參數(shù)資料
型號(hào): ISL6740
廠商: Intersil Corporation
英文描述: Flexible Double Ended Voltage and Current Mode PWM Controllers
中文描述: 靈活的雙端電壓和電流模式PWM控制器
文件頁(yè)數(shù): 9/29頁(yè)
文件大?。?/td> 639K
代理商: ISL6740
9
Sustained Over Current Threshold Voltage (ISL6740)
Charged Threshold minus:
0.20
0.25
0.30
V
Over Current/Short Circuit Discharge Current
SS = 2V
13
18
23
μ
A
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)
I
LOAD
= -10mA
2.85
3.5
-
V
Fault Low Level Output Voltage (VOL)
I
LOAD
= 10mA
-
0.4
0.9
V
Fault Rise Time
C
LOAD
= 100pF (Note 4)
-
15
-
ns
Fault Fall Time
C
LOAD
= 100pF (Note 4)
-
15
-
ns
OUTPUT
High Level Output Voltage (VOH)
V
REF
- OUTA or OUTB,
I
OUT
= -50mA
-
0.5
1.0
V
Low Level Output Voltage (VOL)
OUTA or OUTB - GND, I
OUT
= 50mA
-
0.5
1.0
V
Rise Time
C
GATE
= 1nF, V
DD
= 15V (Note 4)
-
50
100
ns
Fall Time
C
GATE
= 1nF, V
DD
= 15V (Note 4)
-
40
80
ns
THERMAL PROTECTION
Thermal Shutdown
(Note 4)
135
145
155
o
C
Thermal Shutdown Clear
(Note 4)
120
130
140
o
C
Hysteresis, Internal Protection
(Note 4)
-
15
-
o
C
Reference, External Protection
2.375
2.50
2.625
V
Hysteresis, External Protection
18
25
30
μ
A
SUPPLY UVLO/INHIBIT
Input Voltage Low/Inhibit Threshold
0.97
1.00
1.03
V
Hysteresis, Switched Current Amplitude
7
10
15
μ
A
Input High Clamp Voltage
4.8
-
-
V
Input Impedance
1
-
-
M
NOTES:
3. Specifications at -40
o
C and 105
o
C are guaranteed by design, not production tested.
4. Guaranteed by design, 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 R
TC
, R
TD
, and C
T
. Larger or smaller maximum duty cycles may be
obtained using other values for these components. See Equations 2-4.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
Schematic. 9V < V
DD
< 20 V, R
TD
= 51.1k
, R
TC
= 10k
, C
T
= 470pF, T
A
= -40
o
C to 105
o
C (Note 4), Typical
values are at T
A
= 25
o
C
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6740, ISL6741
相關(guān)PDF資料
PDF描述
ISL6740IB Flexible Double Ended Voltage and Current Mode PWM Controllers
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ISL6741 Flexible Double Ended Voltage and Current Mode PWM Controllers(靈活的雙端電壓和電流模式PWM控制器)
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