MIC2954
Micrel
Absolute Maximum Ratings
(Note 1)
Input Voltage (V
IN
) ........................................ –20V to +60V
Feedback Voltage (V
FB
),
Note 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
),
Note 4
............... Internally Limited
Storage Temperature (T
S
) ....................... –65°C to +150°C
Lead Temperature (soldering, 5 sec.) ....................... 260°C
ESD,
Note 3
Operating Ratings
(Note 2)
Input Voltage (V
IN
) ....................................... +2.0V to +30V
Junction Temperature (T
J
) ....................... –40°C to +125°C
Package Thermal Temperature (θ
JC,
θ
JA
) ................
Note 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
Conditions
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
∆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)
I
LIMIT
Ground Pin Current at Dropout,
Note 10
Current Limit,
Note 11
V
IN
= 4.5V
V
OUT
= 0V
Min
4.975
4.940
4.930
4.950
4.900
4.880
Typ
5.000
5.000
5.000
5.000
20
20
0.03
0.03
0.04
0.04
60
220
250
375
140
0.5
1.7
5
180
Max
5.025
5.060
5.070
5.050
5.100
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
300
750
800
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
mA
mA
August 1999
3
MIC2954
MICREL [ MICREL SEMICONDUCTOR ]
