S-8327 Seiko, S-8327 Datasheet - Page 4

• Manufacturer Part Number: S-8327
• Description: (S-8323 / S-8327) SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR
• Manufacturer: Seiko

Absolute Maximum Ratings
Pin Assignment
SOT-23-5
Top view




Note:
Pin No.
Pin No.
S-8323AXXMC, S-8327BXXMC
SOT-23-5
S-8323AXXMA, S-8323AXXUA, S-8323CXXMA
S-8327BXXMA, S-8327BXXUA
SOT-23-3, SOT-89-3
1
2
3
4
5
1
2
3
A protect circuit for static electricity is built into this IC chip.
However, prevent a charge of static electricity which exceeds the capacity of the protect circuit.
ON / OFF
Pin name
Pin name
VOUT pin voltage
ON/OFF pin voltage
CONT pin voltage
CONT pin current
EXT pin voltage
EXT pin current
Power dissipation
Operating temperature
Storage temperature
CONT
CONT
V
V
EXT
EXT
V
V
—
OUT
OUT
SS
SS
5
1
Parameter
SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR
2
GND pin
Output voltage pin and power
supply pin
External inductor connection
pin (for S-8323 Series)
External transistor connection
pin (for S-8327 Series)
Shutdown pin
“H”:
“L”:
Output voltage pin and power
supply pin
N.C. (Non Connection)
GND pin
External inductor connection
pin (for S-8323 Series)
External transistor connection
pin (for S-8327 Series)
normal operation
(stepping up operation)
stop stepping up
(whole circuit stop)
4
3
Functions
Functions
SOT-23-3
Top view
PD
SOT-23-5, SOT-23-3
SOT-89-3
Seiko Instruments Inc.
ON/OFF
Symbol
V
I
V
T
V
T
CONT
I
CONT
EXT
OPR
OUT
STG
EXT
1
Figure 2
2
3
( Unless otherwise specified: Ta=25 C)


Pin No.
S-8323DXXMC, S-8327EXXMC
SOT-23-5
V
1
2
3
4
5
ss
V
- 0.3 to V
SOT-89-3
Top view
ss
-40 to +125
-40 to +85
Ratings
- 0.3 to 11
Pin name
300
±50
500
150
11
11
CONT
V
EXT
V
V
—
OUT
DD
SS
OUT
+0.3
Power supply pin
N.C. (Non Connection)
GND pin
Output voltage pin
External inductor connection
pin (for S-8323 Series)
External transistor connection
pin (for S-8327 Series)
1
mW
2
Unit
mA
mA
V
V
V
V
C
C
S-8323/8327 Series
Functions
3
3