CAT6219 Datasheet, PDF (3/10 Pages) Catalyst Semiconductor – 500mA CMOS LDO Regulator

CAT6219
ELECTRICAL OPERATING CHARACTERISTICS ⁽¹⁾
V_IN = V_OUT + 1.0V, V_EN = High, I_OUT = 100μA, C_IN = 1µF, C_OUT = 2.2µF, ambient temperature of 25ºC (over
recommended operating conditions unless specified otherwise). Bold numbers apply for the entire junction
temperature range.
Symbol Parameter
Conditions
Min Typ Max Unit
V_OUT-ACC Output Voltage Accuracy
Initial accuracy
-1.0
+1.0
%
-2.0
+2.0
TC_OUT Output Voltage Temp. Coefficient
V_R-LINE Line Regulation
V_IN = V_OUT + 1.0V to 5.5V
40
ppm/ºC
-0.2 ±0.1 +0.2
%/V
-0.4
+0.4
V_R-LOAD Load Regulation
I_OUT = 100μA to 500 mA
1
1.5
%
2
V_DROP Dropout Voltage ⁽²⁾
I_OUT = 500mA
300 400
mV
500
I_GND Ground Current
I_GND-SD Shutdown Ground Current
I_OUT = 0μA
I_OUT = 500mA
V_EN < 0.4V
55 75
90
μA
85
1
μA
2
PSRR Power Supply Rejection Ratio
I_SC Output short circuit current limit
T_ON Turn-On Time
e_N
Output Noise Voltage ⁽³⁾
R_OUT-SH Shutdown Switch Resistance
R_EN Enable pull-down resistor
V_IN-UVLO Under voltage lockout threshold
ESR C_OUT equivalent series resistance
Enable Input
f = 1kHz, C_BYP = 10nF
f = 20kHz, C_BYP = 10nF
V_OUT = 0V
C_BYP = 10nF
BW = 10Hz to 100kHz
64
dB
54
600 800
mA
150
μs
45
μVrms
250
Ω
2.5
MΩ
2.15
V
5
500 mΩ
V_HI Logic High Level
V_LO Logic Low Level
I_EN Enable Input Current
Thermal Protection
V_IN = 2.3 to 5.5V
V_IN = 2.3 to 5.5V
V_EN = 0.4V
V_EN = V_IN
1.8
V
0.4
V
0.15 1
μA
1.5
4
T_SD
T_HYS
Thermal Shutdown
Thermal Hysteresis
160
ºC
10
ºC
Notes:
(1) Specification for 2.85V output version unless specified otherwise.
(2) Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal value measured at
1V differential. During test, the input voltage stays always above the minimum 2.3V.
(3) Specification for 1.8V output version.
© 2007 Catalyst Semiconductor, Inc.
3
Characteristics subject to change without notice
Doc. No. 10009 Rev. A