參數(shù)資料
型號(hào): S-8328B50MA-EXE-T2
元件分類(lèi): 穩(wěn)壓器
英文描述: 0.3 A SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO3
封裝: PLASTIC, SOT-23, 3 PIN
文件頁(yè)數(shù): 24/65頁(yè)
文件大?。?/td> 759K
代理商: S-8328B50MA-EXE-T2
SMALL PACKAGE PWM/PFM CONTROL STEP-UP SWITCHING REGULATOR
S-8324/8328 Series
Rev. 7.2_10
30
Seiko Instruments Inc.
27
28
29
30
31
32
33
0.01
0.1
1.
10.
100.
VIN=2.7V
VIN=3.0V
VIN=4.5V
VIN=5.0V
0
20
40
60
80
100
0.01
0.1
1.
10.
100.
VIN=2.7V
VIN=3.0V
VIN=4.5V
VIN=5.0V
(a) Output Current - Output Voltage
(b) Output Current - Efficiency
Output Current IOUT(mA)
Output
Voltage
Vout (V)
Efficiency
η (%)
Output Current IOUT(mA)
Figure 31
8. Flash Memory Power Supply
The following are a circuit example and its characteristics for a 5 V Flash Memory, 16 Mbit (5V/120mA) on a single lithium battery
(2.4 V to 4.4 V).
4.90
4.94
4.98
5.02
5.06
5.10
0.01
0.1
1.
10.
100.
1000.
VIN=2.0V
VIN=2.4V
VIN=3.6V
VIN=4.4V
0
20
40
60
80
100
0.01
0.1
1.
10.
100.
1000.
VIN=2.0V
VIN=2.4V
VIN=3.6V
VIN=4.4V
(a) Output Current - Output Voltage
(b) Output Current - Efficiency
Output Current IOUT(mA)
Output
Voltage
Vout (V)
Efficiency
η (%)
Output Current IOUT(mA)
Figure 33
S-8328B50
-
+
-
+
VOUT
47
F
EXT
CIN
VIN
5V
F93
COUT
CD54/47
H
1 k
0.0022
F
Rb
ON/OFF
Control
Signal
VSS
MA720
SD
L
2SD1628G
Cb
Figure 32
DISCONTINUED
PRODUCT
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