Datasheet

Micrel MIC5205
February 2006 3
M9999-020806
[phone]
Absolute Maximum Ratings
(1)
Supply Input Voltage (V
IN
).............................. –20V to +20V
Enable Input Voltage (V
EN
)............................. –20V to +20V
Power Dissipation (P
D
) .................Internally Limited, Note 3
Lead Temperature (soldering, 5 sec.)........................ 260°C
Junction Temperature (T
J
) ........................–40°C to +125°C
Storage Temperature (T
S
).........................–65°C to +150°C
Operating Ratings
(2)
Input Voltage (V
IN
)......................................... +2.5V to +16V
Enable Input Voltage (V
EN
).....................................0V to V IN
Junction Temperature (T
J
) ........................ –40°C to +125°C
Thermal Resistance, SOT-23-5 (θ
JA
) ........................ Note 3
Electrical Characteristics
(4)
V
IN
= V
OUT
+ 1V; I
L
= 100µA; C
L
= 1.0µF; V
EN
≥ 2.0V; T
J
= 25°C, bold values indicate –40°C ≤ T
J
≤ +125°C; unless noted.
Symbol Parameter Condition Min Typ Max Units
V
O
Output Voltage Accuracy variations from specified V
OUT
–1
–2
1
2
%
%
∆V
O
/∆T
Output Voltage Temperature
Coefficient
Note 4
40
ppm/°C
∆V
O
/V
O
Line Regulation V
IN
= V
OUT
+ 1V to 16V 0.004
0.012
0.05
%/V
%/V
∆V
O
/V
O
Load Regulation I
L
= 0.1mA to 150mA, Note 5 0.02
0.2
0.5
%
%
V
IN
– V
O
Dropout Voltage, Note 6
I
L
= 100µA
I
L
= 50mA
I
L
= 100mA
I
L
= 150mA
10
110
140
165
50
70
150
230
250
300
275
350
mV
mV
mV
mV
mV
mV
mV
mV
I
GND
Quiescent Current
V
EN
≤ 0.4V (shutdown)
V
EN
≤ 0.18V (shutdown)
0.01
1
5
µA
µA
I
GND
Ground Pin Current, Note 7
V
EN
≥ 2.0V, I
L
= 100µA
I
L
= 50mA
I
L
= 100mA
I
L
= 150mA
80
350
600
1300
125
150
600
800
1000
1500
1900
2500
µA
µA
µA
µA
µA
µA
µA
µA
PSRR Ripple Rejection Frequency = 100Hz, I
L
= 100µA 75 dB
I
LIMIT
Current Limit V
OUT
= 0V
320
500 mA
∆V
O
/∆P
D
Thermal Regulation Note 8 0.05 %/W
e
NO
Output Noise
I
L
= 50mA, C
L
= 2.2µF, 470pF from BYP to
GND
260
H
z
nV/
ENABLE Input
V
IL
Enable Input Logic-Low Voltage regulator shutdown
0.4
0.18
V
V
V
IH
Enable Input Logic-High
Voltage
regulator enabled
2.0
V
I
IL
I
IH
Enable Input Current
V
IL
≤ 0.4V
V
IL
≤ 0.18V
V
IL
= 2.0V
V
IL
= 2.0V
2
0.01
5
–1
–2
20
25
µA
µA
µA
µA