MIC5219_09 Datasheet, PDF (4/14 Pages) Micrel Semiconductor – 500mA-Peak Output LDO Regulator

Micrel, Inc.
Absolute Maximum Ratings⁽¹⁾
Supply Input Voltage (V_IN)..............................–20V to +20V
Power Dissipation (P_D)............................. Internally Limited
Junction Temperature (T_J)......................... –40°C to +125°C
Storage Temperature (T_S)......................... –65°C to +150°C
Lead Temperature (Soldering, 5 sec.)........................ 260°C
MIC5219
Operating Ratings⁽²⁾
Supply Input Voltage (V_IN)............................ +2.5V to +12V
Enable Input Voltage (V_EN)....................................0V to V_IN
Junction Temperature (T_J)......................... –40°C to +125°C
Package Thermal Resistance........................... see Table 1
Electrical Characteristics⁽³⁾
V_IN = V_OUT + 1.0V; C_OUT = 4.7µF, I_OUT = 100µA; T_J = 25°C, bold values indicate –40°C ≤ T_J ≤ +125°C; unless noted.
Symbol
Parameter
Conditions
Min Typical Max
V_OUT
Output Voltage Accuracy
variation from nominal V_OUT

–1
1
–2
2
ΔV_OUT/ΔT Output Voltage
Note 4
40
ppm/°C
Temperature Coefficient
ΔV_OUT/V_OUT Line Regulation
V_IN = V_OUT + 1V to 12V
0.009 0.05

0.1
ΔV_OUT/V_OUT Load Regulation
I_OUT = 100µA to 500mA, Note 5
0.05 0.5

0.7
V_IN – V_OUT Dropout Voltage⁽⁶⁾
I_OUT = 100µA
10
60

80

I_OUT = 50mA
115 175

250

I_OUT = 150mA
175 300

400

I_OUT = 500mA
350 500

600
I_GND
Ground Pin Current^{(7, 8)}
V_EN ≥ 3.0V, I_OUT = 100µA
80
130

170

V_EN ≥ 3.0V, I_OUT = 50mA
350 650

900

V_EN ≥ 3.0V, I_OUT = 150mA
1.8
2.5

3.0

V_EN ≥ 3.0V, I_OUT = 500mA
12
20

25
Ground Pin Quiescent Current⁽⁸⁾
V_EN ≤ 0.4V
0.05
3

V_EN ≤ 0.18V
0.10
8
PSRR
Ripple Rejection
f = 120Hz
75
I_LIMIT
Current Limit
ΔV_OUT/ΔP_D
e_no
Thermal Regulation
Output Noise⁽¹⁰⁾

ENABLE Input
V_OUT = 0V
Note 9
I_OUT = 50mA, C_OUT = 2.2µF, C_BYP = 0
I_OUT = 50mA, C_OUT = 2.2µF, C_BYP = 470pF
700 1000
0.05
500
300
V_ENL
Enable Input Logic-Low Voltage
V_EN = logic low (regulator shutdown)
0.4

0.18

V_EN = logic high (regulator enabled)
2.0
I_ENL
Enable Input Current
V_ENL ≤ 0.4V
0.01 –1

V_ENL ≤ 0.18V
0.01 –2
I_ENH
V_ENH ≥ 2.0V
2
5
20

25
Units
%
%
%/V
%
mV
mV
mV
mV
µA
µA
mA
mA
µA
µA
dB
mA
%/W
nV/ Hz
nV/ Hz
V
V
µA
µA
µA
June 2009
4
M0371-061809