参数资料
型号: S-8521C30MC-BTP-T2G
元件分类: 稳压器
英文描述: 0.05 A SWITCHING CONTROLLER, 72 kHz SWITCHING FREQ-MAX, PDSO5
封装: LEAD FREE, SOT-23, 5 PIN
文件页数: 28/44页
文件大小: 511K
代理商: S-8521C30MC-BTP-T2G
STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8520/8521 Series
Rev.9.0_00
Seiko Instruments Inc.
34
Table 12
External parts for Ripple data
Product name
Output voltage
Inductor
Transistor
Rb
Cb
Diode
Output capacitor
S-8520D30MC
S-8521D30MC
47
μF × 2
S-8520B30MC
S-8521B30MC
3.0 V
CD105 / 47
μH
2SA1213
680
Ω
2200 pF
MA720
22
μF × 2
S-8520F33MC
S-8521F33MC
3.3 V
CDH113 / 22
μH
IRF7606
MA737
22
μF
S-8520D50MC
S-8521D50MC
47
μF × 2
S-8520B50MC
S-8521B50MC
CD105 / 47
μH
2SA1213
680
Ω
2200 pF
MA720
22
μF × 2
S-8520F50MC
S-8521F50MC
5.0 V
CDH113 / 22
μH
IRF7606
MA737
22
μF
Table 13
Performance Data
Component
Product name
Manufacturer name
“L” value DC resistance
Maximum
allowable
current
Diameter
Height
CD54
0.37
Ω
0.72 A
5.8 mm
4.5 mm
CD105
47
μH
0.17
Ω
1.28 A
10.0 mm
5.4 mm
CDH113
Sumida Corporation
0.09
Ω
1.44 A
11.0 mm
3.7 mm
Inductor
D62F
Toko Ink.
22
μH
0.25
Ω
0.70 A
6.0 mm
2.7 mm
MA720
Forward current 500 mA (at VF = 0.55 V)
Diode
MA737
Matsushita Electric
Industrial Co., Ltd.
Forward current 1.5 A (at VF = 0.5 V)
F93
Nichicon Corporation
Output capacity
TE
Matsushita Electric
Industrial Co., Ltd.
External transistor
(Bipolar PNP)
2SA1213
Toshiba Corporation
VCEO: 50 V max., IC: 2 A max., hFE: 120 to 240,
SOT-89-3 package
TM6201
Toyota Industries
Corporation
VGS: 12 V max., ID: 2 A max., Vth: -0.7 V min.,
Ciss: 320 pF typ., Ron: 0.25 Ω max. (VGS = 4.5 V),
SOT-89-3 package
External transistor
(MOS FET)
IRF7606
International Rectifier
Corporation
VGS: 20 V max., ID: 2.4 A max., Vth: 1 V min.,
Ciss: 470 pF typ., Ron: 0.15 Ω max. (VGS = 4.5 V),
Micro 8 package
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