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SP6122 Datasheet(PDF) 3 Page - Sipex Corporation

Part No. SP6122
Description  Low Voltage, Micro 8, PFET, Buck Controller Ideal for 1A to 5A, Small Footprint, DC-DC Power Converters
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Maker  SIPEX [Sipex Corporation]
Homepage  http://www.sipex.com
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 3 page
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3
Rev. 7/16/03
SP6122 Low Voltage, Micro 8, PFET, Buck Controller
© Copyright 2003 Sipex Corporation
PARAMETER
MIN
TYP
MAX
UNITS
CONDITIONS
RDS OVER CURRENT COMPARATOR
Over Current Comparator
130
150
180
mV
V(ISET) - V(ISENSE) 25°C only
Threshold Voltage
Threshold Voltage Temperature
-
3800
-
ppm/°C
Coefficient
ISET Sink Current
15
20
25
µA
Current into ISET 25°C only
ISET Current Temperature
-
4300
-
ppm/°C
Coefficient
ISENSE Input Bias Current
-
-
100
nA
ISET, ISENSE Common Mode
2.0
-
VCC
V
Input Range
Over Current Peak Detection
-
10
-
µs
Time Constant
ENABLE INPUT & FFLAG OUTPUT
ENABLE Threshold
0.90
1.21
1.45
V
ENABLE Pin Source Current
0.8
5.0
10.0
µA
FFLAG Sink Current
3.0
7.5
15.0
mA
V(FFLAG) = 1V
GATE DRIVER
PDRV Rise Time
20
75
ns
0.5V to 4.5V
PDRV Fall Time
20
75
ns
4.5V to 0.5V
NOTE: Available Output Voltages: 1.5V Fixed, 1.25V Adj.
ELECTRICAL CHARACTERISTICS: Continued
Unless otherwise specified: 0°C < TAMB < 70°C, 3.0V < VCC < 5.5V, CPDRV = 1nF, VENABLE = VCC, VFFLAG = VCC,
ISET = ISENSE = VCC, GND = 0V




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