參數(shù)資料
型號： S-8323
廠商： Seiko Instruments Inc.
英文描述： CMOS PWM-Control Step-Up Switching Regulator(Built-In Switch)(CMOS PFM（頻率脈沖調(diào)制）控制步升開關穩(wěn)壓器)
中文描述： 的CMOS脈寬調(diào)制控制升壓開關穩(wěn)壓器（內(nèi)置開關）（烤瓷的CMOS（頻率脈沖調(diào)制）控制步升開關穩(wěn)壓器）
文件頁數(shù)： 6/65頁
文件大?。?/td> 569K
代理商： S-8323
SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR
S-8323/8327 Series
Seiko Instruments Inc.
5
1-2.S-8323AXXMA, S-8323AXXUA, S-8323DXXMC
(Unless otherwise specified: Ta=25
°
C)
Typ.
Max.
Parameter
Symbol
Conditions
Min.
Unit
Test circuit
S-8323X50XX
S-8323X33XX
S-8323X30XX
S-8323X27XX
S-8323X25XX
S-8323X20XX
4.880
3.221
2.928
2.635
2.440
1.952
—
—
—
5.000
3.300
3.000
2.700
2.500
2.000
—
—
—
5.120
3.379
3.072
2.765
2.560
2.048
9
0.9
0.8
Output voltage
-V
OUT
V
1
Input voltage
Operation start voltage
Oscillation start voltage
V
IN
V
ST1
V
ST2
I
OUT
=1mA
No external parts, voltage applied to V
OUT
CONT pulled up to 5 V by 10k
I
=1mA, Measured by decreasing V
IN
voltage gradually.
2
Operation holding voltage
V
HLD
0.7
—
—
1
S-8323X50XX
S-8323X33XX
S-8323X30XX
S-8323X27XX
S-8323X25XX
S-8323X20XX
S-8323X50XX
S-8323X33XX
S-8323X30XX
S-8323X27XX
S-8323X25XX
S-8323X20XX
S-8323X50XX
S-8323X33XX
S-8323X30XX
S-8323X27XX
S-8323X25XX
S-8323X20XX
—
—
—
—
—
—
—
—
—
—
—
—
114
78
78
61
61
45
—
30.2
19.1
17.2
15.5
14.3
11.6
3.5
3.3
3.2
3.2
3.2
3.1
182
125
125
98
98
71
—
50.3
31.8
28.7
25.9
23.9
19.4
6.9
6.5
6.4
6.4
6.3
6.2
—
—
—
—
—
—
1.0
Current consumption 1
I
SS1
V
OUT
=output voltage
×
0.95
μ
A
2
Current consumption 2
I
SS2
V
OUT
=output voltage+0.5
Switching current
I
SW
VCONT=0.4V
mA
—
Switchin
current
Line regulation
Load regulation
transistor
leak
I
SWQ
V
OUT
= VCONT=9V
μ
A
V
OUT1
V
OUT2
V
IN
= output voltage
×
0.4 to
×
0.6
I
OUT
=10
μ
A to I
OUT
(below)
×
1.25
—
—
—
—
—
—
—
—
42.5
30
30
60
60
—
—
—
—
—
—
57.5
mV
S-8323X50XX
S-8323X33XX
S-8323X30XX
S-8323X27XX
S-8323X25XX
S-8323X20XX
±0.25
±0.17
±0.15
±0.14
±0.13
±0.10
50
Output voltage
temperature
coefficient
V
OUT
/
Ta
Ta=-40
°
C to +85
°
C
mV/
°
C
1
Oscillation frequency
fosc
V
OUT
=output voltage
×
0.95
Measured waveform at CONT pin
V
OUT
=output voltage
×
0.95
Measured waveform at CONT pin
kHz
2
Max.duty ratio
MaxDuty
75
83
90
%
Soft start time
T
SS
3.0
—
—
—
—
—
—
6.0
87
83
83
79
79
75
12.0
—
—
—
—
—
—
ms
—
S-8323X50XX
S-8323X33XX
S-8323X30XX
S-8323X27XX
S-8323X25XX
S-8323X20XX
Efficiency
EFFI
%
2
External parts used:
- Coil:
- Diode:
- Capacitor: F93 (16V, 22
μ
F, tantalum type) of Nichicon Corporation)
Applied V
IN
=output voltage
×
0.6, I
OUT
=output voltage/250
The V
DD
pin is connected to V
OUT
pin for V
DD
/V
OUT
separate product.
CD54 (100
μ
H) of Sumida Electric Co., Ltd.
MA720 (Schottky type) of Matsushita Electronic Components Co., Ltd.
Note 1: The output voltage specified above is the typical value.
Note 2: V
DD
/V
OUT
Separate products:
Boot operation is performed from V
DD
=0.8V.
However, 2.0 V or more for V
DD
is recommended to stabilize the output voltage and oscilation frequency.
相關PDF資料
PDF描述
S-8327 CMOS PWM-Control Step-Up Switching Regulator(External Transistor)(CMOS PFM（頻率脈沖調(diào)制）控制步升開關穩(wěn)壓器)
S-8324 CMOS PWM/PFM-Control Step-Up Switching Regulator(CMOS PWM/PFM控制步升開關穩(wěn)壓器)
S-8328 CMOS PWM/PFM-Control Step-Up Switching Regulator(CMOS PWM/PFM控制步升開關穩(wěn)壓器)
S-8330 Step-Up Switching Regulator For LCD Bias Supply(用于LCD偏置電源的步升開關穩(wěn)壓器)
S-8331 Step-Up Switching Regulator For LCD Bias Supply(用于LCD偏置電源的步升開關穩(wěn)壓器)
相關代理商/技術參數(shù)
參數(shù)描述
S-8323A27MC-ELH-T2 功能描述:開關變換器、穩(wěn)壓器與控制器 REORD 628-8353A27MC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
S-8323A30MC-ELK-T2 功能描述:DC/DC 開關控制器 3.0V 17.2uA 2.4% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 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-8323A33MC-ELN-T2 功能描述:DC/DC 開關控制器 3.3V 19.1uA 2.4% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 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-8323A50MC-EME-T2 功能描述:開關變換器、穩(wěn)壓器與控制器 REORD 628-8353A50MC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
S8324A10-8 制造商: 功能描述: 制造商:undefined 功能描述:
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