MIC5249 Micrel Semiconductor, MIC5249 Datasheet - Page 3

• Manufacturer Part Number: MIC5249
• Description: 300MA UCAP LDO WITH PROGRAMMABLE POWER ON RESET DELAY
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
Supply Input Voltage (V
Power Dissipation (P
Junction Temperature .............................. –40 C to +125 C
Lead Temperature (soldering, 5 sec.) ....................... 260 C
Storage Temperature (T
ESD Rating
Electrical Characteristics
V
Parameter
Output Voltage Accuracy
Line Regulation
Load Regulation
Dropout Voltage
Ground Pin Current
Ground Pin Current in Shutdown
Ripple Rejection
Current Limit
Enable Input
Enable Input Voltage
Enable Input Current
Delay Input
Delay Pin Current Source
Delay Pin Threshold Voltage
RESET Output
V
V
I
Notes:
1. Exceeding maximum rating may damage the device.
2. The device is not guaranteed to work outside its operating rating.
3. The maximum allowable power dissipation of any T
4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
March 2004
MIC5249
RESET
IN
TH
OL
power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
= V
OUT
+1.0V; C
(4)
OUT
D
) ........................ Internally Limited
= 1.0 F, I
IN
S
) ......................... –65 C to 150 C
) .................................. 0V to +7V
OUT
Conditions
Variation from nominal V
V
I
I
I
I
I
I
V
f = 120Hz, C
V
Logic low (regulator shutdown)
Logic high (regulator enabled)
V
V
Threshold for RESET = Logic high
Low threshold, % of V
High threshold, % of V
RESET output logic – low voltage; I
output in fault condition
Flag leakage current, Flag OFF
OUT
OUT
OUT
OUT
OUT
OUT
IN
EN
OUT
IL
IH
= 100 A; T
< 0.4V (regulator shutdown)
= V
> 1.6V (regulator enabled)
< 0.4V (Regulator OFF)
= 0.1mA to 300mA
= 100 A
= 150mA
= 300mA
= 0mA
= 300mA
= 0V
(1)
OUT
+1V to 6V
OUT
A
J
(ambient temperature) is P
= 25 C, bold values indicate –40 C to + 125 C; unless noted.
= 2.2 F
OUT
OUT
OUT
(Flag ON)
(3)
(Flag OFF)
3
Operating Ratings
Supply Input Voltage (V
Enable Input Voltage (V
Junction Temperature (T
Package Thermal Resistance
RESET
MSOP-8 (
D
(max) = T
= 100 A
J
JA
(max) – T
) ................................................... 200 C/W
A
)
IN
EN
J
(2)
) ............................. +2.7V to +6V
) ....................... –40 C to +125 C
JA
) .................................. 0V to V
. Exceeding the maximum allowable
–1.0
–3.0
–0.3
300
Min
1.6
89
0.020
0.02
0.35
0.01
0.01
0.55
1.40
0.01
Typ
160
340
100
440
1.5
85
65
91
93
1
+1.0
+3.0
+0.3
Max
225
275
500
600
150
200
3.0
0.4
0.1
96
M0382-033004
1
1
Micrel
Units
%/V
mV
mV
mV
mV
mV
mA
dB
%
%
%
%
%
V
V
V
V
A
A
A
A
A
A
A
IN