el7571 Intersil Corporation, el7571 Datasheet - Page 2

• Manufacturer Part Number: el7571
• Description: Programmable Pwm Controller
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
Supply Voltage: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 14V
Input Pin Voltage:. . . . . . . . . -.03 below Ground, +0.3 above Supply
VHI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 27V
Storage Temperature Range:. . . . . . . . . . . . . . . . . . 65°C to +150° C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: T
DC Electrical Specifications
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
R
R
R
I
I
I
I
I
I
I
VIN
VIN DIS
SOURCE/SINK
RAMP
OSC CHARGE
OSC DISCHARGE
REFMAX
IN
UVLO HI
UVLO LO
OUT RANGE
OUT 1
OUT 2
REF
ILIM
IREV
OUT PG
OVP
OTEN LO
OTEN HI
ID LO
ID HI
OSC
PWRGD LO
DS ON
FB
CS
PARAMETER
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
Steady State Output Voltage Accuracy,
VID = 00101
Reference Voltage
Current Limit Voltage
Current Reversal Threshold
Output Voltage Power Good Lower
Level
Output Voltage Power Good Upper
Level
Over-Voltage Protection Threshold
Power Down Input Low Level
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
FB Input Impedance
CS Input Impedance
Quiescent Supply Current
Supply Current in Output Disable Mode V
Peak Driver Output Current
C
Oscillator Charge Current
Oscillator Discharge Current
VREF Output Current
SLOPE
Ramp Current
DESCRIPTION
2
(T
A
T
= 25°C)
A
= 25°C , V
IN
= 5V, C
J
= T
C
Positive going input voltage
Negative going input voltage
See VID table
I
I
V
V
V
V
I
V
(VHI-LX) = 12V
V
V
LSD, (VHI-LX) = 12V
High Side Switch Active
1.2>V
1.2>V
L
L
OUT
= T
OSC
ILIM
IREV
OUT
IN
IN
OTEN
OTEN
IN
= 6.5A, V
= 6.5A, V
, V
,V
A
= -10uA
EL7571
= 1mA
INP
= 330pF, C
= (V
OSC
OSC
= 2.05V
INP
= (V
>(V
<1.5V
= 12V, Measured at HSD,
CS
= 12V, I
>0.35V
>0.35V
IN
CS
OUT
OUT
CONDITION
-0.5)V
-V
-V
Operating Temperature Range: . . . . . . . . . . . . . . . . . . 0°C to +70°C
Operating Junction Temperature:. . . . . . . . . . . . . . . . . . . . . . . 125°C
Peak Output Current: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3A
Power Dissipation: . . . . . . . . . . . . . . . . . . . . . . . . . . . .SO20 500mW
FB
FB
= 2.8V
=1.8V
SLOPE
)
OUT
)
= 100mA,
= 390pF, R
SENSE
(V
(V
1.396
3.15
2.74
1.74
IN
IN
MIN
125
-40
-18
4.5
3.6
1.3
8.5
= 7.5m: unless otherwise specified.
+9
8
-1.5)
-1.5)
1.81
0.85
TYP
2.82
1.41
0.76
154
+13
115
3.5
-14
4.8
9.5
1.2
2.5
12
14
50
-5
4
2
1.424
MAX
12.6
3.85
2.90
185
+17
-10
4.4
3.5
1.9
1.5
1.5
0.5
20
16
20
25
6
2
1
UNIT
V
mV
mV
mA
mA
mA
k:
k:
µA
µA
µA
%
%
%
P-P
V
V
V
V
V
V
V
V
V
V
V
V
:
A