-1200B41-I6T2G
S-1200B42-I6T2G
S-1200B43-I6T2G
S-1200B44-I6T2G
S-1200B45-I6T2G
S-1200B46-I6T2G
S-1200B47-I6T2G
S-1200B48-I6T2G
S-1200B49-I6T2G
S-1200B50-I6T2G
S-1200B51-I6T2G
S-1200B52-I6T2G
S-1200B53-I6T2G
S-1200B54-I6T2G
S-1200B55-I6T2G
S-1200B15-M5T1G
S-1200B16-M5T1G
S-1200B17-M5T1G
S-1200B18-M5T1G
S-1200B19-M5T1G
S-1200B20-M5T1G
S-1200B21-M5T1G
S-1200B22-M5T1G
S-1200B23-M5T1G
S-1200B24-M5T1G
S-1200B25-M5T1G
S-1200B26-M5T1G
S-1200B27-M5T1G
S-1200B28-M5T1G
S-1200B29-M5T1G
S-1200B30-M5T1G
S-1200B31-M5T1G
S-1200B32-M5T1G
S-1200B33-M5T1G
S-1200B34-M5T1G
S-1200B35-M5T1G
S-1200B36-M5T1G
S-1200B37-M5T1G
S-1200B38-M5T1G
S-1200B39-M5T1G
S-1200B40-M5T1G
S-1200B41-M5T1G
S-1200B42-M5T1G
S-1200B43-M5T1G
S-1200B44-M5T1G
S-1200B45-M5T1G
S-1200B46-M5T1G
S-1200B47-M5T1G
S-1200B48-M5T1G
S-1200B49-M5T1G
S-1200B50-M5T1G
S-1200B51-M5T1G
S-1200B52-M5T1G
S-1200B53-M5T1G
S-1200B54-M5T1G
S-1200B55-M5T1G
Remark Please contact our sales office for products with type A products.
4
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Pin Configurations
Table 2
SNT-6A(H)
Top view
Pin No.
Symbol
VOUT
VSS
Pin Description
1
2
3
4
5
6
Output voltage pin
GND pin
1
2
3
6
5
4
NC*1
No connection
Shutdown pin
GND pin
ON/OFF
VSS
VIN
Input voltage pin
Figure 2
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
Table 3
SOT-23-5
Top view
Pin No.
Symbol
VIN
Description
5
4
3
1
2
3
4
5
Input voltage pin
GND pin
Shutdown pin
No connection
Output voltage pin
VSS
ON/OFF
NC*1
VOUT
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
1
2
Figure 3
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5
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Absolute Maximum Ratings
Table 4
Absolute Maximum Rating
(Ta = 25°C unless otherwise specified)
Item
Symbol
VIN
Unit
V
V
V
V
V
V
SS − 0.3 to VSS + 12
SS − 0.3 to VIN + 0.3
SS − 0.3 to VIN + 0.3
500*1
Input voltage
VON/OFF
VOUT
Output voltage
SNT-6A(H)
Power dissipation
mW
mW
mW
°C
PD
300 (When not mounted on board)
SOT-23-5
600*1
−40 to + 85
−40 to + 125
Operating ambient temperature
Storage temperature
Topr
Tstg
°C
*1. When mounted on board
[Mounted board]
(1) Board size : 114.3 mm × 76.2 mm × t1.6 mm
(2) Board name :JEDEC STANDARD51-7
Caution The absolute maximum ratings are rated values exceeding which the product could suffer
physical damage. These values must therefore not be exceeded under any conditions.
700
600
500
SOT-23-5
400
300
200
100
0
SNT-6A(H)
100
150
50
0
°
Figure 4 Power Dissipation of The Package (When Mounted on Board)
6
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Electrical Characteristics
Table 5
(Ta = 25°C unless otherwise specified)
Test
Item
Symbol
VOUT(E)
Conditions
Min.
Typ.
Max.
