參數(shù)資料
型號: ISL6425ER
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Quadruple 2-Input Positive-AND Gates 14-TSSOP -40 to 85
中文描述: 0.95 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PQCC32
封裝: 5 X 5 MM, PLASTIC, MO-220VHHD-2, QFN-32
文件頁數(shù): 6/12頁
文件大?。?/td> 285K
代理商: ISL6425ER
6
FN9176.1
February 8, 2005
LINEAR REGULATOR
Drop-Out Voltage
Iout = 450mA (Note 4)
-
1.2
-
V
DSQIN, SEL18V INPUT PINs
(Note 6)
Asserted Low
-
-
0.8
V
Asserted HIGH
1.7
-
-
V
Input Current
-
1
-
μ
A
CURRENT SENSE
Input Bias Current
I
BIAS
-
700
-
nA
Overcurrent Threshold
Static current mode, DCL = H
325
400
500
mV
ERROR AMPLIFIER
Open Loop Voltage Gain
A
OL
(Note 4)
70
88
-
dB
Gain Bandwidth Product
GBP
(Note 4)
10
-
-
MHz
PWM
Maximum Duty Cycle
90
93
-
%
Minimum Pulse Width
(Note 4)
-
20
-
ns
OSCILLATOR
Oscillator Frequency
f
o
Fixed at (10)(f
tone
)
200
220
240
kHz
THERMAL PROTECTION
Thermal Shutdown
Temperature Shutdown Threshold
(Note 4)
-
150
-
Temperature Shutdown Hysteresis
(Note 4)
-
20
-
NOTES:
3. Internal Digital Soft-start
4. Voltage programming signals VSEL and LLC are implemented via the I
2
C bus.
IO = 450mA.
5. Guaranteed by Design.
6. Unused DSQIN pin should be connected to GND. SEL18V pins is internally connected to GND by a 200K resistor.
Electrical Specifications
V
CC
= 12V, T
A
= -20°C to +85°C, unless otherwise noted. Typical values are at T
A
= 25°C. EN = H, LLC = L,
ENT = L, DCL = L, DSQIN = L, I
OUT
= 12mA, unless otherwise noted. See software description section for I
2
C
access to the system.
(Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6425
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