S-8550AA-M5T1G Seiko Instruments, S-8550AA-M5T1G Datasheet - Page 17

• Manufacturer Part Number: S-8550AA-M5T1G
• Description: IC, SYNC STEP-DOWN REGULATOR, SOT-23-5
• Manufacturer: Seiko Instruments

Specifications of S-8550AA-M5T1G

• Primary Input Voltage: 5.5V
• No. Of Outputs: 1
• Output Voltage: 4V
• Output Current: 600mA
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +85°C
• Operating Temperature Min: 85°C
• Input Voltage: 5.5 V
• Duty Cycle (max): 100 %
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-23-5
• Minimum Operating Temperature: - 40 C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECTIFICATION, PWM CONTROL SWITCHING REGULATORS
Rev.4.0
2. Example of Major Temperature Characteristics (Ta = −40 to 85°C)
1. 9 FB voltage (V
2. 1 Current consumption 1 (I
2. 3 Oscillation frequency (f
2. 5 Power MOS FET on-resistance (R
1.32
1.28
1.24
1.20
1.16
1.12
1.08
612
608
604
600
596
592
588
500
400
300
200
100
0.8
0.7
0.6
0.5
0.4
0.3
0.2
_00
0
−40
−40
−40
2.0
Pch
V
V
V
−25
−25
−25
IN
IN
IN
2.5
= 5.5 V
= 3.6 V
= 2.0 V
FB
3.0
) vs. Input voltage (V
0
0
0
V
IN
3.5
Ta [°C]
osc
Ta [°C]
Ta [°C]
V
= 5.5 V
V
IN
SS1
Nch
) vs. Temperature (Ta)
25
25
25
IN
V
V
V
[V]
4.0
) vs. Temperature (Ta)
= 3.6 V
IN
IN
IN
FET
V
= 5.5 V
= 3.6 V
= 2.0 V
) vs. Temperature (Ta)
IN
V
V
4.5
IN
= 2.0 V
50
V
50
50
IN
= 5.5 V
IN
= 3.6 V
= 2.0 V
5.0
Seiko Instruments Inc.
IN
)
75 85
75 85
75 85
5.5
2. 2 Current consumption during shutdown (I
2. 4 Soft-start time (t
2. 6 Power MOS FET leakage current (I
−0.1
−0.2
−0.3
−0.4
−0.5
1.0
0.8
0.6
0.4
0.2
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.5
0.4
0.3
0.2
0.1
0
0
−40
−40
−40
−25
−25
−25
SS
0
) vs. Temperature (Ta)
0
0
Ta [°C]
Ta [°C]
Ta [°C]
S-8550/8551 Series
25
25
25
LSW
Nch
Pch
V
V
) vs. Temperature (Ta)
SSS
IN
V
IN
V
) vs. Temperature (Ta)
V
IN
V
= 5.5 V
IN
= 5.5 V
50
50
50
V
IN
V
IN
= 2.0 V
= 5.5 V
IN
IN
= 3.6 V
= 3.6 V
= 5.5 V
= 2.0 V
75 85
75 85
75 85
17