Unit
Circuit
VOUT(S) VOUT(S) VOUT(S)
Output voltage*1
V
IN = VOUT(S) + 1.0 V, IOUT = 30 mA
V
1
× 0.99
150*5
× 1.01
Output current*2
IOUT
Vdrop
VIN ≥ VOUT(S) + 1.0 V
mA
V
V
V
V
V
V
V
V
3
1
1
1
1
1
1
1
1
1
1
Dropout voltage*3
I
OUT = 30 mA
1.5 V ≤ VOUT(S) ≤ 1.9 V 0.50
0.50
0.08
0.06
0.05
0.04
0.55
0.24
0.16
0.14
0.13
0.51
0.12
0.08
0.07
0.06
0.60
0.31
0.23
0.21
0.19
2.0 V ≤ VOUT(S) ≤ 2.4 V
2.5 V ≤ VOUT(S) ≤ 2.9 V
3.0 V ≤ VOUT(S) ≤ 3.2 V
3.3 V ≤ VOUT(S) ≤ 5.5 V
I
OUT = 100 mA
1.5 V ≤ VOUT(S) ≤ 1.9 V 0.50
2.0 V ≤ VOUT(S) ≤ 2.4 V
2.5 V ≤ VOUT(S) ≤ 2.9 V
3.0 V ≤ VOUT(S) ≤ 3.2 V
3.3 V ≤ VOUT(S) ≤ 5.5 V
V
V
∆VOUT1
∆VIN•VOUT
V
OUT(S) + 0.5 V ≤ VIN ≤ 10 V,
OUT = 30 mA
IN = VOUT(S) + 1.0 V,
1.0 mA ≤ IOUT ≤ 80 mA
IN = VOUT(S) + 1.0 V, IOUT = 30 mA,
−40°C ≤ Ta ≤ 85°C
Line regulation
Load regulation
0.01
0.2
50
% / V
1
1
1
2
I
V
∆VOUT2
15
mV
∆VOUT
∆Ta•VOUT
Output voltage
V
ppm/
°C
100
18
temperature coefficient*4
Current consumption
during operation
Current consumption
during shutdown
Input voltage
Shutdown pin
input voltage “H”
Shutdown pin
input voltage “L”
Shutdown pin
input current “H”
Shutdown pin
input current “L”
V
IN = VOUT(S) + 1.0 V, ON/OFF pin = ON,
no load
IN = VOUT(S) + 1.0 V, ON/OFF pin = OFF,
no load
ISS1
40
µA
V
ISS2
VIN
0.01
1.0
10
µA
V
2
4
2.0
1.5
VSH
V
V
V
IN = VOUT(S) + 1.0 V, RL = 1.0 kΩ
V
VSL
ISH
IN = VOUT(S) + 1.0 V, RL = 1.0 kΩ
IN = 6.5 V, VON/OFF = 6.5 V
−0.1
−0.1
0.25
0.1
0.1
V
4
4
4
5
5
3
µA
µA
dB
dB
mA
ISL
V
IN = 6.5 V, VON/OFF = 0 V
IN = VOUT(S) + 1.0 V,
V
RR
Ripple rejection
1.5 V ≤ VOUT(S) ≤ 3.0 V
70
65
250
f = 1.0 kHz,
∆Vrip = 0.5 Vrms,
3.1 V ≤ VOUT(S) ≤ 5.5 V
I
V
V
OUT = 50 mA
IN = VOUT(S) + 1.0 V, ON/OFF pin = ON,
OUT = 0 V
Short-circuit current
Ishort
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7
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
*1. VOUT(S): Specified output voltage
V
OUT(E): Actual output voltage at the fixed load
The output voltage when fixing IOUT(= 30 mA) and inputting VOUT(S) + 1.0 V
*2. The output current at which the output voltage becomes 95% of VOUT(E) after gradually increasing the output
current.
*3. Vdrop = VIN1 − (VOUT3 × 0.98)
V
OUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 30 mA or IOUT = 100 mA.
V
IN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the
input voltage.
*4. The change in temperature [mV/°C] is calculated using the following equation.
∆VOUT
∆Ta
∆VOUT
∆Ta • VOUT
*2
[
mV /°C
]
*1 = VOUT(S)
[
V
]
×
[
ppm /°C
]
*3 ÷1000
*1. The change in temperature of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
*5. The output current can be at least this value.
Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid
to the power dissipation of the package when the output current is large.
This specification is guaranteed by design.
8
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Test Circuits
1.
+
A
VIN
VOUT
VSS
+
V
ON/OFF
Set to
power ON
Figure 5
2.
