RH1085 Datasheet, PDF (2/4 Pages) Linear Technology – 3A Low Dropout Positive Adjustable Regulator

RH1085
TABLE 1: ELECTRICAL CHARACTERISTICS (Preirradiation)
PARAMETER
Reference Voltage
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
Thermal Regulation
Ripple Rejection
Adjust Pin Current
Adjust Pin Current
Change
Temperature Stability
Long Term Stability
RMS Output Noise
(% of V_OUT)
Thermal Resistance
CONDITIONS
T_J = 25°C
NOTES MIN TYP MAX
I_OUT = 10mA, (V_IN – V_OUT) = 3V
10mA ≤ I_OUT ≤ I_{FULL LOAD},
1.5V ≤ (V_IN – V_OUT) ≤ 25V
I_LOAD = 10mA, 1.5V ≤ (V_IN – V_OUT) ≤ 15V
15V ≤ (V_IN – V_OUT) ≤ 30V
(V_IN – V_OUT) = 3V,
10mA ≤ I_OUT ≤ I_{FULL LOAD}
ΔV_REF = 1%, I_OUT = I_{FULL LOAD}
(V_IN – V_OUT) = 5V
(V_IN – V_OUT) = 25V
(V_IN – V_OUT) = 25V
T_A = 25°C, 30ms Pulse
f = 120Hz, C_ADJ = 25μF,
C_OUT = 25μF Tantalum,
I_OUT = I_{FULL LOAD}, (V_IN – V_OUT) = 3V
T_J = 25°C
10mA ≤ I_OUT ≤ I_{FULL LOAD},
1.5V ≤ (V_IN – V_OUT) ≤ 25V
5
1,2
1,2,5
3
5
5
1.238 1.250 1.262
1.225
1.270
0.015 0.2
0.5
0.1 0.3
1.5
3.2
0.2
10
0.004 0.02
60
55 120
5
T_A = 125°C, 1000 Hrs
T_A = 25°C, 10Hz ≤ f ≤ 10kHz
4
0.003
SUB- –55°C ≤ T_J ≤ 125°C SUB-
GROUP MIN TYP MAX GROUP
1
1.225
1.270 2,3
1
0.035 0.2
2,3
1
0.050 0.5
2,3
1
0.2 0.4
2,3
1
1.3 1.5
2,3
1
3.2 4.0
2,3
1
0.2 0.5
2,3
1
5.0 10
2,3
4
4
60 75
5,6
1
120
2,3
1
0.2 5
2,3
0.5
0.3
Control Circuitry/Power Transistor
4
0.9/3.0
UNITS
V
V
%
%
%
V
A
A
mA
%/ W
dB
μA
μA
%
%
%
°C/W
Total Dose Bias Circuit
15V
RH1085
ADJ
V_OUT
150Ω
–15V RH1085 BC
TABLE 1A: ELECTRICAL CHARACTERISTICS (Postirradiation) T_A = 25°C unless otherwise noted.
PARAMETER
CONDITIONS
10KRAD(Si)
20KRAD(Si)
50KRAD(Si) 100KRAD(Si) 200KRAD(Si)
MIN MAX MIN MAX MIN
MAX MIN MAX MIN MAX UNITS
Reference Voltage (Note 5)
I_OUT = 10mA (V_IN – V_OUT) = 3V 1.234 1.258 1.230 1.257 1.225 1.253 1.220 1.247 1.205 1.241
V
10mA ≤ I_OUT ≤ I_{FULL LOAD}
1.7V ≤ (V_IN – V_OUT) ≤ 15V
1.220 1.275 1.219 1.275 1.215 1.275 1.210 1.275 1.20 1.275 V
Line Regulation (Notes 1, 2)
I_OUT = 10mA
1.5V ≤ (V_IN – V_OUT) ≤ 15V
0.2
0.21
0.23
0.25
0.3
%
2