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LTC3525-3_15 Datasheet, PDF (3/16 Pages) Linear Technology – 400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect
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LTC3525-3/
LTC3525-3.3/LTC3525-5
Electrical characteristics (LTC3525-3)
The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at
TA = 25°C. VIN = 1.2V, VSHDN = 1.2V, VOUT = 3V unless otherwise noted. (Note 2)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Input Start-Up Voltage
0.85
1
V
Output Voltage
(Note 6)
l 2.91 3.00 3.09
V
Quiescent Current, VOUT
Quiescent Current, VIN
SHDN = VIN (Note 4)
SHDN = VIN (Note 4)
7
15
µA
0.5
3
µA
Quiescent Current, VIN – Shutdown
SHDN = 0V, VOUT = 0V
Not Including Switch Leakage
0.1
1
µA
NMOS Switch Leakage Current
VIN = VOUT = VSW = 5V, SHDN = 0V
0.1
1
µA
PMOS Switch Leakage Current
NMOS Switch On-Resistance
VIN = VSW = 5V, VOUT = 0V, SHDN = 0V
(Note 3)
0.1
3
µA
0.6
Ω
PMOS Switch On-Resistance
(Note 3)
0.9
Ω
Peak Current Limit
0.4
0.45
A
SHDN Threshold Voltage
0.4
0.6
1
V
SHDN Input Current
VSHDN = VIN or VOUT
0.01
1
µA
Electrical characteristics (LTC3525-3.3)
The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at
TA = 25°C. VIN = 1.2V, VSHDN = 1.2V, VOUT = 3.3V unless otherwise noted. (Note 2)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Input Start-Up Voltage
0.85
1
V
Output Voltage
(Note 6)
l 3.20 3.30 3.40
V
Quiescent Current, VOUT
Quiescent Current, VIN
Quiescent Current, VIN – Shutdown
SHDN = VIN (Note 4)
SHDN = VIN (Note 4)
SHDN = 0V, VOUT = 0V
Not Including Switch Leakage
7
15
µA
0.5
3
µA
0.1
1
µA
NMOS Switch Leakage Current
PMOS Switch Leakage Current
NMOS Switch On-Resistance
VIN = VOUT = VSW = 5V, SHDN = 0V
VIN = VSW = 5V, VOUT = 0V, SHDN = 0V
(Note 3)
0.1
1
µA
0.1
3
µA
0.5
Ω
PMOS Switch On-Resistance
(Note 3)
0.8
Ω
Peak Current Limit
0.4
0.45
A
SHDN Threshold Voltage
0.4
0.6
1
V
SHDN Input Current
VSHDN = VIN or VOUT
0.01
1
µA
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