+
A
VIN
VOUT
VSS
ON/OFF
Set to
VIN or GND
Figure 6
3.
4.
+
VIN
VOUT
VSS
A
+
V
ON/OFF
Set to
power ON
Figure 7
VOUT
VSS
VIN
+
+
RL
A
ON/OFF
V
Figure 8
5.
VIN
VOUT
VSS
+
V
ON/OFF
RL
Set to
Power ON
Figure 9
Seiko Instruments Inc.
9
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Standard Circuit
Output
Input
VIN
VOUT
*2
*1
ON/OFF
CL
CIN
VSS
GND
Single GND
*1. CIN is a capacitor for stabilizing the input.
*2. A ceramic capacitor of 0.1 µF or more can be used for CL.
Figure 10
Caution The above connection diagram and constant will not guarantee successful operation.
Perform thorough evaluation using the actual application to set the constant.
Application Conditions
Input capacitor (CIN):
Output capacitor (CL):
ESR of output capacitor:
0.1 µF or more
0.1 µF or more
1.0 Ω or less
Caution A general series regulator may oscillate, depending on the external components selected.
Check that no oscillation occurs with the application using the above capacitor.
Selection of Input and Output Capacitors (CIN, CL)
The S-1200 Series requires an output capacitor between the VOUT and VSS pins for phase compensation.
Operation is stabilized by a ceramic capacitor with an output capacitance of 0.1 µF or more in the entire
temperature range. However, when using an OS capacitor, tantalum capacitor, or aluminum electrolytic
capacitor, a ceramic capacitor with a capacitance of 0.1 µF or more and an ESR of 1.0 Ω or less is required.
The value of the output overshoot or undershoot transient response varies depending on the value of the output
capacitor. The required capacitance of the input capacitor differs depending on the application.
The recommended value for an application is 0.1 µF or more for CIN and 0.1 µF or more for CL; however, when
selecting the output capacitor, perform sufficient evaluation, including evaluation of temperature characteristics,
on the actual device.
10
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Explanation of Terms
1. Low dropout voltage regulator
The low dropout voltage regulator is a voltage regulator whose dropout voltage is low due to its built-in
low on-resistance transistor.
2. Low ESR
A capacitor whose ESR (Equivalent Series Resistance) is low. The S-1200 Series enables use of a low
ESR capacitor, such as a ceramic capacitor, for the output-side capacitor CL. A capacitor whose ESR is
1.0 Ω or less can be used.
3. Output voltage (VOUT
)
The accuracy of the output voltage is ensured at 1.0% under the specified conditions of fixed input
voltage*1, fixed output current, and fixed temperature.
*1. Differs depending on the product.
Caution If the above conditions change, the output voltage value may vary and exceed the
accuracy range of the output voltage. Please see the electrical characteristics and
attached characteristics data for details.
∆VOUT1
4. Line regulation
∆V • VOUT
IN
Indicates the dependency of the output voltage on the input voltage. That is, the values show how much
the output voltage changes due to a change in the input voltage with the output current remaining
unchanged.
5. Load regulation (∆VOUT2
)
Indicates the dependency of the output voltage on the output current. That is, the values show how
much the output voltage changes due to a change in the output current with the input voltage remaining
unchanged.
6. Dropout voltage (Vdrop
)
Indicates the difference between the input voltage VIN1, which is the input voltage (VIN) at the point where
the output voltage has fallen to 98% of the output voltage value VOUT3 after VIN was gradually decreased
from VIN = VOUT(S) + 1.0 V, and the output voltage at that point (VOUT3 × 0.98).
Vdrop = VIN1 − (VOUT3 × 0.98)
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11
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
∆VOUT
∆Ta • VOUT
7. Temperature coefficient of output voltage
The shadowed area in Figure 11 is the range where VOUT varies in the operating temperature range
when the temperature coefficient of the output voltage is 100 ppm/°C.
Ex. S-1200B28 Typ.
VOUT
[V]
+0.28 mV / °C
*1
VOUT(E)
−0.28 mV / °C
−40
25
Ta [°C]
85
*1. VOUT(E) is the value of the output voltage measured at 25°
Figure 11
A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
∆VOUT
∆Ta
∆VOUT
∆Ta • VOUT
*2
*3
[mV /°C
]
*1 = VOUT(S)
[V
]
×
[ppm /°C
]
÷1000
*1. Change in temperature of output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
12
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Operation
1. Basic operation
Figure 12 shows the block diagram of the S-1200 Series.
