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參數(shù)資料
| 型號： | ISL6740AIVZA |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | JT 5C 5#20 PIN PLUG |
| 中文描述： | 1 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | LEAD FREE, PLASTIC, MO-153-AC, TSSOP-16 |
| 文件頁數(shù)： | 7/15頁 |
| 文件大?。?/td> | 320K |
| 代理商： | ISL6740AIVZA |
7
FN9195.0
February 7, 2005
SOFT-START
Charging Current
SS = 2V
-45
-55
-75
μ
A
SS Clamp Voltage
4.35
4.5
4.65
V
Sustained Overcurrent Threshold Voltage
Charged Threshold minus:
0.20
0.25
0.30
V
Overcurrent/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, 1
μ
S duration, C
VREF
= 1.0
μ
F
-
0.5
1.0
V
Low Level Output Voltage (VOL)
OUTA or OUTB - GND, I
OUT
= 50mA,
1
μ
s duration, C
VREF
= 1.0
μ
F
-
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
°C
Thermal Shutdown Clear
(Note 4)
120
130
140
°C
Hysteresis, Internal Protection
(Note 4)
-
15
-
°C
OTS
Threshold
2.375
2.50
2.625
V
Hysteresis, Switched Current Amplitude
18
25
30
μ
A
UV/FF Undervoltage Inhibit/Feed Forward
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
FF Gain
V
RTD
/V
FF
, V
RTC
/V
FF
0.78
0.8
0.82
V/V
Maximum Control Voltage
4.20
-
V
REF
V
NOTES:
3. Specifications at -40°C and 105°C are guaranteed by 25°C test with margin limits.
4. Guaranteed by design, not 100% tested in production.
5. SYNC pulse width is the greater of this value or the C
T
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.
7. The oscillator frequency is affected by the tolerance of the timing components used. In particular, parasitic capacitance at the CT pin introduced
by layout, leads, and probes, etc. will lower the frequency.
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°C to 105°C (Note 3), Typical
values are at T
A
= 25°C
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6740A
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