EL7571C Ver la hoja de datos (PDF) - Elantec -> Intersil
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EL7571C Datasheet PDF : 23 Pages
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EL7571C
Programmable PWM Controller
Absolute Maximum Ratings (TA = 25°C)
Supply Voltage:
Input Pin Voltage:
VHI
Storage Temperature Range:
-0.5V to 14V
-.03 below Ground, +0.3 above Supply
-0.5V to 27V
65°C to +150°C
Operating Temperature Range:
Operating Junction Temperature:
Peak Output Current:
Power Dissipation:
0°C to +70°C
125°C
3A
SO20 500mW
Important Note:
All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are at the
specified temperature and are pulsed tests, therefore: TJ = TC = TA.
DC Electrical Characteristics
TA = 25°C, VIN = 5V, COSC = 330pF, CSLOPE = 390pF, RSENSE = 7.5mΩ unless otherwise specified.
Parameter
Description
Condition
Min
Typ
Max
Unit
VIN
VUVLO HI
VUVLO LO
VOUT RANGE
VOUT 1
Input Voltage Range
Input Under Voltage Lock out Upper Limit
Input Under Voltage Lock out Lower Limit
Output Voltage Range
Steady State Output Voltage Accuracy, VID =
10111
Positive going input voltage
Negative going input voltage
See VID table
IL = 6.5A, VOUT = 2.8V
4.5
12.6
V
3.6
4
4.4
V
3.15
3.5
3.85
V
1.3
3.5
V
2.74
2.82
2.90
V
VOUT 2
Steady State Output Voltage Accuracy, VID = IL = 6.5A, VOUT =1.8V
00101
1.74
1.81
1.9
V
VREF
VILIM
VIREV
Reference Voltage
Current Limit Voltage
Current Reversal Threshold
VILIM = (VCS-VFB)
VIREV = (VCS-VFB)
1.396
1.41
1.424
V
125
154
185
mV
-40
-5
20
mV
VOUT PG
Output Voltage Power Good Lower Level
Output Voltage Power Good Upper Level
VOUT = 2.05V
-18
-14
-10
%
8
12
16
%
VOVP
VOTEN LO
Over-Voltage Protection Threshold
Power Down Input Low Level
VIN = -10uA
+9
+13
+17
%
1.5
V
VOTEN HI
VID LO
VID HI
VOSC
VPWRGD LO
RDS ON
Power Down Input High Level
Voltage I.D. Input Low Level
Voltage I.D. Input High Level
Oscillator Voltage Swing
Power Good Output Low Level
HSD, LSD Switch On-Resistance
(VIN-1.5)
V
1.5
V
(VIN-1.5)
V
0.85
VP-P
IOUT = 1mA
0.5
V
VIN, VINP = 12V, IOUT = 100mA, (VHI-
LX) = 12V
4.8
6
Ω
RFB
RCS
IVIN
IVIN DIS
ISOURCE/SINK
FB Input Impedance
CS Input Impedance
Quiescent Supply Current
Supply Current in Output Disable Mode
Peak Driver Output Current
VOTEN>(VIN-0.5)V
VOTEN<1.5V
VIN,VINP = 12V, Measured at HSD, LSD,
(VHI-LX) = 12V
9.5
kΩ
115
kΩ
1.2
2
mA
0.76
1
mA
2.5
A
IRAMP
IOSC CHARGE
IOSC
DISCHARGE
IREFMAX
IVID
IOTEN
CSLOPE Ramp Current
Oscillator Charge Current
Oscillator Discharge Current
VREF Output Current
VID Input Pull up Current
OTEN Input Pull up Current
High Side Switch Active
1.2>VOSC>0.35V
1.2>VOSC>0.35V
8.5
14
50
2
3
5
3
5
20
µA
µA
mA
25
µA
7
µA
7
µA
2
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