ACT6305
Rev 3, 15-Nov-12
ABSOLUTE MAXIMUM RATINGSc
PARAMETER
OUT, EN to G
VALUE
UNIT
-0.3 to 6
V
FB, LX to G
-0.3 to VOUT + 0.3
Internally Limited
0.53
V
A
Continuous LX Current
Maximum Power Dissipation (derate 5mV/°C above TA = 50°C)
W
Junction to Ambient Thermal Resistance ( θJA
Operating Junction Temperature
Storage Temperature
)
190
°C/W
°C
-40 to 150
-55 to 150
300
°C
Lead Temperature (Soldering, 10 sec)
°C
c: Do not exceed these limits to prevent damage to the device. Exposure to absolute maximum rating conditions for long periods may
affect device reliability.
ELECTRICAL CHARACTERISTICS
(VIN = 1.5V, VOUT = 3.3V, TA = 25°C, unless otherwise specified.)
PARAMETER
Minimum Operating Input Voltage
Maximum Operating Input Voltage
Startup Voltage
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
VIN
VIN
VIN
0.6
V
5
1.18
3.4
5.15
5
V
V
ILOAD = 1mA
1
3.3
5
FB = OUT; 60mVPP Ripple
FB = G; 40mVPP Ripple
External Feedback Divider
VFB = 1.3V
3.2
4.85
2
Output Voltage
VOUT
V
Output Voltage Range
V
µA
µA
V
Quiescent Current at OUT
Shutdown Supply Current
Startup to Normal Transition Threshold
FB Feedback Voltage
IQ
17
0.1
1.85
1.180
50
34
ISD
EN = G
1
VFB
VOUT = 2V to 5V
FB = 1.3V
1.15
0.7
1.21
V
FB Input Current
nA
A
Power Switch Current Limit
Power Switch On Resistance
Synchronous Rectifier On Resistance
LX Leakage Current
ILIM
1
1.25
0.4
0.4
1
RONN
RONP
ILX = 100mA
0.19
0.21
0.1
5
Ω
ILX = -100mA
Ω
EN = G, VLX = 0V or 3.3V
µA
µs
µs
V
Maximum Switch On-Time
Minimum Switch Off-Time
EN Logic Low Threshold
EN Logic High Threshold
EN Input Current
tONMAX
tOFFMIN
VIL
3.75
0.75
6.25
1.25
0.3
1
VIH
0.6
V
1
µA
Innovative PowerTM
- 3 -
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