MIC2937A Datasheet, PDF (3/9 Pages) Micrel Semiconductor – 750mA Low-Dropout Voltage Regulator

MIC2937A/29371/29372
Electrical Characteristics
Micrel
Limits in standard typeface are for T_J = 25°C and limits in boldface apply over the full operating temperature range.
Unless otherwise specified, V_IN = V_OUT + 1V, I_L = 5mA, C_L = 10µF. The MIC29372 are programmed for a 5V output voltage,
and
V
SHUTDOWN
≤
0.6V
(MIC29371-xx
and
MIC29372
only).
Symbol
V
O
∆V_O
∆T
∆V_O
V_O
∆V_O
V_O
Parameter
Output Voltage
Accuracy
Conditions
Variation from factory trimmed V
OUT
5mA ≤ I_L ≤ 500mA
MIC2937A-12 and 29371-12 only:
Output Voltage
Temperature Coef.
Line Regulation
5mA ≤ I_L ≤ 500mA
(Note 2)
Output voltage > 10V
V_IN = V_OUT + 1V to 26V
Load Regulation
I = 5 to 500mA
L
(Note 3)
Min Typical
–1
–2
–2.5
–1.5
–3
–4
20
80
0.03
0.04
Max Units
1
%
2
2.5
1.5
3
4
100 ppm/°C
350
0.10
%
0.40
0.16
%
0.30
V_IN – V_O
Dropout Voltage
(Note 4)
I_L = 5mA
I = 100mA
L
Output voltage > 10V
I_L = 500mA
Output voltage > 10V
I_L = 750mA
80
150
mV
180
200
240
300
420
370
600
750
I
GND
I_GNDDO
I_LIMIT
∆V_O
∆P_D
e
n
Ground Pin Current
(Note 5)
I = 5mA
L
I_L = 100mA
I_L = 500mA
I = 750mA
L
Ground Pin
Current at Dropout
(Note 5)
Current Limit
Thermal Regulation
V_IN = 0.5V less than designed V_OUT
(V_OUT ≥ 3.3V)
I = 5mA
O
V_OUT = 0V
(Note 6)
(Note 7)
Output Noise
Voltage
(10Hz to 100kHz)
I_L = 100mA
C
L
=
10µF
C_L = 100µF
160
250
µA
300
1
2.5
mA
3
8
13
16
15
25
200
500
µA
1.1
1.5
A
2
0.05
0.2 %/W
400
µV RMS
260
MIC2937A/29371/29372
20
October 1999