S-8521E18MC-BLD-T2 Seiko Instruments, S-8521E18MC-BLD-T2 Datasheet - Page 27

• Manufacturer Part Number: S-8521E18MC-BLD-T2
• Description: DC/DC Switching Regulators 1.8V Step-Dn PWM/PFM
• Manufacturer: Seiko Instruments

Specifications of S-8521E18MC-BLD-T2

• Output Voltage: 1.8 V
• Mounting Style: SMD/SMT
• Package / Case: SOT-23-5
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Rev.7.4
1. Efficiency Characteristics
(1)
(2)
(4)
Efficiency
(%)
Efficiency
(%)
Efficiency
(%)
S-8520B30MC
I
OUT
S-8520F33MC
I
S-8521D30MC
I
_10
OUT
OUT
PWM Control & PWM/PFM Control Step-Down Switching Regulator-Controllers
100
100
100
− Efficiency (CD105/47 µH,TM6201)
90
80
70
60
50
− efficiency (D62F/22 µH,TM6201)
− Efficiency (CD54/47 µH,TM6201)
90
80
70
60
50
90
80
70
60
50
0.01
0.01
0.01
V
V
V
0.1
IN
IN
IN
0.1
0.1
=9 V
=6 V
=4 V
1
1
1
I
I
I
OUT
OUT
OUT
(mA)
(mA)
(mA)
10
10
10
Seiko Instruments Inc.
100
V
V
100
V
V
100
IN
IN
IN
IN
=3.6 V
=9.0 V
=3.6 V
=9.0 V
1000
1000
1000
(3)
(5)
Efficiency
(%)
Efficiency
(%)
S-8520F33MC
I
S-8521D30MC
I
OUT
OUT
100
100
− Efficiency (CDH113/22 µH,IRF7606)
− Efficiency (CD54/47 µH,IRF7606)
90
80
70
60
50
90
80
70
60
50
0.01
0.01
V
V
V
V
IN
IN
IN
IN
0.1
0.1
=14 V
=9 V
=6 V
=4 V
1
1
I
OUT
I
OUT
(mA)
(mA)
10
S-8520/8521 Series
10
100
100
V
V
IN
IN
=3.6 V
=9.0 V
1000
1000
27