UM3433 Datasheet, PDF (2/9 Pages) Union Semiconductor, Inc. – 600mA, 600kHz Step-Up DC-DC Converter

UM3433
Pin Description
Pin Number
1
2
3
4
5
6
Symbol
SW
GND
NC(UM3433-3.3/3.0)
FB(UM3433-ADJ)
____________
SHDN
VOUT
VIN
Description
Switch pin for external inductance
Ground
Not Connect
Feedback input pin
Logic Controlled Shutdown Input
____________
SHDN=high, Normal operation mode
____________
SHDN=low, shutdown mode
Output Voltage
Input Voltage
Ordering Information
Part Number
UM3433-3.3
UM3433-3.0
UM3433-ADJ
Packaging Type
SOT23-6
SOT23-6
SOT23-6
Marking Code
UCR
UDR
UCS
Shipping Qty
3000pcs/7Inch
Tape & Reel
3000pcs/7Inch
Tape & Reel
3000pcs/7Inch
Tape & Reel
Absolute Maximum Ratings
Symbol
Parameter
Value
Unit
V_IN
V_IN Supply Voltage
-0.3 to +6V
V
V_SW
SW Voltage
-0.3 to +6V
V
V_FB
V__________
SHDN
V_OUT
FB Voltage
____________
SHDN Voltage
Output Voltage
-0.3 to +6V
V
-0.3 to +6V
V
-0.3 to +6V
V
T_OP
Operating Temperature Range
-40 to +85
°C
T_STG
Storage Temperature Range
-65 to +150
°C
T_L
Maximum Lead Temperature (Soldering , 10s)
+300
°C
Maximum ratings are those values beyond which device damage can occur. Maximum ratings
applied to the device are individual stress limit values (not normal operating conditions) and are
not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
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http://www.union-ic.com Rev.05 Dec.2009
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