PS0020 Datasheet, PDF (4/10 Pages) Power IC Ltd. – Low Iq Synchronous Boost Converter with Output Disconnect

PS0020
ABSOLUTE MAXIMUM RATINGS
Symbol
V_IN
V_SW
V_SHUT
V_FB
V_OUT
I_SW, I_OUT, I_GND
T_STG
R_θJA
T_{A, MAX}
T_L
ESD
Parameter
DC Supply Voltage at Pin 1
SW Voltage – DC
SW Voltage – Pulsed (<100nS)
SHUTB Voltage
FB Voltage
Output Voltage
Switch Current
Storage Temperature Range
Thermal Resistance, Junction-To-Air
Operating Temperature Range (Note 4)
Lead Temperature (Soldering, 10sec)
ESD Capability, HBM model
Value
-0.3V to 6V
-0.3V to 6V
-0.3V to 7V
-0.3V to 6V
-0.3V to 6V
-0.3V to 6V
0 to 1A
-65 to +125
N/A
-40 to +85
260
3.0
Unit
V
V
V
V
V
V
A
°c
°c/w
°c
°c
kV
ELECTRICAL CHARACTERISTICS
T_A = 25°C. V_IN = 1.5V, V_OUT = 3.3V, V_SHUTB = 1.5V (unless otherwise noted).
Parameter
Conditions
Min Typ Max Unit
Min start-up Voltage
Min Operating Voltage
Maximum Input Operating Voltage
Output Voltage Adjust Range
Feedback Voltage
Feedback Input Current
Load Regulation
Quiescent Current (No-switching)
Quiescent Current (Shut-down)
NMOS Switch On Resistance
PMOS Switch On Resistance
NMOS Current Limit
PMOS Turn-Off Current
Current Limit Delay to Output
Minimum Off-Time
Maximum On-Time
Maximum On-Time to Minimum Off-
Time Ratio
No load
Note 1
Note 2
Note 3
T_A = -40°C to 85°C (Note 4)
V_FB = 1.2V
I_LOAD = 1mA to 20mA
V_FB = 1.2V, Measured at VOUT
V_SHUTB = 0V, V_OUT = 0V, Including
Switch Leakage
V_OUT = 3.3V
V_OUT = 3.3V
V_IN = 0.5V
V_FB = 0.95V, V_IN = 0.5V,
T_A = -40°C to 85°C (Note 4)
0.8 0.95
V
0.5
V
4.4
V
2.5
5.0
V
0.95 1.0 1.05
1
nA
2.2
%
35
μA
0.01
1
μA
0.45
Ω
0.6
Ω
300
mA
0
mA
100
nS
1.2
μS
5
μS
4
Version 1.1
www.picsemi.com
4
July 6, 2007
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