Micrel, Inc.
MIC2954
Absolute Maximum Ratings
(1)
Supply Voltage (V
IN
) ....................................... –20V to +60V
Feedback Voltage (V
FB
)
(14, 15)
........................ –1.5V to +26V
Shutdown Input Voltage (V
SHDN
).................... –0.3V to +30V
Error Output Voltage (V
ERR
) .......................... –0.3V to +30V
Power Dissipation (P
D
)
(4)
..........................Internally Limited
Lead Temperature (soldering, 5 sec.)........................ 260°C
Storage Temperature (T
s
) .........................–65°C to +150°C
ESD Rating
(3)
Operating Ratings
(2)
Supply Voltage (V
IN
)...................................... +2.0V to +30V
Junction Temperature (T
J
) ........................ –40°C to +125°C
Package Thermal Resistance (θ
JC
,
θ
JA
)
(5)
Electrical Characteristics
MIC2954-07/08: V
FB
= V
TAP
; V
SNS
= V
OUT
; V
SHDN
≤
0.6V. All versions: V
IN
= 6V; I
L
= 1mA; C
L
= 2.2µF; T
J
= 25°C,
bold
values indicate –40°C
≤
T
J
≤
+125°C;
Note 8;
unless noted.
Symbol
V
OUT
Parameter
Output Voltage
Condition
MIC2954-02/-07 (±0.5%)
MIC2954-02/-07 (±0.5%), 1mA
≤
I
L
≤
250mA
MIC2954-03/-08 (±1%)
MIC2954-03/-08 (±1%), 1mA
≤
I
L
≤
250mA
Min
4.975
4.940
Typ
5.000
Max
5.025
5.060
Units
V
V
V
V
V
V
ppm/°C
ppm/°C
%/V
%/V
%/V
%/V
%/V
%/V
%/V
%/V
mV
mV
mV
mV
mV
mV
mV
mV
µA
µA
mA
mA
mA
mA
mA
mA
µA
4.930
4.950
4.900
5.000
5.000
5.070
5.050
5.100
4.880
5.000
20
20
0.03
0.03
0.04
0.04
60
220
250
375
140
0.5
1.7
5
180
5.120
100
150
0.10
0.20
0.20
0.40
0.16
0.20
0.20
0.30
100
150
250
420
300
450
450
600
200
300
1
2
2.5
3.5
9
12
∆V
OUT
/∆T
∆V
OUT
/V
OUT
Output Voltage Temperature
Coefficient,
Note 6
Line Regulation,
Note 7
MIC2954-02/-07 (±0.5%)
MIC2954-03/-08 (±1%)
MIC2954-02/-07 (±0.5%), V
IN
= 6V to 26V
MIC2954-03/-08 (±1%), V
IN
= 6V to 26V
∆V
OUT
/V
OUT
Load Regulation,
Note 8
MIC2954-02/-07 (±0.5%), I
L
= 1 to 250mA
MIC2954-03/-08 (±1%), I
L
= 1 to 250mA
V
IN
– V
OUT
Dropout Voltage,
Note 9
I
L
= 1mA
I
L
= 50mA
I
L
= 100mA
I
L
= 250mA
I
GND
Ground Pin Current,
Note 10
I
L
= 1mA
I
L
= 50mA
I
L
= 100mA
I
L
= 250mA
I
GND(DO)
Ground Pin Current at Dropout,
Note 10
V
IN
= 4.5V
300
September 2007
4
M9999-090607
MICREL [ MICREL SEMICONDUCTOR ]
