參數(shù)資料
型號: S-8328B50MA-EXE-T2
元件分類: 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
文件頁數(shù): 25/65頁
文件大?。?/td> 759K
代理商: S-8328B50MA-EXE-T2
SMALL PACKAGE PWM/PFM CONTROL STEP-UP SWITCHING REGULATOR
Rev. 7.2-10
S-8324/8328 Series
Seiko Instruments Inc.
31
9. Power Supply for CCD
The follows are a circuit example and its characteristics for CCD power supply (+15, -5.5V/10mA) powered by 4 alkaline-
manganese batteries (3.6-6.0V), used for digital still cameras and others.
S-8328E
Vss
-
+
-
+
-
+
VIN
Co1
Co2
/F93
10u
CEE93
10
30
11
MA720
100u
100uH
V
DD
V
OUT
EXT
CIN
NDS335N
k
RA
270
RB
140
Cc
30p
/F93
VOUT+
+15V
VOUT -
-5.5V
TR1
Figure 34
(a) Output Current - Output Voltage (positive output)
(b) Output Current - Output Voltage (negative output)
14
14.4
14.8
15.2
15.6
16
0.1
1
10
100
VIN=3.0 V
VIN=3.6 V
VIN=6.0 V
Output
Voltage
VOUT (V)
Output Current IOUT (mA)
-6.5
-6.1
-5.7
-5.3
-4.9
-4.5
0.1
1
10
100
VIN=3.0 V
VIN=3.6 V
VIN=6.0 V
Output
Voltage
VOUT
(V)
Output Current IOUT (mA)
(c) Output Current - Efficiency
0
20
40
60
80
100
0.1
1
10
100
Output Current IOUT (mA)
Efficiency
η (%)
VIN=3.0V
VIN=3.6V
VIN=6.0V
Figure 35
DISCONTINUED
PRODUCT
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