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6225CA Просмотр технического описания (PDF) - Unspecified

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6225CA Dual Mobile-Friendly PWM Controller with DDR Memory Option ETC
Unspecified 
6225CA Datasheet PDF : 19 Pages
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ISL6225
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNITS
PWM CONVERTERS
Load Regulation
VSEN pin bias current
VOUT pin input impedance
Undervoltage Shut-Down Level
Overvoltage Shut-Down
GATE DRIVERS
0.0mA < IVOUT1 < 5.0A; 5.0V < VBATT < 24.0V -2.0
- +2.0
%
IVSEN By design
50
80 120
nA
IVOUT
VOUT = 5V
40
55
65
k
VUVL Fraction of the set point; ~2µs noise filter
70
-
85
%
VOVP1 Fraction of the set point; ~2µs noise filter
110
-
130
%
Upper Drive Pull-Up Resistance
R2UGPUP
Upper Drive Pull-Down Resistance
R2UGPDN
Lower Drive Pull-Up Resistance
R2LGPUP
Lower Drive Pull-Down Resistance
R2LGPDN
POWER GOOD AND CONTROL FUNCTIONS
VCC = 4.5V
VCC = 4.5V
VCC = 4.5V
VCC = 4.5V
-
8
15
-
3.2
5
-
8
15
-
1.8
3
Power Good Lower Threshold
Power Good Higher Threshold
VPG-
VPG+
Fraction of the set point; ~3µs noise filter
Fraction of the set point; ~3µs noise filter.
Guaranteed by design.
-13
-
-7
%
12
-
16
%
PGOODx Leakage Current
PGOODx Voltage Low
EN - Low (Off)
IPGLKG
VPGOOD
VPULLUP = 5.5V
IPGOOD = -4mA
-
-
1
µA
-
0.5 0.85
V
-
-
0.8
V
EN - High (On)
2.5
-
-
V
CCM Enforced (Hysteretic Operation
Inhibited)
VOUTX pulled low
-
-
0.1
V
Automatic CCM/Hysteretic Operation Enabled
VOUTX connected to the output
0.9
-
-
V
DDR - Low (Off)
-
-
0.8
V
DDR - High (On)
2.5
-
-
V
DDR REF Output Voltage
DDR REF Output Current
VDDREF DDR = 1, IREF = 0...10mA
IDDREF DDR = 1. Guaranteed by design.
0.99* VOC2 1.01*
V
VOC2
VOC2
-
10
16
mA
4
FN9049.7
December 28, 2004
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