T6309B Taiwan Memory Technology, T6309B Datasheet - Page 3

• Manufacturer Part Number: T6309B
• Description: Micropower Step-up DC/DC Converter
• Manufacturer: Taiwan Memory Technology

www.DataSheet4U.com
tm
Absolute Maximum Ratings
Supply Voltage …………………………………………………………. -0.3V to 5V
SW Pin Switch Voltage ………………………………………………… -0.3V to 20V
OVP Pin Overvoltage Protection ……………………………………….. -0.3V to 20V
CE Pin Voltage …………………………………………………………. -0.3V to (VDD+0.3V)
SW Pin Switch Current ………………………………………………… 250mA
Continuous power dissipation, PD @ T
Package Thermal Resistance SOT-23-6, θJA ………………………….. 150°C /W
Operating Juction Temperature ………………………………………… 150°C
Operating temperature range …………………………………………… -40°C to +85°C
Storage temperature range, TSTG ……………………………………… -55°C to +150°C
Lead temperature (soldering, 10sec) …………………………………… 260°C
ESD Human Body Mode ………………………………………………… 5KV
Electrical Characteristics
(
TM Technology Inc. reserves the right
to change products or specifications without notice.
Symbol
R
UVLO Under Voltage Lockout
V
V
V
V
V
T
I
I
I
V
I
DS(on)
I
IN
DD2
OFF
IHCE
LIM
ILCE
ICE
IFB
OFF
OVP
REF
IN
=+3V, TA = 25°C,
Input Voltage
Reference Voltage
Switch Minimum Off Time
Voervoltage Threshold
Switch Off Current (V
Shutdown Current (V
CE Input Voltage Hight
CE Input Voltage Low
CE Input Bias Current
FB Input Bias Current
Switch ON Resistance
Current Limit
CH
TE
Description
unless otherwise noted )
IN
OUT
)
)
T6309B-A
T6309B-B
FB=0.5V
CE=0V
A
= 25°C SOT-23-6 …………. 0.35W
P. 3
Conditions
Publication Date: SEP. 2005
Min. Typ. Max Unit
1.55 1.75 1.95
1.15 1.19 1.23
300
340
2.5
1.5
400
250
400
0.1
0.6
14
60
T6309B
460
550
0.4
0.1
0.1
5
1
Revision: A
ohm
mV
mA
uA
uA
uA
uA
ns
V
V
V
V
V
V