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Número de pieza | S-1165 | |
Descripción | HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR | |
Fabricantes | Seiko Instruments | |
Logotipo | ||
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© Seiko Instruments Inc., 2002-2015
HIGH RIPPLE-REJECTION LOW DROPOUT
CMOS VOLTAGE REGULATOR
Rev.4.1_00
The S-1165 Series is a positive voltage regulator with a low dropout voltage, high-accuracy output voltage, and
low current consumption developed based on CMOS technology.
A built-in low on-resistance transistor provides a low dropout voltage and large output current, and a built-in
overcurrent protection circuit prevents the load current from exceeding the current capacity of the output
transistor. An ON/OFF circuit ensures a long battery life, and a small SOT-23-5 package realizes high-density
mounting.
Features
• Output voltage:
• Output voltage accuracy:
• Dropout voltage:
• Current consumption:
• Output current:
• Ripple rejection:
• Built-in overcurrent protection circuit:
• Built-in ON/OFF circuit:
• Operation temperature range:
• Lead-free, Sn 100%, halogen-free*2
1.5 V to 5.5 V, selectable in 0.1 V step
±1.0%
140 mV typ. (3.0 V output product, IOUT = 200 mA)
During operation: 35 μA typ., 65 μA max.
During power-off: 0.1 μA typ., 1.0 μA max.
Possible to output 200 mA (VIN ≥ VOUT(S) + 1.0 V)*1
70 dB typ. (f = 1.0 kHz)
Limits overcurrent of output transistor.
Ensures long battery life.
Ta = −40°C to +85°C
*1. Attention should be paid to the power dissipation of the package when the output current is large.
*2. Refer to “ Product Name Structure” for details.
Applications
• Constant-voltage power supply for battery-powered device
• Constant-voltage power supply for personal communication device
• Constant-voltage power supply for home electric/electronic appliance
• Constant-voltage power supply for cellular phone
Package
• SOT-23-5
Seiko Instruments Inc.
1
1 page HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.1_00
S-1165 Series
Pin Configuration
SOT-23-5
Top view
54
123
Pin No.
1
2
3
4
5
Symbol
VIN
VSS
ON/OFF
NC*1
VOUT
Table 2
Description
Input voltage pin
GND pin
ON/OFF pin
No connection
Output voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN pin or VSS pin.
Figure 2
Seiko Instruments Inc.
5
5 Page HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.1_00
S-1165 Series
6. Output voltage temperature coefficient
ΔVOUT
ΔTa • VOUT
The shaded area in Figure 10 is the range where VOUT varies in the operation temperature range when
the output voltage temperature coefficient is ±100 ppm/°C.
Example of S-1165B28 typ. product
VOUT
[V]
+0.28 mV/°C
VOUT(E)*1
−0.28 mV/°C
−40 +25 +85 Ta [°C]
*1. VOUT(E) is the value of the output voltage measured at Ta = +25°C.
Figure 10
A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
ΔVOUT
ΔTa
[mV/°C]*1 = VOUT(S) [V]*2 ×
ΔVOUT
ΔTa • VOUT
[ppm/°C]*3 ÷ 1000
*1. Change in temperature of output voltage
*2. Set output voltage
*3. Output voltage temperature coefficient
Seiko Instruments Inc.
11
11 Page |
Páginas | Total 23 Páginas | |
PDF Descargar | [ Datasheet S-1165.PDF ] |
Número de pieza | Descripción | Fabricantes |
S-1165 | HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR | Seiko Instruments |
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