S-8521A25MC-AXK-T2 Seiko Instruments, S-8521A25MC-AXK-T2 Datasheet - Page 34

• Manufacturer Part Number: S-8521A25MC-AXK-T2
• Description: DC/DC Switching Regulators 2.5V 60uA Step-Down
• Manufacturer: Seiko Instruments

Specifications of S-8521A25MC-AXK-T2

• Output Voltage: 2.5 V
• Output Current: 120 mA
• Input Voltage: 2.5 V to 10 V
• Duty Cycle (max): 100 %
• Switching Frequency: 180 KHz
• Mounting Style: SMD/SMT
• Package / Case: SOT-23-5
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

34
S-8520D30MC
S-8521D30MC
S-8520B30MC
S-8521B30MC
S-8520F33MC
S-8521F33MC
S-8520D50MC
S-8521D50MC
S-8520B50MC
S-8521B50MC
S-8520F50MC
S-8521F50MC
Inductor
Diode
Output capacity
External transistor
(Bipolar PNP)
External transistor
(MOS FET)
STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8520/8521 Series
Product name
Component
Output voltage
Product name
3.0 V
3.3 V
5.0 V
2SA1213
CDH113
IRF7606
TM6201
CD105
MA720
MA737
CD54
D62F
F93
TE
CDH113 / 22 μH
CDH113 / 22 μH
CD105 / 47 μH
CD105 / 47 μH
Sumida Corporation
Toko Ink.
Matsushita Electric
Industrial Co., Ltd.
Nichicon Corporation
Matsushita Electric
Industrial Co., Ltd.
Toshiba Corporation
Toyota Industries
Corporation
International Rectifier
Corporation
Manufacturer name
Inductor
Table 12 External parts for Ripple data
Table 13 Performance Data
Seiko Instruments Inc.
Transistor
2SA1213
2SA1213
IRF7606
IRF7606
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
“L” value DC resistance
47 μH
22 μH
CEO
GS
iss
GS
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.,
MA720
MA737
MA720
MA737
th
Diode
: 120 to 240,
: −1 V min.,
GS
GS
= −4.5 V),
= −4.5 V),
Diameter
10.0 mm
11.0 mm
5.8 mm
6.0 mm
Output capacitor
Rev.9.0
47 μF × 2
22 μF × 2
47 μF × 2
22 μF × 2
22 μF
22 μF
4.5 mm
5.4 mm
3.7 mm
2.7 mm
Height
_00