S-8550AA-M5T1X Datasheet, PDF (22/31 Pages) Seiko Instruments Inc – RECTIFICATION, PWM CONTROL SWITCHING REGULATORS

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECTIFICATION, PWM CONTROL SWITCHING REGULATORS
S-8550 Series
Rev.5.0_01
3. 2 VOUT = 1.8 V (RFB1 = 36 kΩ, RFB2 = 18 kΩ)
(1) VIN = 3.6 V
50
40
30
20
10
0
0
1
10
100
IOUT [mA]
1000
3. 3 VOUT = 3.3 V (RFB1 = 36 kΩ, RFB2 = 8 kΩ)
(1) VIN = 3.6 V
50
40
30
20
10
0
0
1
10
100
IOUT [mA]
1000
3. 4 VOUT = 4.0 V (RFB1 = 51 kΩ, RFB2 = 9 kΩ)
(1) VIN = 5.5 V
50
40
30
20
10
0
0
1
10
100
IOUT [mA]
1000
(2) VIN = 5.5 V
50
40
30
20
10
0
0
1
10
100
IOUT [mA]
1000
(2) VIN = 5.5 V
50
40
30
20
10
0
0
1
10
100
IOUT [mA]
1000
22