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RH1085 Datasheet(PDF) 2 Page - Linear Technology

Part # RH1085
Description  3A Low Dropout Positive Adjustable Regulator
PDF  4 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

RH1085 Datasheet(HTML) 2 Page - Linear Technology

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



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