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參數(shù)資料
| 型號： | ISL9007IUKZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | High Current LDO with Low IQ and High PSRR |
| 中文描述： | 2.85 V FIXED POSITIVE LDO REGULATOR, 0.325 V DROPOUT, PDSO8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 257K |
| 代理商： | ISL9007IUKZ |
2
FN9218.0
October 13, 2005
Absolute Maximum Ratings
Thermal Information
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7.1V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (VIN+0.3)V
Recommended Operating Conditions
Ambient Temperature Range (T
A
) . . . . . . . . . . . . . . .-40°C to +85°C
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 to 6.5V
Thermal Resistance (Notes 3, 4)
8 Ld MSOP Package . . . . . . . . . . . . . . . . . . . . . . . .
Junction Temperature Range
Operating Temperature Range . . . . . . . . . . . . . . . . .-40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . .+300°C
θ
JA
(°C/W)
157
-40°C to +125°C
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:
3.
θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
4.
θ
JC
, “case temperature” location is at the center of the exposed metal pad on the package underside. See Tech Brief TB379.
Electrical Specifications
Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature
range of the device as follows:
T
A
= -40°C to +85°C; V
IN
= (V
O
+ 0.5V) to 6.5V with a minimum V
IN
of 2.3V; C
IN
= 1
μ
F; C
O
= 1
μ
F
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
Supply Voltage
V
IN
2.3
6.5
V
Ground Current
I
DD
Quiescent condition: I
O
= 0
μ
A
50
70
μ
A
Shutdown Current
I
DDS
@25°C
0.1
1.0
μ
A
UVLO Threshold
V
UV+
1.9
2.1
2.3
V
V
UV-
1.6
1.8
2.0
V
Regulation Voltage Accuracy
Initial accuracy at V
IN
= V
O
+ 0.5V, I
O
= 10mA, T
J
= 25°C
V
IN
= V
O
+ 0.5V to 5.5V, I
O
= 10
μ
A to 400mA, T
J
= 25°C
V
IN
= V
O
+ 0.5V to 5.5V, I
O
= 10
μ
A to 400mA, T
J
= -40°C to 125°C
-0.7
+0.7
%
-0.8
+0.8
%
-1.8
+1.8
%
Maximum Output Current
I
MAX
Continuous
400
mA
Internal Current Limit
I
LIM
470
540
750
mA
Drop-out Voltage (Note 6)
V
DO1
I
O
= 400mA; 2.5V
≤
V
O
≤
2.8V
I
O
= 400mA; 2.8V
<
V
O
250
400
mV
V
DO2
200
325
mV
Thermal Shutdown Temperature
T
SD+
145
°C
T
SD-
110
°C
AC CHARACTERISTICS
Ripple Rejection (Note 5)
I
O
= 10mA, V
IN
= 2.8V(min), V
O
= 1.8V
@ 1kHz
75
dB
@ 10kHz
60
dB
@ 100kHz
40
dB
Output Noise Voltage (Note 5)
I
O
= 100μA, V
O
= 1.5V, T
A
= 25°C
BW = 10Hz to 100kHz
40
μ
Vrms
DEVICE START-UP CHARACTERISTICS
Device Enable TIme
T
EN
Time from assertion of the ENx pin to when the output voltage
reaches 95% of the VO (nom)
250
500
μ
s
LDO Soft-start Ramp Rate
T
SSR
Slope of linear portion of LDO output voltage ramp during start-up
30
60
μ
s/V
ISL9007
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