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ISL6235 Datasheet(Hoja de datos) 5 Page - Intersil Corporation

No. de Pieza. ISL6235
Descripción  Advanced Triple PWM Only Mode and Dual Linear Power Controller for Portable Applications
Descarga  14 Pages
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Fabricante  INTERSIL [Intersil Corporation]
Página de inicio  http://www.intersil.com/cda/home
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 5 page
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5
Internal Resistance to GND on VSNS2 Pin
RVSNS2
-
66K
-
PWM1 and PWM2 CONTROLLER GATE DRIVERS
Upper Drive Pull-Up Resistance
R2UGPUP
-5
12
Upper Drive Pull-Down Resistance
R2UGPDN
-4
10
Lower Drive Pull-Up Resistance
R2LGPUP
-6
9
Lower Drive Pull-Down Resistance
R2LGPDN
-5
8
PWM 3 CONVERTER
12V Feedback Regulation Voltage
VSEN3
-
2.472
-
V
12V Feedback Regulation Voltage Input
Current
IVSEN3
-0.1
1.0
µA
Line and Load Regulation
0.0 < IVOUT3 < 120mA, 4.9V < 5VMain < 5.1V
-2
-
+2
%
Undervoltage Shut-Down Level
VUV3
2
µs Delay, % Feedback Voltage at VSNS3 Pin
70
75
80
%
Overvoltage Threshold
VOVP3
2
µs Delay, % Feedback Voltage at VSNS3 Pin
-
115
120
%
PWM3 Oscillator Frequency
Fc3
85
100
115
kHz
Maximum Duty Cycle
-33
-
%
PWM 3 CONTROLLER GATE DRIVERS
Pull-Up Resistance
R3GPUP
-
8
12
Pull-Down Resistance
R3GPDN
-
8
12
5V AND 3.3V ALWAYS
Linear Regulator Accuracy
PWM1, 5V Output OFF (SDWN1 = 0V);
5.6V < VBATT < 22V; 0 < Iload < 50mA
-2.0
0.5
+2.0
%
5V ALWAYS Output Voltage Regulation
PWM1, 5V output ON (SDWN1 = 5V);
0 < Iload < 50mA
-3.3
1.0
+2.0
%
Maximum Output Current
Combined 5V ALWAYS and 3.3V ALWAYS
50
-
-
mA
Current Limit
Combined 5V ALWAYS and 3.3V ALWAYS
100
180
-
mA
5V ALWAYS Undervoltage Shut-Down
-75
-
%
Bypass Switch
rDS(ON)
PWM1, 5V output ON (SDWN1 = 5V)
-
1.3
-
POWER GOOD AND CONTROL FUNCTIONS
Power Good Threshold for PWM1 and
PWM2 Output Voltages
-14
-12
-10
%
PGOOD Leakage Current
IPGLKG
VPULLUP = 5.0V
-
-
1.0
µA
PGOOD Voltage Low
VPGOOD
IPGOOD = -4mA
-
0.2
0.5
V
PGOOD Minimum Pulse Width
TPGmin
-10
-
µs
SDWN1, 2- Low (Off)
-0.8
-
V
SDWN1, 2, - High (On)
-4.3
-
V
SDWNALL - High (On)
-2.4
-
V
SDWNALL - Low (Off)
SDWNALL
-
40
-
mV
Over-Temperature Shutdown
-
150
-
oC
Over-Temperature Hysteresis
-25
-
oC
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted. Refer to Block and Simplified Power System
Diagrams, and Typical Application Schematic (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6235




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