XC6365 Datasheet, PDF (6/21 Pages) Torex Semiconductor – PWM Controllde, PWM/PFM Switchable Step-Down DC/DC Converers

XC6365/6366 Series
■ABSOLUTE MAXIMUM RATINGS
PARAMETER
VIN Pin Voltage
VOUT Pin Voltage
FB Pin Voltage
CE Pin Voltage
EXT/ Pin Voltage
EXT/ Pin Current
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Note: Voltage is all ground standardized.
SYMBOL
VDD
VOUT
VFB
VCE
VEXT/
IEXT/
Pd
Topr
Tstg
RATINGS
-0.3 ~ +12
-0.3 ~ VIN +0.3
-0.3 ~ VIN +0.3
-0.3 ~ VIN +0.3
-0.3 ~ VIN +0.3
±100
150
-30 ~ +80
-40 ~ +125
Ta = 25℃
UNITS
V
V
V
V
V
mA
mW
℃
℃
■ELECTRICAL CHARACTERISTICS
XC6365A333MR, XC6366A333MR
PARAMETER
Output Voltage
Maximum Input Voltage
U.V.L.O. Voltage
(Minimum Operating Voltage)
Supply Current 1
SYMBOL
VOUT
VIN
VUVLO
IDD1
Supply Current 2
IDD2
Stand-by Current
ISTB
Oscillation Frequency
FOSC
Maximum Duty Ratio
PFM Duty Ratio
MAXDTY
PFMDTY
CE "High" Voltage
VCEH
CE "Low" Voltage
EXT "High" ON Resistance
EXT "Low" ON Resistance
Efficiency
VCEL
REXTBH
REXTBL
EFFI
Soft-Start Time
TSS
(VOUT=3.3V, FOSC=300kHz)
CONDITIONS
MIN. TYP.
3.218 3.300
10.0
-
Same as IDD1,
0.9
-
Voltage which EXT/pin voltage holding “H” level
No external components, CE=VDD, VOUT=0V
-
57
No external components,
XC6365
-
57
CE=VOUT=VDD
XC6366
-
15
No external components, CE=VOUT=0V
-
-
Measuring of EXT/ waveform,
VIN=output voltage + 0.1V
255 300
100
-
No load (XC6366 only)
15
25
No external components, VOUT=0V,
0.65
-
Voltage which EXT/pin voltage holding “L” level
No external components, VOUT=0V,
-
-
Voltage which EXT/pin voltage holding “H” level
Same as IDD2, VEXT/=VDD-0.4V
-
16
Same as IDD1, VEXT/=0.4V
-
14
Use of a XP162A12A6 transistor
recommended
-
92
Connect RSS, CSS, CE, 0V→ 3.0V
(When VIN≦3.0V, VIN=3.0V)
5
10
Ta=25℃
MAX. UNITS
3.383 V
-
V
2.2 V
102 μA
102 μA
27 μA
0.5 μA
345 kHz
-
%
35 %
-
V
0.20 V
22 μA
19 μA
-
%
20 msec
Conditions: 1. Unless otherwise stated, connect external components. VIN=VDD = 5.0V, IOUT = 220mA
2. XC6365/66C series external components: CSS=0.033μF, RSS=470kΩ
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