SP3406 Datasheet, PDF (3/6 Pages) SYNC POWER Crop. – 600mA Buck Converter

SP3406
600mA Buck Converter
ABSOULTE MAXIMUM RATINGS (TA=25℃, unless otherwise specified.)
The following ratings designate persistent limits beyond which damage to the device may occur.
Symbol
VIN
I_OUT
T_J
T_STG
T_LEAD
Tope
RÓ¨JC
Parameter
DC Supply Voltage
SW Current, Source or Sink
Operating Junction Temperature Range
Storage Temperature Range
Lead Soldering Temperature for 5 sec.
Operation Temperature Range
Thermal Resistance Junction – Case (*)
Value
-0.3 ~ 6.5
1.3
125
-65 to 150
260
-40 ~ 85
250
Unit
V
A
℃
℃
℃
℃
℃/W
ELECTRICAL CHARACTERISTICS
(Unless otherwise stated, these specifications apply T_A=25°C; V IN=3.6V)
Symbol
Parameter
Conditions
Min.
SUPPLY
VIN
Supply Voltage
Input DC Bias Current
Active mode
IIN
Input DC Bias Current
Sleep Mode
Input DC Bias Current
Shutdown Mode
VRUN
RUN Threshold
IRUN
RUN Leakage Current
FEEDBACK
VFB Regulated Feedback Voltage
ΔVFB
Reference Voltage Line
Regulation
IFB
Feedback Current
VLOADREG
Output Voltage Load
Regulation
IPEAK
Peak Induct Current
SWITCHING REGULATOR
RPMOS *
RDS(on) for P MOSFET
RNMOS *
RDS(on) for N MOSFET
ILSW
SW Leakage Current
fOSC
Oscillator Frequency
VFB = 0.5V or VOUT =
90%, ILOAD = 0A
VFB = 0.62V or VOUT =
103%, ILOAD = 0A
VRUN <0V, VIN = 4.2V
VIN = 2.5V to 5.5V
VIN = 3V, VFB = 0.5V, Duty
Cycle < 35%
ISW = 100mA
ISW = 100mA
VRUN = 0V, VIN = 5V, VSW
= 0V or 5V
VFB = 0V or VOUT = 0V
VFB=0.6V or VOUT=100%
2.5
0.3
0.588
0.75
1.2
* Guaranteed by Design
Typ.
300
20
0.1
1
0.01
0.6
0.04
0.5
1
400
350
0.01
1.5
Max. Unit
6.5 V
400 uA
35 uA
1 uA
1.5 V
1 uA
0.612 V
0.4 %/V
30 nA
%
1.25 A
500 ^mΩ
450 ^mΩ
1 uA
1.8 MHz
2012/11/15 V. 1
Page 3