ML4890 Просмотр технического описания (PDF) - Micro Linear Corporation
Номер в каталоге
Компоненты Описание
производитель
ML4890 Datasheet PDF : 12 Pages
| |||
ML4890
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which
the device could be permanently damaged. Absolute
maximum ratings are stress ratings only and functional
device operation is not implied.
VBOOST ........................................................................ 7V
Voltage on Any Other Pin ... GND –0.3V to VBOOST +0.3V
Peak Switch Current (IPEAK) .......................................... 1A
Average Switch Current (IAVG) ............................... 500mA
LDO Output Current ............................................. 250mA
Junction Temperature .............................................. 150°C
Storage Temperature Range .................... –65°C to +150°C
Lead Temperature (Soldering 10s) .......................... +260°C
Thermal Resistance (θJA)
Plastic SOIC .................................................... 110°C/W
OPERATING CONDITIONS
Temperature Range
ML4890CS-X ............................................ 0°C to +70°C
ML4890ES-X ......................................... –20°C to +70°C
VIN Operating Range
ML4890CS-X ................................................ 1.0V to 6V
ML4890ES-X ................................................. 1.1V to 6V
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VIN = Operating Voltage Range, TA = Operating Temperature Range. (Note 1)
PARAMETER
CONDITIONS
Supply
VIN Current
VIN = 6V
SHDN = high
VOUT Quiescent Current
VL Quiescent Current
Reference
VBOOST = VOUT + 0.5V
Output Voltage (VREF)
PFM Regulator
0 < IPIN2 < –5µA,
Pulse Width (TON)
LDO
DC Output Voltage (VOUT)
Load Regulation
ML4890-5
ML4890-3
ML4890-T
ML4890-5
Dropout Voltage
ML4890-3
ML4890-T
ML4890-5
Output Ripple
ML4890-3
ML4890-T
VBOOST = VOUT + 0.5V, IOUT < 200mA
VBOOST = VOUT + 0.5V, IOUT < 100mA
VBOOST = VOUT + 0.5V, IOUT < 80mA
See Figure 1
VIN = 1.2V, IOUT < 7mA
VIN = 2.4V, IOUT < 50mA
VIN = 1.2V, IOUT < 14mA
VIN = 2.4V, IOUT < 75mA
VIN = 1.2V, IOUT < 15mA
VIN = 2.4V, IOUT < 60mA
See Figure 1
VIN = 1.2V, IOUT < 7mA
VIN = 2.4V, IOUT < 50mA
VIN = 1.2V, IOUT < 14mA
VIN = 2.4V, IOUT < 75mA
VIN = 1.2V, IOUT < 15mA
VIN = 2.4V, IOUT < 60mA
Shutdown
SHDN Threshold
SHDN Bias Current
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst case conditions.
MIN
195
4.5
4.85
3.2
2.91
4.85
4.85
3.2
3.2
2.91
2.91
0.5
–100
TYP.
60
15
8
200
5
5.0
3.3
3.0
5.0
5.0
3.3
3.3
3.0
3.0
5
0.8
MAX
UNITS
75
µA
25
µA
10
µA
1
µA
205
mV
5.5
µs
5.15
V
3.4
V
3.09
V
5.15
V
5.15
V
3.4
V
3.4
V
3.09
V
3.09
V
300
mV
500
mV
300
mV
500
mV
300
mV
500
mV
mVP-P
1.0
V
100
nA
3
Share Link: 