S-8550AA-M5T1G Seiko Instruments, S-8550AA-M5T1G Datasheet - Page 6

• 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

*1. V
6
Operating input voltage V
Output voltage range
FB voltage
FB voltage temperature
coefficient
FB pin input current
Current consumption
during shutdown
Current consumption 1
Power MOS FET
on-resistance
Power MOS FET
leakage current
Limit current
Oscillation frequency
Soft-start time
High level input voltage V
Low level input voltage
High level input current I
Low level input current
UVLO detection voltage
STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECTIFICATION, PWM CONTROL SWITCHING REGULATORS
S-8550/8551 Series
Electrical Characteristics
External Parts When Measuring Electrical Characteristics
V
For details, refer to “
Inductor
Input capacitor
Output capacitor
Output voltage set resistor 1
Output voltage set resistor 2
Phase compensation capacitor C
OUT(S)
OUT(S)
Parameter
is the output voltage set value, and V
can be set depending on the ratio between the V
Element Name
*1
V
V
I
I
I
R
R
I
I
f
t
V
I
V
Symbol
FB
SSS
SS1
LSW
LIM
osc
SS
SH
SL
ΔV
External Parts Selection”
ΔTa
IN
OUT
FB
SH
SL
UVLO
PFET
NFET
FB
V
V
V
V
V
V
Ta = −40°C to +85°C
V
V
V
f
V
I
I
V
V
Time required to reach 90% of
V
(Unless otherwise specified: V
osc
CONT
CONT
IN
IN
IN
IN
L
C
C
R
R
Symbol
IN
IN
IN
IN
ON/OFF
FB
IN
ON/OFF
OUT(S)
IN
OUT
FB1
FB2
FB
= 2.0 V to 5.5 V, ON/OFF pin
= 2.0 V to 5.5 V, ON/OFF pin
= 2.0 V to 5.5 V, ON/OFF pin
= 2.0 V to 5.5 V, ON/OFF pin
= V
= V
= 2.0 V to 5.5 V, FB pin
= 2.0 V to 5.5 V,
= 1.2 MHz, no external parts,
= 2.0 V to 5.5 V,
= V
= 100 mA
= −100 mA
Table 5 Electrical Characteristics
OUT(S)
OUT(S)
FB(S)
= 0 V
= 0 V, V
Conditions
Constant
× 1.1 V
OUT
Table 6 External Parts
3.3 μH
+ 0.4 V to 5.5 V
+ 0.4 V to 5.5 V
4.7 μF
68 pF
Seiko Instruments Inc.
36 kΩ
18 kΩ
10 μF
⎯
⎯
⎯
⎯
CONT
is the typ. value of the actual output voltage.
.
= 0
Murata Manufacturing Co., Ltd.
FB
or
value and output voltage set resistors (R
3.6 V
IN
Taiyo Yuden Co., Ltd.
= 3.6 V, V
TDK Corporation
TDK Corporation
Rohm Co., Ltd.
Rohm Co., Ltd.
Manufacturer
0.588
Min.
−0.1
1.02
−0.1
−0.1
800
2.0
1.1
0.7
0.9
1.4
⎯
⎯
⎯
⎯
⎯
⎯
⎯
OUT
= 1.8 V (the conditions in Table 6), Ta = +25°C)
±0.01
±100
1000
Typ.
200
0.6
0.4
0.3
1.2
1.0
1.6
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
0.612
NR4018T3R3M
1200
C3216X7R1E475K
C3216X7R1C106K
MCR03 Series 3602
MCR03 Series 1802
GRM1882C1H680J
Max.
+0.1
±0.5
1.38
1.78
400
5.5
4.0
1.0
0.6
0.5
1.3
0.3
0.1
0.1
⎯
⎯
Part Number
ppm/°C
MHz
Unit
FB1
mA
ms
μA
μA
μA
μA
μA
μA
Ω
V
V
V
V
V
V
, R
Rev.4.0
FB2
).
Circuit
Test
2
2
2
2
2
1
1
1
1
1
1
2
2
2
1
1
2
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