參數(shù)資料
型號： SPX29302A
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 3A High Current, Low Dropout Voltage Regulator Adjustable, Fast Response Time
中文描述： 第3A大電流，低壓差線性穩(wěn)壓器可調(diào)，快速響應(yīng)時間
文件頁數(shù)： 2/7頁
文件大?。?/td> 57K
代理商： SPX29302A
Date: 5/25/04
SPX29302A 3Amp LDO Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
2
ABSOLUTE MAXIMUM RATINGS
Lead Temperature (soldering, 5 seconds) ................260
°
C
Storage Temperature Range........................-65
°
C to +150
°
C
Operating Junction Temperature Range......-40
°
C to +125
°
C
Input Voltage (Note 7) .................................................... 16V
(Note 1) at V
IN
=V
OUT
+ 1V and I
OUT
= 10mA, C
IN
= 6.8
μ
F, C
OUT
= 10
μ
F, T
j
= 25
°
C, unless otherwise specified. The Boldface
applies over the junction temperature range.
SPX29302A
MAX
0.5
1
100
175
PARAMETER
Line Regulation
Load Regulation
V/
T
Dropout Voltage, except
1.8V, (Note 3)
CONDITIONS
I
OUT
=10mA,(V
OUT
+1V)
≤
V
IN
≤
16V
V
IN
=V
OUT
+5V, 10mA
≤
I
OUT
≤
I
FL
(Note 2)
V
OUT
Temp Coefficient (Note 6)
I
OUT
=100mA
I
OUT
=1.5A
I
OUT
=3.0A
I
OUT
=1.5A, V
IN
=V
OUT
+1V
I
OUT
=3.0A
V
IN
=0.5V less than specified V
OUT,
I
OUT
=10mA
V
OUT
=0V (Note 4)
C
L
=10
μ
F
TYP
0.06
0.2
20
50
250
370
10
37
1.7
MIN
UNITS
%
%
ppm/
°
C
mV
600
35
Ground Current
(Note 5)
Ground Pin Current
at Dropout
Current Limit
Output Noise Voltage
(10Hz to 100kHz)
I
L
=100mA
Reference Voltage
mA
mA
4.0
400
5.0
A
μ
V
RMS
C
L
=33
μ
F
260
1.240
1.228
1.215
1.203
1.252
1.265
1.277
80
120
V
MAX
Reference Voltage
Adjust Pin Bias Current
(Note 8)
V
nA
40
Reference Voltage
Temp. Coeff.
Adjust Pin Bias
Current Temp. Coeff.
ENABLE Input
Input Logic Voltage
Low (OFF)
High (ON)
ENABLE Input Pin
(Note 7)
20
ppm/
°
C
0.1
nA/
°
C
V
IN
<10V
0.8
V
2.4
V
EN
=16V
100
600
750
1
2
500
μ
A
V
EN
=0.8V
μ
A
Regulator Output
Current in Shutdown
Thermal Resistance
(Note 10)
10
μ
A
TO-220 Junction to Case, at Tab
TO-220 Junction to Ambient
TO-263 Junction to Case, at Tab
TO-263 Junction to Ambient
2
°
C/W
60
2
60
NOTES:
Note 1: Maximum positive supply voltage of 20V must be of limited duration (<100msecond) < 1% and duty cycle of less than 1%. The maximum continuous
supply voltage is 16V.
Note 2: Full load current (I
) is defined as 3.0A.
Note 3: Dropout voltage is defined as the input to output differential when the output voltage drops to 99% of its nominal value.
Note 4: V
= V
+1V. For example, use V
= 4.3V for a 3.3V regulator. Employ pulse-testing procedures to minimize temperature rise.
Note 5: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the load current to the ground current.
Note 6: Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range
Note 7: Thermal regulation is defined as the change in output voltage at time T after a change in power dissipation is applied, excluding load / line regulation effects.
Specifications for a 200mA load pulse as V
= 16V (a 4W pulse) for t = 10ms.
Note 8: V
≤
V
≤
(V
-1), 2.3V
≤
V
≤
16V, 10mA
≤
I
≤
I
, T
≤
T
.
Note 9: Comparator threshold is expressed in terms of a voltage differential at the Adjust terminal below the nominal reference voltage measured 6V input. To
express these thresholds in terms of output voltage change, multiply the error amplifier gain = V
/V
= (R1 + R2)/R2. For example, at a programmable
output voltage of 5V, the Error output is guaranteed to go low when the output drops by 95mVx 5V/ 1.240V = 38mV. Threshold remain constant as a percent of
V
as V
OUT
is varied, with the dropout warning occurring at typically 5% below nominal, 7.7% guaranteed.
Note 10: V
EN
≤
IN
≤
16V, V
OUT
= 0.
ELECTRICAL CHARACTERISTICS
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