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Número de pieza | S-1701 | |
Descripción | HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR | |
Fabricantes | SII Semiconductor | |
Logotipo | ||
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www.sii-ic.com
HIGH RIPPLE-REJECTION LOW DROPOUT
CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
© SII Semiconductor Corporation, 2004-2015
Rev.3.1_01
The S-1701 Series, developed based on CMOS technology, is a voltage regulator with a reset function and integrates a
high-accuracy voltage detector with on-chip delay circuit and a positive voltage regulator with a low dropout voltage and high
output voltage on one chip.
The S-1701 Series is available in many types according to the selection of the voltage detector block of the voltage detector,
including a SENSE pin input product. A built-in low on-resistance transistor provides a low dropout voltage and large output
current.
Small ceramic capacitors are available and an external capacitor for delay is needless. Small SOT-23-5 and SOT-89-5
packages realize high-density mounting.
Features
Regulator block
• Output voltage:
• Input voltage:
• Output voltage accuracy:
• Current consumption
• Output current:
• Input and output capacitors:
• Ripple rejection:
• Built-in overcurrent protection circuit:
• Built-in ON/OFF circuit:
1.5 V to 5.0 V, selectable in 0.1 V step
2.0 V to 6.5 V
±1.0%
During power-off: 0.1 μA typ., 1.0 μA max.
Possible to output 400 mA (VIN ≥ VOUT(S) + 2.0 V)*1
A ceramic capacitor of 1.0 μF or more can be used.
70 dB typ. (f = 1.0 kHz)
Limits overcurrent of output transistor.
Ensures long battery life.
Detector block
• Detection voltage:
1.5 V to 5.5 V, selectable in 0.1 V step
• Detection voltage accuracy:
±1.0%
• Input voltage:
0.8 V to 6.5 V
• Output mode:
Nch open-drain active low output
• No need of an external capacitor for delay
• Three delay time settings:
No delay (60 μs), 50 ms, 100 ms
Whole regulator
• Current consumption
• Operation temperature range:
• Lead-free, Sn 100%, halogen-free*2
During operation: 85 μA typ.
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 and reset circuit for battery-powered device
• Constant-voltage power supply for personal communication device
• Constant-voltage power supply for home appliance
Packages
• SOT-23-5
• SOT-89-5
1
1 page HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.3.1_01
S-1701 Series
Product Name Structure
Users can select the product type, output voltage, detection voltage, and package type for the S-1701 Series. Refer to
the “1. Product name” regarding the contents of product name, “2. Function list according to product type” regarding
the product types, “3. Package” regarding the package drawings, and “4. Product name list” regarding details of the
product name.
1. Product name
S-1701 x xx xx - xxxx x
Environmental code
U : Lead-free (Sn 100%), halogen-free
G : Lead-free (for details, please contact our sales office)
Package name (abbreviation) and packing specifications*1
M5T1 : SOT-23-5, Tape
U5T1 : SOT-89-5, Tape
Detection voltage*2
15 to 55
(e.g., when the output voltage is 1.5 V, it is expressed as 15.)
Output voltage
15 to 50
(e.g., when the output voltage is 1.5 V, it is expressed as 15.)
Product type*3
A to Z (I and O are not provided)
*1. Refer to the tape drawing.
*2. In the S-1701D to S-1701F, S-1701K to S-1701M, and S-1701U to S-1701W types (that detect output
voltage), a reset signal may be output due to the under shoot of the output voltage when the input voltage or
load current changes transiently. Therefore, set the detection voltage after sufficient evaluation using actual
devices.
*3. Refer to the “2. Function list according to product type”.
5
5 Page HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.3.1_01
S-1701 Series
4. 7 S-1701 Series G type
ON/OFF pin
SENSE pin
: Provided
: VIN connection
Output Voltage
2.5 V ± 1.0%
3.3 V ± 1.0%
Detection Voltage
2.4 V ± 1.0%
3.1 V ± 1.0%
ON/OFF logic
: Active low
Release delay time : No delay (60 μs)
Table 8
SOT-23-5
S-1701G2524-M5T1x
S-1701G3331-M5T1x
SOT-89-5
−
−
4. 8 S-1701 Series H type
ON/OFF pin
SENSE pin
: Provided
: VIN connection
Output Voltage
5.0 V ± 1.0%
Detection Voltage
4.5 V ± 1.0%
ON/OFF logic
: Active low
Release delay time : 50 ms
Table 9
SOT-23-5
−
SOT-89-5
S-1701H5045-U5T1x
4. 9 S-1701 Series M type
ON/OFF pin
SENSE pin
: Provided
: VOUT connection
Output Voltage
1.8 V ± 1.0%
Detection Voltage
1.5 V ± 1.0%
ON/OFF logic
: Active low
Release delay time : 100 ms
Table 10
SOT-23-5
S-1701M1815-M5T1x
SOT-89-5
−
4. 10 S-1701 Series N type
ON/OFF pin
SENSE pin
: VIN connection
: Provided
Output Voltage
1.5 V ± 1.0%
1.8 V ± 1.0%
1.8 V ± 1.0%
1.8 V ± 1.0%
2.5 V ± 1.0%
2.7 V ± 1.0%
2.7 V ± 1.0%
3.0 V ± 1.0%
3.3 V ± 1.0%
3.3 V ± 1.0%
5.0 V ± 1.0%
Detection Voltage
1.5 V ± 1.0%
1.5 V ± 1.0%
2.4 V ± 1.0%
2.7 V ± 1.0%
1.5 V ± 1.0%
1.5 V ± 1.0%
2.4 V ± 1.0%
1.5 V ± 1.0%
1.5 V ± 1.0%
3.0 V ± 1.0%
1.5 V ± 1.0%
ON/OFF logic
: None
Release delay time : No delay (60 μs)
Table 11
SOT-23-5
S-1701N1515-M5T1x
S-1701N1815-M5T1x
−
S-1701N1827-M5T1x
S-1701N2515-M5T1x
S-1701N2715-M5T1x
S-1701N2724-M5T1x
S-1701N3015-M5T1x
S-1701N3315-M5T1x
S-1701N3330-M5T1x
S-1701N5015-M5T1x
SOT-89-5
S-1701N1515-U5T1x
S-1701N1815-U5T1x
S-1701N1824-U5T1x
−
S-1701N2515-U5T1x
S-1701N2715-U5T1x
S-1701N2724-U5T1x
S-1701N3015-U5T1x
S-1701N3315-U5T1x
S-1701N3330-U5T1x
S-1701N5015-U5T1x
Remark 1. Please contact our sales office for products with an output voltage or detection voltage other than those
specified above.
2. x: G or U
3. Please select products of environmental code = U for Sn 100%, halogen-free products.
11
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet S-1701.PDF ] |
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