參數(shù)資料
型號： S-8340A25AFT-T2
元件分類： 穩(wěn)壓器
英文描述： 0.1 A SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO8
封裝： TSSOP-8
文件頁數(shù)： 52/53頁
文件大?。?/td> 855K
代理商： S-8340A25AFT-T2
STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8340/8341 Series
Rev.2.2_00
Seiko Instruments Inc.
8
(2) 600 kHz, Output Voltage External Setting Type (B Type)
Table 6
(Ta = 25
°C unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Measurement
Circuit
Output voltage
*1
VOUT(E)
VIN
= 2.4 V, IOUT = 80 mA
3.920
4.000
4.080
V
3
FB pin voltage
VFB
VIN
= 2.4 V, IOUT = 80 mA
0.980
1.000
1.020
V
3
Input voltage
VIN
6
V
3
Oscillation start voltage
VST2
No external parts.
The voltage is applied to VDD.
0.9
V
4
Current consumption 1
ISS1
VOUT
= 3.8 V
460
740
A
4
Current consumption 2
ISS2
VOUT
= 4.5 V
180
300
A
4
Current consumption
at shutdown
ISSS
VOUT
= 3.8 V, VON/OFF = 0 V
3.0
A
4
IEXTH
VEXT
= VOUT(E) 0.2 V
19
30
mA
EXT pin output current
IEXTL
VEXT
= 0.2 V
46
69
mA
Line regulation
VOUT1
1.6 V
≤ VIN ≤ 2.4 V, IOUT = 80 mA
20
40
mV
3
Load regulation
VOUT2
VIN
=2.4 V, 10 A ≤ IOUT ≤ 100 mA
20
40
mV
3
Output voltage
temperature coefficient
*2
VOUT
TaVOUT
VIN
= 2.4 V, IOUT = 80 mA, Ta = 40 to +85°C
±100
ppm/°C
3
Oscillation frequency
fOSC
VOUT
= 3.8 V, measure waveform at the EXT pin
510
600
690
kHz
4
Maximum duty ratio
MaxDuty
VIN
= 3.8 V, measure waveform at the EXT pin
73
82
89
%
4
PWM/PFM switching duty
ratio
(S-8341 Series B type)
PFMDuty VIN
= VOUT(E) 0.1 V, under no load
19
27
35
%
3
Current limit detection
voltage
VSENSE
VOUT
= 3.8 V
Judge oscillation at the EXT pin or oscillation stop
at “L”
90
120
150
mV
4
FB pin input current
IFB
VOUT
= 6 V, VFB = 1.5 V
50
50
nA
4
VSH
VOUT
= 3.8 V
Judge oscillation at the EXT pin.
0.8
V
4
ON/OFF pin input voltage
VSL
VOUT
= 3.8 V
Judge oscillation stop at the EXT pin.
0.3
V
4
ISH
VOUT
= 6 V, VON/OFF = 6 V
0.1
0.1
A
4
ON/OFF pin input
leakage current
ISL
VOUT
= 6 V, VON/OFF = 0 V
0.1
0.1
A
4
S-8340B00
3.0
6.0
14.0
ms
3
VIN
= 2.4 V,
CSS
= 4700 pF,
IOUT
= 80 mA,
Soft-start time
tSS
Measure time until oscillation
occurs at the EXT pin.
S-8341B00
3.0
8.0
14.0
ms
3
Efficiency
EFFI
VIN
= 2.4 V, IOUT = 80 mA
85
%
3
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S-8340A25AFT-T2-G 功能描述:DC/DC 開關(guān)控制器 2.5V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8340A30AFT-T2 功能描述:DC/DC 開關(guān)控制器 3.0V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8340A30AFT-T2-G 功能描述:DC/DC 開關(guān)控制器 3.0V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8340A33AFT-T2 功能描述:DC/DC 開關(guān)控制器 3.3V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8340A33AFT-T2-G 功能描述:DC/DC 開關(guān)控制器 3.3V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
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