參數(shù)資料
型號： EL7571C
英文描述： Programmable PWM Controller
中文描述： 可編程PWM控制器
文件頁數(shù)： 12/23頁
文件大?。?/td> 480K
代理商： EL7571C
2
EL7571C
Programmable PWM Controller
E
L
75
71
C
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
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 = 7.5m unless otherwise specified.
Parameter
Description
Condition
Min
Typ
Max
Unit
VIN
Input Voltage Range
4.5
12.6
V
VUVLO HI
Input Under Voltage Lock out Upper Limit
Positive going input voltage
3.6
4
4.4
V
VUVLO LO
Input Under Voltage Lock out Lower Limit
Negative going input voltage
3.15
3.5
3.85
V
VOUT RANGE
Output Voltage Range
See VID table
1.3
3.5
V
VOUT 1
Steady State Output Voltage Accuracy, VID =
10111
IL = 6.5A, VOUT = 2.8V
2.74
2.82
2.90
V
VOUT 2
Steady State Output Voltage Accuracy, VID =
00101
IL = 6.5A, VOUT =1.8V
1.74
1.81
1.9
V
VREF
Reference Voltage
1.396
1.41
1.424
V
VILIM
Current Limit Voltage
VILIM = (VCS-VFB)
125
154
185
mV
VIREV
Current Reversal Threshold
VIREV = (VCS-VFB)
-40
-5
20
mV
VOUT PG
Output Voltage Power Good Lower Level
VOUT = 2.05V
-18
-14
-10
%
Output Voltage Power Good Upper Level
8
12
16
%
VOVP
Over-Voltage Protection Threshold
+9
+13
+17
%
VOTEN LO
Power Down Input Low Level
VIN = -10uA
1.5
V
VOTEN HI
Power Down Input High Level
(VIN-1.5)
V
VID LO
Voltage I.D. Input Low Level
1.5
V
VID HI
Voltage I.D. Input High Level
(VIN-1.5)
V
VOSC
Oscillator Voltage Swing
0.85
VP-P
VPWRGD LO
Power Good Output Low Level
IOUT = 1mA
0.5
V
RDS ON
HSD, LSD Switch On-Resistance
VIN, VINP = 12V, IOUT = 100mA, (VHI-
LX) = 12V
4.8
6
RFB
FB Input Impedance
9.5
k
RCS
CS Input Impedance
115
k
IVIN
Quiescent Supply Current
VOTEN>(VIN-0.5)V
1.2
2
mA
IVIN DIS
Supply Current in Output Disable Mode
VOTEN<1.5V
0.76
1
mA
ISOURCE/SINK Peak Driver Output Current
VIN,VINP = 12V, Measured at HSD, LSD,
(VHI-LX) = 12V
2.5
A
IRAMP
CSLOPE Ramp Current
High Side Switch Active
8.5
14
20
A
IOSC CHARGE
Oscillator Charge Current
1.2>VOSC>0.35V
50
A
IOSC
DISCHARGE
Oscillator Discharge Current
1.2>VOSC>0.35V
2
mA
IREFMAX
VREF Output Current
25
A
IVID
VID Input Pull up Current
3
5
7
A
IOTEN
OTEN Input Pull up Current
3
5
7
A
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