mic68400 Micrel Semiconductor, mic68400 Datasheet - Page 6
mic68400
Manufacturer Part Number
mic68400
Description
4a Sequencing Ldo With Tracking And Ramp Control?
Manufacturer
Micrel Semiconductor
Datasheet
1.MIC68400.pdf
(15 pages)
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Absolute Maximum Ratings
Supply Voltage (V
Enable Input Voltage (V
POR (V
RC ....................................................................... V
Power Dissipation .................................. Internally Limited
Junction Temperature .........................–40°C ≤ T
Storage Temperature (T
ESD Rating
Micrel, Inc.
September 2007
Electrical Characteristics
T
Parameter
Output Voltage Accuracy
Feedback Voltage
Feedback Current
Output Voltage Line Regulation
Output Voltage Load Regulation
V
Ground Pin Current
Shutdown Current
Current Limit
Start-up Time
Enable Input
Enable Input Threshold
Enable Hysteresis
Enable Input Current
POR Output
I
V
V
Delay Current
Delay Voltage (Note 6)
POR(LEAK)
A
IN
POR(LO)
POR
= 25°C with V
– V
:
POR
O
; Dropout Voltage
)........................................................... V
(4)
V
V
................................................................. 2kV
OUT
OUT
IN
Ramping Up
Ramping Down
IN
) .........................................................6V
= V
EN
S
OUT
)...................–65°C ≤ T
)...............................................6V
+ 1V; V
Conditions
10mA < I
Adjustable version only
Adjustable version only
V
I
I
I
I
I
I
I
I
V
V
V
Regulator enable
Regulator shutdown
V
V
V
Output Logic-Low Voltage (undervoltage condition),
I
Threshold, % of V
Hysteresis
V
V
L
L
L
L
L
L
L
L
POR
EN
IN
EN
OUT
EN
IL
IH
POR
DELAY
POR
= 10mA to 3A
= 1.5A
= 3.0A
= 4.0A
= 10mA
= 1.5A
= 3.0A
= 4.0A
(5)
≤ 0.2V (Regulator shutdown)
= V
≥ 1V (Regulator enable)
(1)
= V
= 0V; V
= V
= 1mA
= 0V; V
= 5.5V; POR = High
= High
OUT
= 0.75V
IN
IN
OUT
; C
; I
+ 1V to 5.0V
OUT
RC
OUT
IN
< I
J
J
= 3.0V
= Open
= 10mA; bold values indicate –40°C ≤ T
L(max)
≤ +125°C
≤ +150°C
= 0V
IN
IN
OUT
+ 0.3V
+ 0.3V
, V
below nominal
OUT
(3)
+ 1 ≤ V
6
Operating Ratings
Supply voltage (V
Enable Input Voltage (V
Ramp Control (V
Junction Temperature Range ............–40°C ≤ T
Package Thermal Resistance
IN
4x4 MLF-16 (θ
≤ 5.5V
RC
IN
JA
)............................................. 0V to 5.5V
) ....................................... 1.65V to 5.5V
) ..............................................30°C/W
EN
(2)
)..................................... 0V to V
J
1.185
0.49
Min
4.0
7.5
0.7
≤ +125°C, unless noted.
20
10
-2
1
1.235
0.50
0.06
0.01
0.02
12.5
Typ
300
360
120
0.5
1.2
6.0
20
20
55
90
35
60
10
3
3
1
M9999-090607-C
1.285
Max
0.51
12.5
400
500
800
130
150
200
0.5
0.2
1.3
+2
10
90
15
1
1
2
MIC68400
J
≤ +125°C
Units
mV
mV
mV
mA
mA
mA
mA
mV
mV
nA
µA
µA
µA
µA
µA
µA
µs
%
%
%
%
%
%
V
A
V
V
V
IN