s-8521b51mc-aukt2g Seiko Instruments Inc., s-8521b51mc-aukt2g Datasheet - Page 34

• Manufacturer Part Number: s-8521b51mc-aukt2g
• Description: Step-down, Pwm Control Or Pwm / Pfm Switchable Switching Regulator Controller
• Manufacturer: Seiko Instruments Inc.

34
Inductor
Diode
Output capacity
External
transistor
(Bipolar PNP)
External
transistor
(MOS FET)
STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLOR
S-8520 / 8521 Series
Component
S-8520D30MC
S-8521D30MC
S-8520D50MC
S-8521D50MC
S-8520B30MC
S-8521B30MC
S-8520F33MC
S-8521F33MC
S-8520B50MC
S-8521B50MC
S-8520F50MC
S-8521F50MC
Product name
Product name Manufacturer name “L” value DC resistance
2SA1213Y
CDH113
IRF7606
TM6201
MA720
MA737
CD105
CD54
voltage
D62F
Output
F93
3.0 V
3.3 V
5.0 V
TE
CD105 / 47 µH
CD105 / 47 µH
Sumida Corporation
Matsushita Electric
Industrial Co., Ltd.
Nichicon Corporation
Matsushita Electric
Industrial Co., Ltd.
Toshiba Corporation
Toyota Industries
Corporation
International Rectifier
Corporation
Toko Ink.
CDH113 / 22
CDH113 / 22
Inductor
Table 12 External parts for Ripple data
µH
µH
Table 13 Performance Data
2SA1213Y
2SA1213Y
Transistor
IRF7606
IRF7606
Seiko Instruments Inc.
Forward current 500 mA (at V
Forward current 1.5 A (at V
V
SOT-89-3 package
V
C
SOT-89-3 package
V
C
Micro 8 package
47 µH
22 µH
CEO
GS
GS
iss
iss
320 pF typ., R
470 pF typ., R
12 V max., I
20 V max., I
50 V max., I
680 Ω
680 Ω
R




b
0.37 Ω
0.17 Ω
0.09 Ω
0.25 Ω
D
D
C
−2 A max., V
−2.4 A max., V
on
on
−2 A max., h
0.25 Ω max. (V
0.15 Ω max. (V
2200 pF
2200 pF
C




b
F
Maximum
allowable
=0.5 V)
current
0.72 A
1.28 A
1.44 A
0.70 A
F


=0.55 V)
th
FE
−0.7 V min.,
th
MA720
MA737
MA720
MA737
120 to 240,
Diode
−1 V min.,
GS
GS
=−4.5 V),
=−4.5 V),
Diameter
10.0 mm
11.0 mm
5.8 mm
6.0 mm
capacitor
47 µF×2
22 µF×2
47 µF×2
22 µF×2
Output
22 µF
22 µF
Rev.8.3
4.5 mm
5.4 mm
3.7 mm
2.7 mm
Height
_00