The error amplifier compares the reference voltage (Vref) with Vfb, which is the output voltage resistance-
divided by feedback resistors Rs and Rf. It supplies the output transistor with the gate voltage necessary
to ensure a certain output voltage free of any fluctuations of input voltage and temperature.
VIN
*1
Current
Error
amplifier
supply
VOUT
−
Vref
Rf
+
Vfb
Reference voltage
circuit
Rs
VSS
Parasitic diode
*1.
Figure 12
2. Output transistor
The S-1200 Series uses a low on-resistance P-channel MOS FET as the output transistor.
Be sure that VOUT does not exceed VIN + 0.3 V to prevent the voltage regulator from being damaged due
to inverse current flowing from the VOUT pin through a parasitic diode to the VIN pin.
Seiko Instruments Inc.
13
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
3. Shutdown pin (ON/OFF pin)
This pin starts and stops the regulator.
When the ON/OFF pin is set to the shutdown level, the operation of all internal circuits stops, and the built-
in P-channel MOS FET output transistor between the VIN pin and VOUT pin is turned off to substantially
reduce the current consumption. The VOUT pin becomes the VSS level due to the internally divided
resistance of several hundreds kΩ between the VOUT pin and VSS pin.
The structure of the ON/OFF pin is as shown in Figure 13. Since the ON/OFF pin is neither pulled down
nor pulled up internally, do not use it in the floating state. In addition, note that the current consumption
increases if a voltage of 0.3 V to VIN – 0.3 V is applied to the ON/OFF pin. When the ON/OFF pin is not
used, connect it to the VSS pin if the logic type is “A” and to the VIN pin if it is “B”.
Table 6
Logic Type
ON/OFF Pin
“L”: Power on
“H”: Power off
“L”: Power off
“H”: Power on
Internal Circuits
Operating
Stopped
VOUT Pin Voltage
Set value
Current Consumption
A
A
B
B
ISS1
ISS2
ISS2
ISS1
VSS level
Stopped
VSS level
Operating
Set value
VIN
ON/OFF
VSS
Figure 13
14
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Precautions
• Wiring patterns for the VIN, VOUT and GND pins should be designed so that the impedance is low.
When mounting an output capacitor between the VOUT and VSS pins (CL) and a capacitor for stabilizing
the input between VIN and VSS pins (CIN), the distance from the capacitors to these pins should be as
short as possible.
• Note that the output voltage may increase when a series regulator is used at low load current (1.0 mA or
less).
• Note that the output voltage may increase due to driver leakage when a series regulator is used at high
temperatures.
• Generally a series regulator may cause oscillation, depending on the selection of external parts. The
following conditions are recommended for this IC. However, be sure to perform sufficient evaluation
under the actual usage conditions for selection, including evaluation of temperature characteristics.
Input capacitor (CIN):
Output capacitor (CL):
0.1 µF or more
0.1 µF or more
Equivalent series resistance (ESR): 1.0 Ω or less
• The voltage regulator may oscillate when the impedance of the power supply is high and the input
capacitor is small or an input capacitor is not connected.
• If the capacitance of the IC’s output block is small, the power supply fluctuation and load fluctuation
characteristics become worse. It is therefore important to sufficiently evaluate the output voltage
fluctuation in the actual equipment.
• When the capacitance of the IC’s output block is small, if the power supply suddenly increases sharply,
a momentary overshoot may be output. It is therefore important to sufficiently evaluate the output
voltage at power application in the actual equipment.
• The application conditions for the input voltage, output voltage, and load current should not exceed the
package power dissipation.
• Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in
electrostatic protection circuit.
• In determining the output current, attention should be paid to the output current value specified in Table
5 in the “ Electrical Characteristics” and footnote *5 of the table.
• SII claims no responsibility for any disputes arising out of or in connection with any infringement by
products including this IC of patents owned by a third party.
Seiko Instruments Inc.
