MIC29302WU Micrel Inc, MIC29302WU Datasheet - Page 4

IC REG LDO 3.0A ADJ TO-263-5

MIC29302WU

Manufacturer Part Number
MIC29302WU
Description
IC REG LDO 3.0A ADJ TO-263-5
Manufacturer
Micrel Inc
Datasheets

Specifications of MIC29302WU

Regulator Topology
Positive Adjustable
Voltage - Output
1.25 ~ 26 V
Voltage - Input
Up to 26V
Voltage - Dropout (typical)
0.37V @ 3A
Number Of Regulators
1
Current - Output
3A
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-263-5, D²Pak (5 leads + Tab), TO-263BA
Primary Input Voltage
26V
Output Voltage
12V
Dropout Voltage Vdo
370mV
No. Of Pins
5
Output Current
3A
Voltage Regulator Case Style
TO-263
Operating Temperature Range
-40°C To +125°C
Svhc
No
Output Voltage Fixed
12V
Rohs Compliant
Yes
Voltage Regulator Type
Linear
Topology
LDO
Regulator Output Type
Adjustable
Polarity Type
Positive
Number Of Outputs
Single
Input Voltage (min)
2.5V
Input Voltage (max)
26V
Package Type
TO-263
Load Regulation
1%
Line Regulation
0.5%
Output Voltage Accuracy
±1%
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Dropout Voltage@current (max)
0.175@100mA/0.6@3A
Dropout Voltage@current (typ)
0.08@100mA/0.25@1.5A
Pin Count
5 +Tab
Mounting
Surface Mount
Quiescent Current (max)
35mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Compliant
Other names
576-3369-5
MIC29302WU

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Micrel, Inc.
Notes:
1. Maximum positive supply voltage of 60V must be of limited duration (<100msec) and duty cycle (≤1%). The maximum continuous supply voltage is
2. Full load current (I
3. Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its normal value with V
4. V
5. Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the load current plus the ground pin
6. Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range.
7. Thermal regulation is defined as the change in output voltage at a time T after a change in power siddipation is applied, excluding load or line regulation
8. V
9. Comparator thresholds are expressed in terms of a voltage differential at the Adjust terminal below the nominal reference voltage measured at 6V
10. V
11. When used in dual supply systems where the regulator load is returned to a negative supply, the output voltage must be diode clampled to ground.
12. Specification for packaged product only.
April 2005
Parameter
Reference
Reference Voltage
Reference Voltage
Adjust Pin
Bias Current
Reference Voltage
Temperature Coefficient
Adjust Pin Bias Current
Temperature Coefficient
Flag Output (Error Comparator) MIC29xx1/29xx3
Output Leakage Current
Output Low Voltage
Upper Threshold Voltage Device set for 5V
Lower Threshold Voltage Device set for 5V
Hysteresis
ENABLE Input
Input Logic Voltage
Low (OFF)
High (ON)
Enable Pin
Input Current
Regulator Output
Current in Shutdown
26V.
current.
current.
effects. Specifications are for a200mA load pulse at V
input. To express these thresholds in terms of output voltage change, multiply by the error amplifier gain = V
at a programmed output voltage of 5V, the Error output is guaranteed to go low when the output drops by 95mV x 5V/1.240V = 384mV. Thresholds
remain constant as a percent of V
IN
REF
EN
= V
≤ 0.8V and V
≤ V
OUT (nominal)
OUT
≤ (V
IN
IN
FL
-1V), 2.3V ≤ V
≤ 26V, V
) is defined as 1.5A for the MIC29150, 3A for the MIC29300, 5A for the MIC29500, and 7.5A for the MIC29750 families.
+ 1V. For example, use V
OUT
MIC29xx2/MIC29xx3
MIC29xx1/MIC29xx2
Condition
(8)
(7)
V
Device set for 5V, V
I
Device set for 5V
V
V
(10)
OL
OH
EN
EN
= 0.
OUT
IN
= 250µA
= 26V
= 0.8V
≤ 26V, 10mA < I
= 26V
as V
OUT
IN
is varied, with the dropout warning occurring at typically 5% below nominal, 7.7% guaranteed.
= 4.3V for a 3.3V regulator or use 6V for a 5V regulator. Employ pulse-testing precedures to pin
L
(9)
(9)
(9)
IN
≤I
IN
= 20V (a 4W pulse) for T = 10ms.
FL
, T
= 4.5V
J
≤T
J MAX
.
4
1.228
1.215
1.203
Min
2.4
40
25
OUT
MIC29150/29300/29500/29750
1.240
0.01
/V
Typ
220
0.1
40
20
60
75
15
10
100
REF
= (R1 + R2)/R2. For example,
1.252
1.265
1.277
OUT
Max
1.00
2.00
120
300
400
140
750
500
0.8
80
95
600
2
4
+ 1V applied to V
M9999-042705
ppm/°C
V max
nA/°C
Units
mV
mV
mV
mV
nA
µA
µA
µA
µA
V
V
V
IN
.

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