Micrel, Inc.
MIC5219
Absolute Maximum Ratings(1)
Operating Ratings(2)
Supply Input Voltage (V )..............................–20V to +20V
Supply Input Voltage (V )............................ +2.5V to +12V
IN
IN
Power Dissipation (P )............................. Internally Limited
Enable Input Voltage (V )....................................0V to V
D
EN
IN
Junction Temperature (T )........................ –40°C to +125°C
Junction Temperature (T )........................ –40°C to +125°C
J
J
Storage Temperature (T ) ........................ –65°C to +150°C
Package Thermal Resistance........................... see Table 1
S
Lead Temperature (Soldering, 5 sec.) ....................... 260°C
Electrical Characteristics(3)
VIN = VOUT + 1.0V; COUT = 4.7µF, IOUT = 100µA; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted.
Symbol
Parameter
Conditions
Min Typical Max
Units
VOUT
Output Voltage Accuracy
variation from nominal VOUT
–1
–2
1
2
%
%
ΔVOUT/ΔT
ppm/°C
Output Voltage
Note 4
40
Temperature Coefficient
ΔVOUT/VOUT Line Regulation
VIN = VOUT + 1V to 12V
IOUT = 100µA to 500mA, Note 5
IOUT = 100µA
0.009
0.05
10
0.05
0.1
%/V
%
ΔVOUT/VOUT Load Regulation
0.5
0.7
VIN – VOUT
Dropout Voltage(6)
60
80
mV
mV
mV
mV
µA
IOUT = 50mA
115
175
350
80
175
250
IOUT = 150mA
300
400
IOUT = 500mA
500
600
IGND
Ground Pin Current(7, 8)
VEN ≥ 3.0V, IOUT = 100µA
VEN ≥ 3.0V, IOUT = 50mA
VEN ≥ 3.0V, IOUT = 150mA
VEN ≥ 3.0V, IOUT = 500mA
130
170
350
1.8
650
900
µA
2.5
3.0
mA
mA
12
20
25
Ground Pin Quiescent Current(8)
VEN ≤ 0.4V
0.05
0.10
75
3
µA
µA
dB
mA
VEN ≤ 0.18V
8
PSRR
ILIMIT
Ripple Rejection
Current Limit
f = 120Hz
VOUT = 0V
700
0.05
500
300
1000
ΔVOUT/ΔPD
eno
Thermal Regulation
Output Noise(10)
Note 9
%/W
nV/ Hz
IOUT = 50mA, COUT = 2.2µF, CBYP = 0
IOUT = 50mA, COUT = 2.2µF, CBYP = 470pF
nV/ Hz
ENABLE Input
VENL
Enable Input Logic-Low Voltage
VEN = logic low (regulator shutdown)
0.4
0.18
V
VEN = logic high (regulator enabled)
VENL ≤ 0.4V
2.0
2
V
IENL
IENH
Enable Input Current
0.01
0.01
5
–1
µA
µA
µA
VENL ≤ 0.18V
–2
VENH ≥ 2.0V
20
25
June 2009
4
M0371-061809
MICREL [ MICREL SEMICONDUCTOR ]
