參數(shù)資料
型號： EL7571
廠商： Intersil Corporation
英文描述： Programmable PWM Controller
中文描述： 可編程PWM控制器
文件頁數(shù)： 2/19頁
文件大?。?/td> 310K
代理商： EL7571
2
Absolute Maximum Ratings
(T
A
= 25°C)
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
Operating Temperature Range: . . . . . . . . . . . . . . . . . . 0°C to +70°C
Operating Junction Temperature:. . . . . . . . . . . . . . . . . . . . . . .125°C
Peak Output Current:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3A
Power Dissipation: . . . . . . . . . . . . . . . . . . . . . . . . . . . .SO20 500mW
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
J
= T
C
= T
A
DC Electrical Specifications
T
A
= 25°C, V
IN
= 5V, C
OSC
= 330pF, C
SLOPE
= 390pF, R
SENSE
= 7.5m
unless otherwise specified.
PARAMETER
DESCRIPTION
CONDITION
MIN
TYP
MAX
UNIT
V
IN
V
UVLO HI
Input Voltage Range
4.5
12.6
V
Input Under Voltage Lock out Upper
Limit
Positive going input voltage
3.6
4
4.4
V
V
UVLO LO
Input Under Voltage Lock out Lower
Limit
Negative going input voltage
3.15
3.5
3.85
V
V
OUT RANGE
V
OUT 1
Output Voltage Range
See VID table
1.3
3.5
V
Steady State Output Voltage Accuracy,
VID = 10111
I
L
= 6.5A, V
OUT
= 2.8V
2.74
2.82
2.90
V
V
OUT 2
Steady State Output Voltage Accuracy,
VID = 00101
I
L
= 6.5A, V
OUT
=1.8V
1.74
1.81
1.9
V
V
REF
V
ILIM
V
IREV
V
OUT PG
Reference Voltage
1.396
1.41
1.424
V
Current Limit Voltage
V
ILIM
= (V
CS
-V
FB
)
V
IREV
= (V
CS
-V
FB
)
V
OUT
= 2.05V
125
154
185
mV
Current Reversal Threshold
-40
-5
20
mV
Output Voltage Power Good Lower
Level
-18
-14
-10
%
Output Voltage Power Good Upper
Level
8
12
16
%
V
OVP
V
OTEN LO
V
OTEN HI
V
ID LO
V
ID HI
V
OSC
V
PWRGD LO
R
DS ON
Over-Voltage Protection Threshold
+9
+13
+17
%
Power Down Input Low Level
V
IN
= -10uA
1.5
V
Power Down Input High Level
(V
IN
-1.5)
V
Voltage I.D. Input Low Level
1.5
V
Voltage I.D. Input High Level
(V
IN
-1.5)
V
Oscillator Voltage Swing
0.85
V
P-P
V
Power Good Output Low Level
I
OUT
= 1mA
V
IN
, V
INP
= 12V, I
OUT
= 100mA,
(VHI-LX) = 12V
0.5
HSD, LSD Switch On-Resistance
4.8
6
R
FB
R
CS
I
VIN
I
VIN DIS
I
SOURCE/SINK
FB Input Impedance
9.5
k
CS Input Impedance
115
k
Quiescent Supply Current
V
OTEN
>(V
IN
-0.5)V
V
OTEN
<1.5V
V
IN
,V
INP
= 12V, Measured at HSD,
LSD, (VHI-LX) = 12V
1.2
2
mA
Supply Current in Output Disable Mode
0.76
1
mA
Peak Driver Output Current
2.5
A
I
RAMP
I
OSC CHARGE
I
OSC DISCHARGE
I
REFMAX
C
SLOPE
Ramp Current
Oscillator Charge Current
High Side Switch Active
8.5
14
20
μA
1.2>V
OSC
>0.35V
1.2>V
OSC
>0.35V
50
μA
Oscillator Discharge Current
2
mA
VREF Output Current
25
μA
EL7571
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