S-8533A15AFT-TB-G Seiko Instruments, S-8533A15AFT-TB-G Datasheet - Page 7

• Manufacturer Part Number: S-8533A15AFT-TB-G
• Description: IC CTRL PWM SYNC SD 1.5V 8-TSSOP
• Manufacturer: Seiko Instruments
• Type: Step-Down (Buck)r

Specifications of S-8533A15AFT-TB-G

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.5V
• Frequency - Switching: 300kHz
• Voltage - Input: 2.7 ~ 16 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP
• Power - Output: 300mW
• Output Voltage: + 1.3 V to + 6 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

External parts :
*1. V
*2. In case V
*3. External parts
Output voltage
Input voltage
Current consumption 1
Current consumption
during power-off
PDRV pin output current
NDRV pin output current
Line regulation
Load regulation
Output voltage
temperature coefficient
Oscillation frequency
Maximum duty ratio
VOUT pin input current
ON/
voltage
ON/
leakage current
Soft-start time
Efficiency
Rev.3.0
STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
Electrical Characteristics
V
OUT(S)
OUT(E)
OFF
OFF
Parameter
: Nominal output voltage value
: Actual output voltage value : V
pin input
pin input
OUT(S)
_00
V
*1
IN
≤ 2.2 V, V
= V
OUT
Coil :
Diode :
Capacitor :
Transistor :
Base resistance : 1 kΩ
Base capacitor :
C
C
SS
NDRV
Coil :
Capacitor :
P-channel power MOS FET :
N-channel power MOS FET :
C
× 1.5 V, I
V
I
f
EFFI
IN
V
I
I
I
I
I
ΔV
ΔV
MaxDuty
I
V
V
I
I
t
SS
SS1
SSS
PDRVH
PDRVL
NDRVH
NDRVL
Δ
OSC
VOUT
SH
SL
SS
Symbol
:
OUT(E)
IN
SH
SL
Ta V
Δ
= 2.7 to 16 V
OUT1
OUT2
:
:
V
•
OUT
OUT
OUT
No external parts, V
(Duty ratio 100%)
V
No external parts, V
V
No external parts, V
V
No external parts, V
V
No external parts, V
V
V
I
Ta = −40 to +85°C
Measure waveform at the PDRV pin.
The same condition as l
the PDRV pin.
V
The same condition as I
V
The same condition as I
V
The same condition as I
The same condition as I
The same condition as I
PDRV pin oscillates.
*3, I
OUT
ON/OFF
IN
IN
IN
IN
IN
OUT
IN
IN
IN
= V
= 9.0 V, V
= 9.0 V, V
= 9.0 V, V
= 9.0 V, V
= V
= 2.7 V and check that PDRV pin = "L".
= 16.0 V and check that PDRV pin = "H".
Sumida Corporation
Matsushita Electric Industrial Co., Ltd. MA737 (Schottky diode)
Nichicon Corporation
Toshiba Corporation
2200 pF
4700 pF
1000 pF
OUT
= 10 μA to I
= V
= 5.0 V
OUT
OUT(S)
= 0 V
= 200 to 400 mA, S-8533A33A
OUT
/50 A (In case V
× 1.5 V, I
× 1.2 to 16 V
PDRV
PDRV
NDRV
NDRV
OUT
Seiko Instruments Inc.
= V
= 0.2 V
= V
= 0.2 V
Conditions
Sumida Corporation
Nichicon Corporation
Sanyo Electric Co., Ltd. CPH6303 (V
Sanyo Electric Co., Ltd. CPH6403 (V
4700 pF
(see above) × 1.25
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
= V
= V
− 0.2 V
= V
= V
− 0.2 V
= V
−
−
SS1
SS1
SS1
SS1
SS1
SS1
Table 3
= V
*2
. Measure waveform at
.
.
. V
. V
. Measure time until
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT
OUT
S-8533A125,
S-8533A13A to 29A
S-8533A30A to 60A
ON/OFF
ON/OFF
/50 A (If V
≤ 1.8 V, V
× 0.95
× 1.5,
× 0.95,
× 1.5,
× 0.95,
= V
= 0 V
IN
OUT
CD105 (22 μH)
F93 (16 V, 47 μF, tantalum) × 2
2SA1213
IN
CDRH104R (22 μH)
F93 (16 V, 47 μF, tantalum) × 2
≤ 1.8 V, V
= 2.7 V) (Ta = 25°C unless otherwise specified)
V
× 0.98
Min.
0.01
−0.1
−0.1
−12
−10
255
100
OUT(S)
2.7
1.8
5.0
19
35
−
−
−
−
−
−
−
−
IN
GS
GS
= 2.7 V.)
= 10 V max.)
= 10 V max.)
× 1.0%
× 1.0%
× 0.5%
V
V
V
V
±100
Typ.
−18
−14
300
OUT(S)
OUT(E)
OUT(E)
OUT(E)
0.1
8.0
30
27
50
94
−
−
−
−
−
−
−
× 2.5%
× 2.0%
× 1.0%
V
V
V
V
× 1.02
Max.
16.0
16.0
345
OUT(S)
OUT(E)
OUT(E)
OUT(E)
1.0
4.0
0.3
0.1
0.1
70
−
−
−
−
−
−
−
−
S-8533 Series
ppm/°C
Unit
kHz
mA
mA
mA
mA
ms
μA
μA
μA
μA
μA
%
%
V
V
V
V
V
V
V
Measurement
Circuit
2
1
1
1
1
1
1
1
2
2
2
−
2
1
1
1
1
1
1
1
3
7