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ACT6305
ABSOLUTE MAXIMUM RATINGS
(Note: Exceeding these limits may damage the device. Exposure to absolute maximum rating conditions for long periods may affect device
reliability.)
PARAMETER
VALUE
UNIT
OUT, EN to G
-0.3 to 6
V
FB, LX to G
-0.3 to VOUT + 0.3
V
Continuous LX Current
Internally Limited
A
Maximum Power Dissipation (derate 5mW/°C above TA = 50°C)
0.53
W
Junction to Ambient Thermal Resistance (
θ JA)
190
°C/W
Operating Junction Temperature
Storage Temperature
Lead Temperature (Soldering, 10 sec)
-40 to 150
-55 to 150
300
°C
°C
°C
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VIN = 1.5V,
VOUT = 3.3V, TA = 25°C unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Minimum Operating Input Voltage
0.6
V
Startup Voltage
0.95
1.1
V
Output Voltage
VOUT
FB = OUT
FB = G
3.2
4.85
3.3
5
3.4
5.15
V
Startup to Normal Transition Voltage
Threshold
1.85
V
FB Feedback Voltage
VFB
VOUT = 2V to 5V
1.16
1.18
1.2
V
FB Input Current
FB = 1.3V
0.1
µA
Power Switch Current Limit
ILIM
1
1.2
1.4
A
Power Switch On Resistance
RONN
ILX = 100mA
0.15
0.3
Ω
Synchronous Rectifier On Resistance
RONP
ILX = 100mA
0.25
0.5
LX Leakage Current
SHDN = G, VLX = 0 or 3.3V
0.1
1
µA
Output Voltage Range
External Feedback divider
2
5
V
Quiescent Current at OUT
IQ
VFB = 1.3V
17
34
µA
Shutdown Supply Current
ISD
SHDN = G
0.1
1
µA
Maximum On Time
Programming High Time
tONMAX
VOUT = 2V to 5.5V
1
50
5
ns
75
µs
Finish High Time
tFINISH
500
µs
Off Timeout
tOFF
300
500
µs
Input Current
1
µA
Active-Semi, Inc.
- 3 -
www.active-semi.com
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