參數(shù)資料
型號(hào)： ISL6729IUZ-T
廠商： INTERSIL CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： Low-Cost Single-Ended Current-Mode PWM for Microcontroller Based Power Converters
中文描述： 1 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO8
封裝： ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8
文件頁(yè)數(shù)： 4/8頁(yè)
文件大?。?/td> 265K
代理商： ISL6729IUZ-T
4
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V
DD
. . . . . . . . . . . . . . . . . . . . GND - 0.3V to +6.5V
OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GND - 0.3V to V
DD
+ 0.3V
Signal Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 6.5V
Peak GATE Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1A
ESD Classification
Human Body Model (Per MIL-STD-883 Method 3015.7). . .2000V
Charged Device Model (Per EOS/ESD DS5.3, 4/14/93) . . .1000V
Operating Conditions
Temperature Range
ISL6729Ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 105°C
Supply Voltage Range (Typical)
ISL6729 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.75V-5.25V
Thermal Resistance (Typical, Note 1)
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MSOP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature . . . . . . . . . . . . . . . .-55°C to 150°C
Maximum Storage Temperature Range. . . . . . . . . . .-65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300°C
(SOIC- Lead Tips Only)
θ
JA
(°C/W)
100
130
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1.
θ
JA
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. V
DD
= 5V, CLK = 50kHz, T
A
= -40 to 105°C (Note 3), Typical values are at T
A
= 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
UNDERVOLTAGE LOCKOUT
START Threshold
4.15
4.50
4.75
V
STOP Threshold
4.00
4.30
4.60
Hysteresis
-
0.2
-
V
Start-Up Current, I
DD
V
DD
< START Threshold
-
420
800
μ
A
Operating Current, I
DD
(Note 4)
-
3.3
5.5
mA
Operating Supply Current, I
D
Includes 1nF GATE loading
-
4.1
6.0
mA
CURRENT SENSE
Input Bias Current
V
CS
= 1V
-1.0
-
1.0
μ
A
CS Offset Voltage
V
CS
= 0V (Note 5)
95
100
105
mV
COMP to PWM Comparator Offset Voltage
V
CS
= 0V (Note 5)
0.80
1.15
1.30
V
CS Input Signal, Maximum
0.91
0.97
1.03
V
Gain, A
CS
=
V
COMP
/
V
CS
0 < V
CS
< 910mV, V
FB
= 0V. (Note 5)
2.5
3.0
3.5
V/V
CS to OUT Delay
(Note 5)
-
25
40
ns
CLOCK
Input High Voltage Level, VIH
-
2.8
-
V
Input Low Voltage Level, VIL
-
2.7
-
V
Maximum Clock Rate
(Note 5)
2
-
-
MHz
OUTPUT
Gate VOH
V
DD
- OUT, I
OUT
= -200mA
-
1.0
2.0
V
Gate VOL
OUT - GND, I
OUT
= 200mA
-
1.0
2.0
V
Peak Output Current
C
OUT
= 1nF (Note 5)
1.0
-
-
A
Rise Time
C
OUT
= 1nF (Note 5)
-
20
40
ns
Fall Time
C
OUT
= 1nF (Note 5)
-
20
40
ns
ISL6729
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