15
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Characteristics (Typical Data)
(1) Output Voltage vs. Output current (when load current increases)
S-1200B15 (Ta = 25°C)
S-1200B30 (Ta = 25°C)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
VIN = 10 V
5.0 V
VIN = 10 V
3.0 V
4.0 V
3.5 V
3.3 V
2.5 V
2.0 V
1.8 V
600
0
100
200
300
400
500
0
100
200
300
400
500
IOUT [mA]
IOUT [mA]
S-1200B50 (Ta = 25°C)
6
5
VIN = 5.3 V
5.5 V
4
3
2
1
0
Remark In determining the output current, attention
should be paid to the following.
6.0 V
10 V
7.0 V
1) The minimum output current value
and footnote *5 in the “ Electrical
Characteristics”
0
100
200
300
400
500
600
2) The package power dissipation
IOUT [mA]
(2) Output voltage vs. Input voltage
S-1200B15 (Ta = 25°C)
S-1200B30 (Ta = 25°C)
1.6
1.5
1.4
3.1
3.0
2.9
IOUT = 1.0 mA
IOUT =1.0 mA
1.3
2.8
30 mA
50 mA
30 mA
50 mA
1.2
2.7
1.1
1.0
2.6
2.5
1.0
1.5
2.0
VIN [V]
2.5
3.0
3.5
2.5
3.0
3.5
VIN [V]
4.0
4.5
5.0
S-1200B50 (Ta = 25°C)
5.5
5.0
IOUT = 1.0 mA
4.5
4.0
3.5
3.0
2.5
30 mA
50 mA
2.0
3.0
4.0
VIN [V]
5.0
6.0
7.0
16
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
(3) Dropout voltage vs. Output current
S-1200B15
S-1200B30
0.50
0.45
0.40
0.35
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
25°C
0.30
0.25
0.20
0.15
0.10
0.05
0
85°C
85°C
25°C
–40°C
–40°C
200
200
0
50
100
150
0
50
100
150
IOUT [mA]
IOUT [mA]
S-1200B50
0.30
0.25
0.20
0.15
0.10
0.05
25°C
85°C
–40°C
0
0
200
50
100
150
IOUT [mA]
(4) Dropout voltage vs. Set output voltage
0.40
0.35
150 mA
0.30
0.25
100 mA
0.20
80 mA
0.15
50 mA
0.10
30 mA
0.05
10 mA
0
6
0
1
2
3
4
5
VOTA [V]
Seiko Instruments Inc.
17
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
(5) Current consumption during shutdown vs. Ambient temperature
S-1200B15 (VIN = 2.5 V)
0.5
0.4
0.3
0.2
0.1
0
85
75
–40 –25
0
25
Ta [°C]
50
(6) Output voltage vs. Ambient temperature
S-1200B15
S-1200B30
3.20
3.15
3.10
3.05
3.00
2.95
2.90
2.85
2.80
1.60
1.55
1.50
1.45
1.40
–40 –25
0
50
75 85
–40 –25
0
25
50
75 85
25
Ta [°C]
Ta [°C]
S-1200B50
5.3
5.2
5.1
5.0
4.9
4.8
4.7
–40 –25
0
25
50
75 85
Ta [°C]
18
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
(7) Current consumption vs. Input voltage
S-1200B15
S-1200B30
25
20
15
10
5
25
25°C
–40°C
–40°C
25°C
20
15
10
5
85°C
85°C
0
0
0
0
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
VIN [V]
VIN [V]
S-1200B50
25
20
15
10
5
–40°C
25°C
85°C
0
0
1
2
3
4
5
6
7
8
9
10
VIN [V]
(8) Ripple rejection
S-1200B15 (Ta = 25°C)
S-1200B30 (Ta = 25°C)
VIN = 2.5 V, COUT = 0.1 µF
VIN = 4.0 V, COUT = 0.1 µF
90
80
70
60
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
0
I
OUT = 1 mA
IOUT = 1 mA
50 mA
50 mA
10
100
1k
10k
100k
1M
10
100
1k
10k
100k
1M
Frequency [Hz]
Frequency [Hz]
S-1200B50 (Ta = 25°C)
VIN = 6.0 V, COUT = 0.1 µF
90
80
70
60
50
40
30
20
10
0
I
OUT = 1 mA
50 mA
10
100
1k
10k
100k
1M
Frequency [Hz]
Seiko Instruments Inc.
