參數(shù)資料
型號(hào): S-8323
廠(chǎng)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(kāi)關(guān)穩(wěn)壓器)
中文描述: 的CMOS脈寬調(diào)制控制升壓開(kāi)關(guān)穩(wěn)壓器(內(nèi)置開(kāi)關(guān))(烤瓷的CMOS(頻率脈沖調(diào)制)控制步升開(kāi)關(guān)穩(wěn)壓器)
文件頁(yè)數(shù): 22/65頁(yè)
文件大小: 569K
代理商: S-8323
SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR
S-8323/8327 Series
Seiko Instruments Inc.
21
4.
PDA/Digital Camera Power Supply
The following are a circuit example and its characteristics showing a 3-V system drive (3V/200mA) powered by 4 secondary
Nicd batteries (3.6 to 4.8V), 2 lithium-ion batteries (4.8 to 8.8V) or 4 alkaline-manganese batteries
(
3.6 to 6.0V
)
.
2.95
2.97
2.99
3.01
3.03
3.05
0.01
0.1
1.
10.
(mA)
100.
1000.
VIN=3.3V
VIN=3.6V
VIN=4.8V
VIN=7.2V
0
20
40
60
80
100
0.01
0.1
Output Current I
OUT
1.
10.
(mA)
100.
1000.
VIN=3.3V
VIN=3.6V
VIN=4.8V
VIN=7.2V
(a) Output Current - Output Voltage
(b)Output Current - Efficiency
Output
Voltage
V
OUT
(V)
Efficiency
η
(%)
Output Current I
OUT
t (10
μ
sec/div)
Output
Voltage
(10mV/div)
0V
Point A
Voltage
(1V/div)
3V
VIN=3.6V IOUT=300mA
Figure 22
V
DD
S-8324D30
-
C
IN
+
-
+
V
OUT
V
S
C
OUT
R
E
R
b
CONT
V
IN
3V
2SA1213/TOSHIBA
5.1k
750
A
MA720
SD
CD54/100
μ
H
F93
22
μ
F
L
Figure 20
Figure 21
(c) Ripple Characteristics
相關(guān)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(kāi)關(guān)穩(wěn)壓器)
S-8324 CMOS PWM/PFM-Control Step-Up Switching Regulator(CMOS PWM/PFM控制步升開(kāi)關(guān)穩(wěn)壓器)
S-8328 CMOS PWM/PFM-Control Step-Up Switching Regulator(CMOS PWM/PFM控制步升開(kāi)關(guān)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(kāi)關(guān)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(kāi)關(guān)穩(wěn)壓器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-8323A27MC-ELH-T2 功能描述:開(kāi)關(guān)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(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
S-8323A30MC-ELK-T2 功能描述:DC/DC 開(kāi)關(guān)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(kāi)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(fēng)格: 封裝 / 箱體:CPAK
S-8323A33MC-ELN-T2 功能描述:DC/DC 開(kāi)關(guān)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(kāi)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(fēng)格: 封裝 / 箱體:CPAK
S-8323A50MC-EME-T2 功能描述:開(kāi)關(guān)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(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)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: