High-Efficiency, Low-Supply-Current,
Compact, Step-Up DC-DC Converters
2
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VBATT = 2V, FB = OUT (VOUT = 3.3V), RL = ˙
∞, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
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
TA = +25°C, RL = 3k
Ω (Note 1)
VLX = 0, 5.5V; VOUT = 5.5V
TA = +25°C
HWD2001, HWD20012 (CLSEL = GND)
HWD20011, HWD20012 (CLSEL = OUT)
ILX = 100mA
FB = OUT
(VOUT = 3.3V)
VOUT = 2V to 5.5V
IREF = 0 to 100µA
90
130
HWD2001,
HWD20012 (CLSEL = GND)
FB = OUT
FB = GND
IREF =0
CONDITIONS
µA
0.05
1
ILEAK
LX Leakage Current
A
0.4
0.5
0.65
ILIM
0.80
1
1.20
LX Switch Current
Limit (NFET)
Ω
0.3
0.6
RDS(ON)
Internal NFET, PFET
On-Resistance
V
1.274
1.30
1.326
FB, LBI Input Threshold
mV/V
0.08
2.5
VREF_LINE
Reference Voltage Line
Regulation
mV
315
VREF_LOAD
Reference Voltage Load
Regulation
mV/°C
0.024
TEMPCO
Reference Voltage Tempco
V
1.274
1.30
1.326
VREF
Reference Voltage
V
0.9
1.1
Start-Up Voltage
V
1.1
5.5
VIN
V
0.7
Minimum Input Voltage
Operating Voltage
150
220
FB = GND
(VOUT = 5V)
HWD2001,
HWD20012 (CLSEL = GND)
180
285
IOUT
HWD20011,
HWD20012 (CLSEL = OUT)
mA
300
420
Steady-State Output Current
(Note 2)
mV/°C
-2
Start-Up Voltage Tempco
V
3.17
3.30
3.43
VOUT
Output Voltage
4.80
5
5.20
HWD20011,
HWD20012 (CLSEL = OUT)
V
2
5.5
Output Voltage Range
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
