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SPX29300 Datasheet(PDF) 3 Page - Sipex Corporation

tên linh kiện SPX29300
Nội dung chi tiết  3A High Current, Low Dropout Voltage Regulator
tải về  11 Pages
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nhà sản xuất  SIPEX [Sipex Corporation]
Trang chủ  http://www.sipex.com
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Date: 9/5/06 Rev C
SPX29300/01/02/03 3A Low Dropout Voltage Regulator
© 2006 Sipex Corporation
at VIN=VOUT + 1V and IOUT = 10mA, CIN = 6.8μF, COUT = 10μF, TA = 25°C, unless otherwise specified. The Boldface applies
over the junction temperature range. Adjustable versions are set to 5.0V.
PARAMETER
CONDITIONS
TYP
MIN
MAX
UNITS
FLAG OUTPUT (ERROR COMPARATOR)
SPX29301/03
Output Leakage
VOH=16V
0.01
1
μA
Current
2
Output Low Voltage
Device set for 5V,VIN=4.5V, IOL=250μA
220
300
mV
400
Upper Threshold
Device set for 5V, (Note 9)
60
40
mV
Voltage
25
Lower Threshold
Device set for 5V, (Note 9)
75
95
mV
Voltage
140
Hysteresis
Device set for 5V, (Note 9)
15
mV
ENABLE Input
SPX29301/02
Input Logic Voltage
Low (OFF)
VIN<10V
0.8
V
High (ON)
2.4
ENABLE Input Pin
VEN=16V
100
600
μA
750
VEN=0.8V
1
μA
2
Regulator Output
(Note 10)
10
500
μA
Current in Shutdown
Thermal Resistance
TO-200 Junction to Case, at Tab
3
°C/W
TO-220 Junction to Ambient
60
TO-263 Junction to Case, at Tab
3
TO-263 Junction to Ambient
60
NOTES:
Note 1: Maximum positive supply voltage of 20V must be of limited duration (<100ms) and duty cycle of less than 1%. The maximum continuous supply
voltage is 16V.
Note 2: Full load current (IFL) 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: VIN = VOUT (NOMINAL) +1V. For example, use VIN = 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 VIN = 20V (a 4W pulse) for t = 10ms.
Note 8: VREF≤ VOUT ≤ (VIN-1), 2.3V≤VIN ≤ 16V, 10mA ≤ IL ≤ IFL, Tj < Tjmax.
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 = VOUT/VREF = (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
VOUT as VOUT is varied, with the dropout warning occurring at typically 5% below nominal, 7.7% guaranteed.
Note 10: VEN ≤ 0.8V and VIN ≤ 16V, VOUT = 0.
Reference
Thermal
Shutdown
EN
IN
OUT
ADJ
GND
O.V
I
LIMIT
28V
R1*
R2*
1.180V
1.240V
+
+
-
-
FLAG
BLOCK DIAGRAM
ELECTRICAL CHARACTERISTICS



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