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PDF S-1200 Data sheet ( Hoja de datos )
| Número de pieza | S-1200 | |
| Descripción | HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR | |
| Fabricantes | Seiko Instruments | |
| Logotipo |  |
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Rev.3.2_00
HIGH RIPPLE-REJECTION LOW DROPOUT
LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
S-1200 Series
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
• Output voltage:
1.5 V to 5.5 V, selectable in 0.1 V steps.
• Low ESR capacitor can be used: A ceramic capacitor of 0.1 µF or more can be used for the output
capacitor.
• Wide input voltage range:
2.0 V to 10.0 V
• High-accuracy output voltage: ±1.0%
• Low dropout voltage:
140 mV typ. (3.0 V output product, IOUT = 100 mA)
• Low current consumption:
During operation: 18 µA typ., 40 µA max.
• Output current:
• High ripple rejection:
• Built-in overcurrent protector:
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.
• Built-in ON/OFF circuit:
www.DataS•heSemt4Ual.lcopmackage:
Ensures long battery life.
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
Package Name
SNT-6A(H)
SOT-23-5
Package
PI006-A
MP005-A
Drawing Code
Tape
Reel
PI006-A
PI006-A
MP005-A
MP005-A
Land
PI006-A
Seiko Instruments Inc.
1
1 page  
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1200 Series
Pin Configurations
SNT-6A(H)
Top view
16
25
34
Figure 2
Table 2
Pin No.
Symbol
Pin Description
1
VOUT
Output voltage pin
2
VSS
GND pin
3
NC*1
No connection
4 ON/OFF Shutdown pin
5
VSS
GND pin
6 VIN Input voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
SOT-23-5
Top view
54
123
Table 3
Pin No.
Symbol
Description
1 VIN Input voltage pin
2
VSS
GND pin
3 ON/OFF Shutdown pin
4
NC*1
No connection
5
VOUT
Output voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
Figure 3
www.DataSheet4U.com
Seiko Instruments Inc.
5
5 Page 
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.
4.
Line
regulation
∆VOUT1
∆VIN • VOUT
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)
www.DataSheetIthn4edUi.ccooaumttepsutthveoldtaifgfeerehnacsefableletwn etoen98th%e
input voltage
of the output
VIN1, which is
voltage value
the input voltage (VIN) at the point where
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)
Seiko Instruments Inc.
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet S-1200.PDF ] | |
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