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| HWD20011 Datasheet, PDF (2/13 Pages) List of Unclassifed Manufacturers – High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters | |||
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High-Efficiency, Low-Supply-Current,
Compact, Step-Up DC-DC Converters
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (OUT to GND) ..............................-0.3V to +6.0V
Switch Voltage (LX to GND) .....................-0.3V to (VOUT + 0.3V)
Battery Voltage (BATT to GND).............................-0.3V to +6.0V
SHDN, LBO to GND ..............................................-0.3V to +6.0V
LBI, REF, FB, CLSEL to GND ...................-0.3V to (VOUT + 0.3V)
Switch Current (LX) ...............................................-1.5A to +1.5A
Output Current (OUT) ...........................................-1.5A to +1.5A
Continuous Power Dissipation (TA = +70°C)
8-Pin MSOP (derate 4.1mW/°C above +70°C) ....... .330mW
10-Pin MSOP (derate 5.6mW/°C above +70°C) ..... ..444mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +165°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(VBATT = 2V, FB = OUT (VOUT = 3.3V), RL = Ëâ, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
Minimum Input Voltage
Operating Voltage
Start-Up Voltage
Start-Up Voltage Tempco
Output Voltage
Output Voltage Range
Steady-State Output Current
(Note 2)
Reference Voltage
Reference Voltage Tempco
Reference Voltage Load
Regulation
SYMBOL
CONDITIONS
VIN
TA = +25°C
TA = +25°C, RL = 3k⦠(Note 1)
VOUT
FB = OUT
FB = GND
IOUT
VREF
TEMPCO
FB = OUT
(VOUT = 3.3V)
HWD20011,
HWD20012 (CLSEL = OUT)
HWD2001,
HWD20012 (CLSEL = GND)
FB = GND
(VOUT = 5V)
HWD20011,
HWD20012 (CLSEL = OUT)
HWD2001,
HWD20012 (CLSEL = GND)
IREF = 0
VREF_LOAD IREF = 0 to 100µA
MIN TYP MAX UNITS
0.7
V
1.1
5.5
V
0.9
1.1
V
-2
mV/°C
3.17 3.30 3.43
V
4.80
5
5.20
2
5.5
V
300
420
150
220
mA
180
285
90
1.274
130
1.30
0.024
3
1.326
V
mV/°C
15
mV
Reference Voltage Line
Regulation
FB, LBI Input Threshold
Internal NFET, PFET
On-Resistance
LX Switch Current
Limit (NFET)
LX Leakage Current
VREF_LINE VOUT = 2V to 5.5V
RDS(ON)
ILIM
ILEAK
ILX = 100mA
HWD20011, HWD20012 (CLSEL = OUT)
HWD2001, HWD20012 (CLSEL = GND)
VLX = 0, 5.5V; VOUT = 5.5V
1.274
0.80
0.4
0.08
1.30
0.3
1
0.5
0.05
2.5
1.326
0.6
1.20
0.65
1
mV/V
V
â¦
A
µA
2
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