S-8340C30AFT-T2-G Seiko Instruments, S-8340C30AFT-T2-G Datasheet - Page 24
![IC REG SW 300KHZ 3.0V 8-TSSOP](/photos/6/58/65861/728-8-tssop_sml.jpg)
S-8340C30AFT-T2-G
Manufacturer Part Number
S-8340C30AFT-T2-G
Description
IC REG SW 300KHZ 3.0V 8-TSSOP
Manufacturer
Seiko Instruments
Type
Step-Up (Boost)r
Datasheet
1.S-8340A25AFT-T2-G.pdf
(55 pages)
Specifications of S-8340C30AFT-T2-G
Internal Switch(s)
No
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3V
Frequency - Switching
300kHz
Voltage - Input
0.9 ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-TSSOP
Power - Output
300mW
Output Voltage
3 V
Operating Temperature Range
- 40 C to + 85 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
24
STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8340/8341 Series
Standard Circuit
(1) Using MOS FET
Nch Power
MOS FET
V
IN
R
SENSE
Nch Power
MOS FET
V
L
IN
R
SENSE
L
SENSE
EXT
SENSE
Figure 15 Output Voltage External Setting Type
EXT
Figure 14 Output Voltage Fixed Output Type
120 mV
R
ON/OFF
C
S
S
Shutdown
circuit
120 mV
ON/OFF
R
C
S
PW M comparator
S
Shutdown
circuit
Triangular w ave
oscillation circuit
PW M comparator
PW M, PW M/PFM
switching control
circuit
Seiko Instruments Inc.
Triangular w ave
oscillation circuit
Soft-start
circuit
CSS
PW M , PW M/PFM
sw itching control
circuit
SD
Soft-start
circuit
CSS
SD
C
Single ground
SS
Phase
com pensation
circuit
Single ground
C
Error am plifier
V
CVREF
SS
REF
Phase
com pensation
circuit
Voltage/current
reference
=1.0 V
Error am plifier
V
CVREF
REF
Voltage/current
reference
IC internal pow er
supply
=1.0 V
VDD
C
C
VREF
IC internal power
supply
C
VDD
C
R
R
FB
VREF
2
1
VSS
C
FB
VO UT
VSS
R
R
FB1
FB2
C
V
+
L
OUT
C
+
V
L
OUT
Rev.4.0
_00