S-8550AA-M5T1G Seiko Instruments, S-8550AA-M5T1G Datasheet - Page 16

• 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

16
STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECTIFICATION, PWM CONTROL SWITCHING REGULATORS
S-8550/8551 Series
Characteristics (Typical Data)
1. Example of Major Power Supply Dependence Characteristics (Ta = 25°C)
1. 1 Current consumption 1 (I
1. 3 Oscillation frequency (f
1. 5 Power MOS FET on-resistance (R
1. 7 ON/OFF pin input voltage“H” (V
1.38
1.02
1.34
1.30
1.26
1.22
1.18
1.14
1.10
1.06
500
400
300
200
100
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.5
3.5
3.5
3.5
V
osc
V
V
V
Nch
Pch
SS1
IN
IN
IN
IN
) vs. Input voltage (V
[V]
[V]
[V]
[V]
) vs. Input voltage (V
4.0
4.0
4.0
SH
4.0
FET
) vs. Input voltage (V
) vs. Input voltage (V
4.5
4.5
4.5
4.5
5.0
5.0
5.0
5.0
Seiko Instruments Inc.
5.5
5.5
5.5
5.5
IN
IN
)
IN
)
)
IN
)
1. 2 Current consumption during shutdown (I
1. 4 Soft-start time (t
1. 6 Power MOS FET leakage current (I
1. 8 ON/OFF pin input voltage“L” (V
−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
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0
0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
SS
) vs. Input voltage (V
3.5
3.5
3.5
3.5
V
V
V
V
Nch
Pch
IN
IN
IN
SL
IN
) vs. Input voltage (V
[V]
[V]
[V]
[V]
LSW
4.0
4.0
4.0
4.0
SSS
) vs. Input voltage (V
) vs. Input voltage (V
4.5
4.5
4.5
4.5
Rev.4.0
5.0
5.0
5.0
5.0
IN
)
IN
5.5
5.5
5.5
5.5
)
_00
IN
IN
)
)