19
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Reference Data
(1) Input transient response characteristics
S-1200B15 (Ta = 25°C)
S-1200B30 (Ta = 25°C)
IOUT = 30 mA, tr = tf = 5.0 µs, COUT = 0.1 µF, CIN = 0.1 µF
IOUT = 30 mA, tr = tf = 5.0 µs, COUT = 0.1 µF, CIN = 0.1 µF
1.62
1.60
1.58
1.56
1.54
1.52
1.50
1.48
1.46
3.08
3.06
3.04
3.02
3.00
2.98
2.96
6
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
5
4
VIN
VIN
3
2
VOUT
VOUT
1
1600
-40 -20
0
20 40 60 80 100 120 140 160
-40 -20
0
20 40 60 80 100 120 140
t [µs]
t [µs]
S-1200B50 (Ta = 25°C)
IOUT = 30 mA, tr = tf = 5.0 µs, COUT = 0.1 µF, CIN = 0.1 µF
5.12
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
8
7
6
5
4
3
2
1
0
VIN
VOUT
-40 -20
0
20 40 60 80 100 120 140 160
t [µs]
(2) Load transient response characteristics
S-1200B15 (Ta = 25°C)
VIN = 2.5 V, COUT = 0.1 µF, CIN = 0.1 µF, IOUT = 50↔100 mA
S-1200B30 (Ta = 25°C)
VIN = 4.0 V, COUT = 0.1 µF, CIN = 0.1 µF, IOUT = 50↔100 mA
150
150
100
50
1.70
1.65
1.60
1.55
1.50
1.45
1.40
3.20
100
3.15
IOUT
IOUT
50
3.10
0
0
3.05
VOUT
VOUT
–50
–50
–100
–150
3.00
2.95
2.90
–100
–150
-40 -20
0
20 40 60 80 100 120 140 160
-40 -20
0
20 40 60 80 100 120 140 160
t [µs]
t [µs]
S-1200B50 (Ta = 25°C)
VIN = 6.0 V, COUT = 0.1 µF, CIN = 0.1 µF, IOUT = 50↔100 mA
150
100
50
5.20
5.15
5.10
5.05
5.00
4.95
4.90
IOUT
0
VOUT
–50
–100
–150
-40 -20
0
20 40 60 80 100 120 140 160
t [µs]
20
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
(3) Shutdown pin transient response characteristics
S-1200B15 (Ta = 25°C)
S-1200B30 (Ta = 25°C)
VIN = 2.5 V, COUT = 0.1 µF, CIN = 0.1 µF, IOUT = 30 mA
VIN = 4.0 V, COUT = 0.1 µF, CIN = 0.1 µF, IOUT = 30 mA
5
4
3
2
1
0
3
2
10
8
6
4
VON/OFF
VON/OFF
1
6
2
0
4
2
0
–1
–2
1.6–3
–2
–4
1.6–6
VOUT
VOUT
0
–1-0.4
–2-0.4
-0.2
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4
-0.2
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4
t [ms]
VON/OFF [V]
S-1200B50 (Ta = 25°C)
VIN = 6.0 V, COUT = 0.1 µF, CIN = 0.1 µF, IOUT = 30 mA
20
16
9
6
VON/OFF
12
3
8
0
4
–3
–6
1.6–9
VOUT
0
–4-0.4
-0.2
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4
t [ms]
(4) Input transient response characteristics
Capacity Value characteristics
S-1200B15 (Ta = 25°C)
V
IN = 2.5 → 4.5 V, tr = 5 µs, IOUT = 50 mA
V
IN = 4.5→ 2.5 V, tr = 5 µs, IOUT = 50 mA
6
6
1.8
1.7
1.6
1.5
1.4
1.3
1.2
2.0
4
4
1.8
VIN
VIN
2
2
1.6
COUT = 0.1 µF
COUT = 1.0 µF
0
0
VOUT
1.4
1.2
1.0
0.8
VOUT
COUT = 1.0 µF
COUT = 0.1 µF
–2
–4
–6
–2
–4
–6
-40 -20
0
20 40 60 80 100 120 140 160
-40 -20
0
20 40 60 80 100 120 140 160
t [µs]
t [µs]
(5) Load transient response characteristics
Capacity Value characteristics
S-1200B15 (Ta = 25°C)
V
IN = 2.5 V, IOUT = 1 → 50 mA
V
IN = 2.5 V, IOUT = 50 → 1 mA
100
50
0
100
50
0
2.0
2.2
1.8
2.0
IOUT
IOUT
COUT = 1.0 µF
COUT = 0.1 µF
1.6
1.4
1.2
1.0
0.8
1.8
COUT = 1.0 µF
COUT = 0.1 µF
VOUT
VOUT
1.6
1.4
1.2
1.0
-40 -20
0
20 40 60 80 100 120 140 160
-40 -20
0
20 40 60 80 100 120 140 160
t [µs]
t [µs]
Seiko Instruments Inc.
