參數(shù)資料
型號: S-8327
廠商: Seiko Instruments Inc.
英文描述: CMOS PWM-Control Step-Up Switching Regulator(External Transistor)(CMOS PFM(頻率脈沖調(diào)制)控制步升開關(guān)穩(wěn)壓器)
中文描述: 的CMOS脈寬調(diào)制控制升壓開關(guān)穩(wěn)壓器(外部晶體管)(烤瓷的CMOS(頻率脈沖調(diào)制)控制步升開關(guān)穩(wěn)壓器)
文件頁數(shù): 39/65頁
文件大?。?/td> 569K
代理商: S-8327
SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR
S-8323/8327 Series
38
Seiko Instruments Inc.
Choose a suitable inductor according to the Figure 31, referring to Table 3.
(a) Output voltage characteristics for output current and (b) efficiency characteristics for output current under conditions (1) to
(17) shown in Tables 1 and 2 are shown below.
(1) S-8323A20 (LQH3C:220
μ
H)
(a)Outpur Current - Output Voltage
(b)Output Current - Efficiency
1.95
1.97
1.99
2.01
2.03
2.05
0.01
0.1
1.
10.
100.
Output Current
I
OUT
(mA)
Output Voltage
V
OUT
(V)
VIN=0.9V
VIN=1.0V
VIN=1.2V
VIN=1.6V
50
60
70
80
90
100
0.01
0.1
1.
10.
100.
Output Current
I
OUT
(mA)
Efficiency
η
(%)
VIN=0.9V
VIN=1.0V
VIN=1.2V
VIN=1.6V
(2) S-8323A20 (LQH4N:220
μ
H)
(a)Output Current - Output Voltage
(b)Output Current - Efficiency
1.95
1.97
1.99
2.01
2.03
2.05
0.01
0.1
1.
10.
100.
Output Current
I
OUT
(mA)
Output Voltage
V
OUT
(V)
VIN=0.9V
VIN=1.0V
VIN=1.2V
VIN=1.6V
Efficiency
η
(%)
50
60
70
80
90
100
0.01
0.1
1.
10.
100.
Output Current
I
OUT
(mA)
VIN=0.9V
VIN=1.0V
VIN=1.2V
VIN=1.6V
Reference Data 1
S-8323
(built-in switching
transistor
LQH3
2V
3V
5V
LQH4
CD5
CD10
CD5
S-8327
(with an external
switching transistor)
10mA
100mA
1A
Figure 38 Inductors for output current
Output
voltage
Output current
相關(guān)PDF資料
PDF描述
S-8324 CMOS PWM/PFM-Control Step-Up Switching Regulator(CMOS PWM/PFM控制步升開關(guān)穩(wěn)壓器)
S-8328 CMOS PWM/PFM-Control Step-Up Switching Regulator(CMOS PWM/PFM控制步升開關(guān)穩(wěn)壓器)
S-8330 Step-Up Switching Regulator For LCD Bias Supply(用于LCD偏置電源的步升開關(guān)穩(wěn)壓器)
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S-8340 PWM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM控制,高頻步升開關(guān)穩(wěn)壓器-控制器)
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