參數資料
型號: S-8328J25MC-F2F-T2
元件分類: 穩(wěn)壓器
英文描述: 0.3 A SWITCHING CONTROLLER, 287.5 kHz SWITCHING FREQ-MAX, PDSO5
封裝: PLASTIC, SOT-23, 5 PIN
文件頁數: 20/65頁
文件大?。?/td> 759K
代理商: S-8328J25MC-F2F-T2
SMALL PACKAGE PWM/PFM CONTROL STEP-UP SWITCHING REGULATOR
Rev. 7.2-10
S-8324/8328 Series
Seiko Instruments Inc.
27
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).
VIN=3.3V
VIN=3.6V
VIN=4.8V
VIN=7.2V
VIN=3.3V
VIN=3.6V
VIN=4.8V
VIN=7.2V
(a) Output Current - Output Voltage
(b) Output Current - Efficiency
2.95
2.97
2.99
3.01
3.03
3.05
0.01
0.1
1.
10.
100.
1000.
Output Current IOUT(mA)
Output
Voltage
Vout (V)
50
60
70
80
90
100
0.01
0.1
1.
10.
100.
1000.
Efficiency
η (%)
Output Current IOUT(mA)
Figure 24
t (10
sec/div)
Output
Voltage
(10mV/div)
0V
Point A
Voltage
(1V/div)
3V
VIN=3.6V IOUT=300mA
(c) Ripple Characteristics
Figure 25
VDD
S-8324D30
-
+
-
+
VOUT
VSS
COUT
RE
Rb
CONT
CIN
VIN
3V
2SA1213/TOSHIBA
5.1k
750
A
MA720
SD
CD54/100
H
F93
22
F
L
Figure 23
DISCONTINUED
PRODUCT
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