21
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Marking Specifications
(1) SNT-6A(H)
SNT-6A(H)
Top view
(1) to (3)
(4) to (6)
: Product code (Refer to Product name vs. Product code)
: Lot number
1
2
3
6
5
4
Product name vs. Product code
Product code
Product code
Product name
Product name
(1)
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
(2)
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
(3)
A
B
C
D
E
F
G
H
I
(1)
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
(2)
O
O
O
O
O
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
(3)
V
W
X
Y
Z
A
B
C
D
E
F
G
H
I
J
K
L
S-1200B15-I6T2G
S-1200B16-I6T2G
S-1200B17-I6T2G
S-1200B18-I6T2G
S-1200B19-I6T2G
S-1200B20-I6T2G
S-1200B21-I6T2G
S-1200B22-I6T2G
S-1200B23-I6T2G
S-1200B24-I6T2G
S-1200B25-I6T2G
S-1200B26-I6T2G
S-1200B27-I6T2G
S-1200B28-I6T2G
S-1200B29-I6T2G
S-1200B30-I6T2G
S-1200B31-I6T2G
S-1200B32-I6T2G
S-1200B33-I6T2G
S-1200B34-I6T2G
S-1200B35-I6T2G
S-1200B36-I6T2G
S-1200B37-I6T2G
S-1200B38-I6T2G
S-1200B39-I6T2G
S-1200B40-I6T2G
S-1200B41-I6T2G
S-1200B42-I6T2G
S-1200B43-I6T2G
S-1200B44-I6T2G
S-1200B45-I6T2G
S-1200B46-I6T2G
S-1200B47-I6T2G
S-1200B48-I6T2G
S-1200B49-I6T2G
S-1200B50-I6T2G
S-1200B51-I6T2G
S-1200B52-I6T2G
S-1200B53-I6T2G
S-1200B54-I6T2G
S-1200B55-I6T2G
J
K
L
M
N
O
P
Q
R
S
T
M
N
O
U
Remark Please contact our sales office for products with type A products.
22
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
(2) SOT-23-5
SOT-23-5
Top view
(1) to (3)
(4)
: Product code (Refer to Product name vs. Product code)
: Lot number
5
4
(1) (2) (3) (4)
1
2
3
Product name vs. Product code
Product code
Product code
Product name
Product name
(1)
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
(2)
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
(3)
(1)
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
(2)
O
O
O
O
O
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
(3)
V
W
X
Y
Z
A
B
C
D
E
F
G
H
I
J
K
L
S-1200B15-M5T1G
S-1200B16-M5T1G
S-1200B17-M5T1G
S-1200B18-M5T1G
S-1200B19-M5T1G
S-1200B20-M5T1G
S-1200B21-M5T1G
S-1200B22-M5T1G
S-1200B23-M5T1G
S-1200B24-M5T1G
S-1200B25-M5T1G
S-1200B26-M5T1G
S-1200B27-M5T1G
S-1200B28-M5T1G
S-1200B29-M5T1G
S-1200B30-M5T1G
S-1200B31-M5T1G
S-1200B32-M5T1G
S-1200B33-M5T1G
S-1200B34-M5T1G
S-1200B35-M5T1G
A
B
C
D
E
F
G
H
I
S-1200B36-M5T1G
S-1200B37-M5T1G
S-1200B38-M5T1G
S-1200B39-M5T1G
S-1200B40-M5T1G
S-1200B41-M5T1G
S-1200B42-M5T1G
S-1200B43-M5T1G
S-1200B44-M5T1G
S-1200B45-M5T1G
S-1200B46-M5T1G
S-1200B47-M5T1G
S-1200B48-M5T1G
S-1200B49-M5T1G
S-1200B50-M5T1G
S-1200B51-M5T1G
S-1200B52-M5T1G
S-1200B53-M5T1G
S-1200B54-M5T1G
S-1200B55-M5T1G
J
K
L
M
N
O
P
Q
R
S
T
M
N
O
U
Remark Please contact our sales office for products with type A products.
