参数资料
型号: ISL6740IBZ
厂商: INTERSIL CORP
元件分类: 稳压器
英文描述: Flexible Double Ended Voltage and Current Mode PWM Controllers
中文描述: 0.5 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16
封装: ROHS COMPLIANT, PLASTIC, MS-012-AC, SOIC-16
文件页数: 27/29页
文件大小: 635K
代理商: ISL6740IBZ
7
FN9111.4
July 13, 2007
Absolute Maximum Ratings
Thermal Information
Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . GND - 0.3V to +20.0V
OUTA, OUTB, Signal Pins . . . . . . . . . . . . . . . . .GND - 0.3V to VREF
VREF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 6.0V
Peak GATE Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5A
ESD Classification
Human Body Model (Per MIL-STD-883 Method 3015.7) . . .1500V
Charged Device Model (Per EOS/ESD DS5.3, 4/14/93) . . .1000V
Operating Conditions
Temperature Range
ISL6740Ix . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C
ISL6741Ix . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C
Supply Voltage Range (Typical). . . . . . . . . . . . . . . . 9VDC - 16VDC
Thermal Resistance Junction to Ambient (Typical)
θJA (°C/W)
16 Lead SOIC (Note 1) . . . . . . . . . . . . . . . . . . . . . .
77
16 Lead TSSOP (Note 1) . . . . . . . . . . . . . . . . . . . . .
102
Maximum Junction Temperature . . . . . . . . . . . . . . . -55°C to +150°C
Maximum Storage Temperature Range . . . . . . . . . . -65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
1.
θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
2. All voltages are with respect to GND.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
Schematic. 9V < VDD < 20 V, RTD = 51.1kΩ, RTC = 10kΩ, CT = 470pF, TA = -40°C to +105°C (Note 3), Typical
values are at TA = +25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY VOLTAGE
Start-Up Current, IDD
VDD < START Threshold
-
95
140
μA
Operating Current, IDD
RLOAD, COUTA,B = 0
-
5.0
8.0
mA
COUTA,B = 1nF
-
7.0
12.0
mA
UVLO START Threshold
6.50
7.25
8.00
V
UVLO STOP Threshold
6.00
6.75
7.50
V
Hysteresis
0.25
0.50
0.75
V
REFERENCE VOLTAGE
Overall Accuracy
IVREF = 0, -20mA
4.900
5.000
5.050
V
Long Term Stability
TA = +125°C, 1000 hours (Note 4)
-
3
-
mV
Fault Voltage
4.10
4.55
4.75
V
VREF Good Voltage
4.25
4.75
VREF - 0.05
V
Hysteresis
75
165
250
mV
Operational Current (source)
-20
-
mA
Operational Current (sink)
5-
-
mA
Current Limit
-25
-
-100
mA
CURRENT SENSE
Current Limit Threshold
VERROR = VREF
0.55
0.6
0.65
V
CS to OUT Delay
-35
50
ns
CS Sink Current
-10
-
mA
Input Bias Current
-1.00
-
1.00
μA
CS to PWM Comparator Input Offset (ISL6741)
(Note 4)
-
80
-
mV
Gain (ISL6741)
ACS = ΔVERROR/ΔVCS (Note 4)
-
4
-
V/V
SCSET Input Impedance
1-
-
M
Ω
SC Setpoint Accuracy
-10
-
%
ISL6740, 1SL6741
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