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: 29/29页
文件大小: 635K
代理商: ISL6740IBZ
9
FN9111.4
July 13, 2007
Overcurrent/Short Circuit Discharge Current
SS = 2V
13
18
23
μA
Fault SS Discharge Current
SS = 2V
-
10.0
-
mA
Reset Threshold Voltage
0.25
0.27
0.33
V
FAULT
Fault High Level Output Voltage (VOH)
ILOAD = -10mA
2.85
3.5
-
V
Fault Low Level Output Voltage (VOL)
ILOAD = 10mA
-
0.4
0.9
V
Fault Rise Time
CLOAD = 100pF (Note 4)
-
15
-
ns
Fault Fall Time
CLOAD = 100pF (Note 4)
-
15
-
ns
OUTPUT
High Level Output Voltage (VOH)
VREF - OUTA or OUTB,
IOUT = -50mA
-0.5
1.0
V
Low Level Output Voltage (VOL)
OUTA or OUTB - GND, IOUT = 50mA
-
0.5
1.0
V
Rise Time
CGATE = 1nF, VDD = 15V (Note 4)
-
50
100
ns
Fall Time
CGATE = 1nF, VDD = 15V (Note 4)
-
40
80
ns
THERMAL PROTECTION
Thermal Shutdown
(Note 4)
135
145
155
°C
Thermal Shutdown Clear
(Note 4)
120
130
140
°C
Hysteresis, Internal Protection
(Note 4)
-
15
-
°C
Reference, External Protection
2.375
2.50
2.625
V
Hysteresis, External Protection
18
25
30
μA
SUPPLY UVLO/INHIBIT
Input Voltage Low/Inhibit Threshold
0.97
1.00
1.03
V
Hysteresis, Switched Current Amplitude
7
10
15
μA
Input High Clamp Voltage
4.8
-
V
Input Impedance
1-
-
M
Ω
NOTES:
3. Specifications at -40°C and 105°C are guaranteed by 25°C test with margin limits.
4. This parameter, although guaranteed by characterization or correlation testing, is not 100% tested in production.
5. SYNC pulse width is the greater of this value or the CT discharge time.
6. This is the maximum duty cycle achievable using the specified values of RTC, RTD, and CT. Larger or smaller maximum duty cycles may be
obtained using other values for these components. See Equations 2 through 4.
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 (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6740, 1SL6741
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