Seiko Instruments Inc.
23
1.57±0.03
6
4
5
+0.05
-0.02
0.08
1
2
3
0.5
0.48±0.02
0.2±0.05
No. PI006-A-P-SD-2.0
SNT-6A(H)-A-PKG Dimensions
PI006-A-P-SD-2.0
TITLE
No.
SCALE
UNIT
mm
Seiko Instruments Inc.
+0.1
-0
ø1.5
4.0±0.1
2.0±0.05
0.25±0.05
+0.1
ø0.5
-0
4.0±0.1
0.65±0.05
1.85±0.05
5°
3
2
5
1
6
4
Feed direction
No. PI006-A-C-SD-1.0
TITLE
SNT-6A(H)-A-Carrier Tape
PI006-A-C-SD-1.0
No.
SCALE
UNIT
mm
Seiko Instruments Inc.
12.5max.
9.0±0.3
Enlarged drawing in the central part
ø13±0.2
(60°)
(60°)
No. PI006-A-R-SD-1.0
SNT-6A(H)-A-Reel
TITLE
No.
PI006-A-R-SD-1.0
SCALE
UNIT
QTY.
5,000
mm
Seiko Instruments Inc.
0.52
1.36
0.52
0.3
0.3
0.2
0.3
0.2
Caution Making the wire pattern under the package is possible. However, note that the package
may be upraised due to the thickness made by the silk screen printing and of a solder
resist on the pattern because this package does not have the standoff.
No. PI006-A-L-SD-3.0
SNT-6A(H)-A-Land Recommendation
TITLE
No.
PI006-A-L-SD-3.0
SCALE
UNIT
mm
Seiko Instruments Inc.
2.9±0.2
1.9±0.2
4
5
+0.1
-0.06
1
2
3
0.16
0.95±0.1
0.4±0.1
No. MP005-A-P-SD-1.2
TITLE
SOT235-A-PKG Dimensions
MP005-A-P-SD-1.2
No.
SCALE
UNIT
mm
Seiko Instruments Inc.
4.0±0.1(10 pitches:40.0±0.2)
+0.1
-0
2.0±0.05
0.25±0.1
ø1.5
+0.2
-0
4.0±0.1
ø1.0
1.4±0.2
3.2±0.2
3
4
2 1
5
Feed direction
No. MP005-A-C-SD-2.1
TITLE
SOT235-A-Carrier Tape
MP005-A-C-SD-2.1
No.
SCALE
UNIT
mm
Seiko Instruments Inc.
12.5max.
9.0±0.3
Enlarged drawing in the central part
ø13±0.2
(60°)
(60°)
No. MP005-A-R-SD-1.1
TITLE
SOT235-A-Reel
MP005-A-R-SD-1.1
No.
SCALE
UNIT
QTY.
3,000
mm
Seiko Instruments Inc.
·
·
The information described herein is subject to change without notice.
Seiko Instruments Inc. is not responsible for any problems caused by circuits or diagrams described herein
whose related industrial properties, patents, or other rights belong to third parties. The application circuit
examples explain typical applications of the products, and do not guarantee the success of any specific
mass-production design.
·
·
·
When the products described herein are regulated products subject to the Wassenaar Arrangement or other
agreements, they may not be exported without authorization from the appropriate governmental authority.
Use of the information described herein for other purposes and/or reproduction or copying without the
express permission of Seiko Instruments Inc. is strictly prohibited.
The products described herein cannot be used as part of any device or equipment affecting the human
body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus
installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc.
Although Seiko Instruments Inc. exerts the greatest possible effort to ensure high quality and reliability, the
failure or malfunction of semiconductor products may occur. The user of these products should therefore
give thorough consideration to safety design, including redundancy, fire-prevention measures, and
malfunction prevention, to prevent any accidents, fires, or community damage that may ensue.
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