參數(shù)資料
型號(hào)： EL7516IY
廠商： International Rectifier
英文描述： 600kHz/1.2MHz PWM Step-Up Regulator
中文描述： 600kHz/1.2MHz PWM升壓調(diào)節(jié)器
文件頁(yè)數(shù)： 4/11頁(yè)
文件大小： 303K
代理商： EL7516IY
2
FN7333.3
Absolute Maximum Ratings (TA = 25°C)
LX to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18V
VDD to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6V
COMP, FB, SHDN, SS, FSEL to GND . . . . . . -0.3V to (VDD +0.3V)
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Operating Ambient Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +135°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: TJ = TC = TA
Electrical Specifications
VIN = 3.3V, VOUT = 12V, IOUT = 0mA, FSEL = GND, TA = 25°C unless otherwise specified.
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
IQ1
Quiescent Current - Shut-down
SHDN = 0V
0.6
10
A
IQ2
Quiescent Current - Not Switching
SHDN = VDD, FB = 1.3V
0.7
mA
IQ3
Quiescent Current - Switching
SHDN = VDD, FB = 1.0V
1.3
2
mA
VFB
Feedback Voltage
1.272
1.294
1.309
V
IB-FB
Feedback Input Bias Current
0.01
0.5
A
VDD
Start-Up Input Voltage Range
2.6
5.5
V
DMAX-600kHz
Maximum Duty Cycle
FSEL = 0V
84
90
%
DMAX-1.2MHz
Maximum Duty Cycle
FSEL = VDD
84
90
%
ILIM
Current Limit - Max Peak Input Current
1.3
1.5
A
ISHDN
Shut-down Input Bias Current
SHDN = 0V
0.01
0.1
A
RDS-ON
Switch ON Resistance
VDD = 2.7V, ILX = 1A
0.2
ILX-LEAK
Switch Leakage Current
VSW = 18V
0.01
3
A
VOUT/VIN
Line Regulation
3V < VIN < 5.5V, VOUT = 12V
0.1
%
VOUT/IOUT
Load Regulation
VIN = 3.3V, VOUT = 12V, IO = 30mA to 200mA
6.7
mV/A
FOSC1
Switching Frequency Accuracy
FSEL = 0V
500
620
740
kHz
FOSC2
Switching Frequency Accuracy
FSEL = VDD
1000
1250
1500
kHz
VIL
SHDN, FSEL Input Low Level
0.5
V
VIH
SHDN, FSEL Input High Level
2.7
V
GM
Error Amp Tranconductance
I = 5A
90
130
170
1/
AV
Voltage Gain
350
V/V
VDD-ON
VDD UVLO On Threshold
2.40
2.51
2.60
V
VDD-OFF
VDD UVLO Off Threshold
2.20
2.30
2.40
V
ISS
Soft-start Charge Current
4
6
8
A
RCS
Current Sense Transresistance
0.08
V/A
OTP
Over Temperature Protection
130
°C
EL7516
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