S-8533 Seiko Instruments, S-8533 Datasheet - Page 15

• Manufacturer Part Number: S-8533
• Description: SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
• Manufacturer: Seiko Instruments

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1. Examples of Major Characteristics
Rev.2.3
STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
(1) Current Consumption 1 (I
(3) PDRV Pin Output Current “H” (I
(5) NDRV Pin Output Current “H” (I
(7) ON/OFF Pin Input Voltage “H” (V
Characteristics (Typical Data)
I
I
(mA)
(mA)
PDRVH
NDRVH
(μA)
I
V
(V)
SS1
SH
Input Voltage (V
Input Voltage (V
Input Voltage (V
100
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
70
60
50
40
30
20
10
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0
2
2
2
2
_00
4
4
4
4
Ta = −40°C
6
6
6
6
Ta = −40°C
IN
IN
IN
)
)
)
Ta = 85°C
Ta = 25°C
Ta = −40°C
Ta = −40°C
8
8
8
8
V
V
V
V
IN
IN
IN
IN
SS1
(V)
(V)
(V)
(V)
) vs. Input Voltage (V
10
10
10
10
PDRVH
Ta = 85°C
Ta = 25°C
NDRVH
SH
12
12
12
) vs.
12
) vs.
) vs.
Ta = 25°C
Ta = 85°C
Ta = 85°C
Ta = 25°C
Seiko Instruments Inc.
14
14
14
14
16
16
16
16
IN
) (2) Oscillation Frequency (f
(4) PDRV Pin Output Current “L” (I
(6) NDRV Pin Output Current “L” (I
(8) ON/OFF Pin Input Voltage “L” (V
(kHz)
I
I
(mA)
(mA)
NDRVL
PDRVL
f
V
(V)
OSC
SL
Input Voltage (V
Input Voltage (V
120
100
Input Voltage (V
360
340
320
300
280
260
240
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
70
60
50
40
30
20
10
80
60
40
20
0
0
2
2
2
2
4
4
4
4
Ta = −40°C
Ta = −40°C
Ta = −40°C
6
6
6
6
IN
IN
IN
)
)
)
Ta = 85°C
8
8
8
8
V
V
V
V
OSC
IN
IN
IN
IN
(V)
(V)
(V)
(V)
) vs. Input Voltage (V
10
10
10
10
Ta = 25°C
PDRVL
NDRVL
Ta = 85°C
SL
Ta = −40°C
S-8533 Series
Ta = 85°C
) vs.
12
12
Ta = 25°C
Ta = 85°C
12
12
Ta = 25°C
Ta = 25°C
) vs.
) vs.
14
14
14
14
16
16
16
16
IN
)
15