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Linear Technology Electronic Components Datasheet

RH137 Datasheet

Negative Adjustable Regulator

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RH137
Negative Adjustable
Regulator
DESCRIPTIO
The RH137 negative adjustable regulator will deliver up to
1.5A output current over an output voltage range of –1.2V
to –32V.
Every effort has been made to make these devices easy to
use and difficult to damage. Internal current and power
limiting coupled with true thermal limiting prevents device
damage due to overloads or shorts, even if the regulator is
not fastened to a heat sink.
Maximum reliability is attained with Linear Technology’s
advanced processing techniques combined with a 100%
burn-in in the thermal limit mode. This assures that all
device protection circuits are working and eliminates field
failures experienced with other regulators that receive
only standard electrical testing.
The wafer lots are processed to Linear Technology’s in-
house Class S flow to yield circuits usable in stringent
military applications.
ABSOLUTE AXI U RATI GS
Power Dissipation ............................... Internally Limited
Input-to-Output Voltage Differential ......................... 40V
Operating Junction
Temperature Range ......................... – 55°C to 150°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
, LTC and LT are registered trademarks of Linear Technology Corporation.
BUR -I CIRCUIT
–40V
RH137
VIN OUTPUT
ADJ
2k
243
RH137 BI
PACKAGE/ORDER I FOR ATIO
BOTTOM VIEW
1
2
3
ADJ
VOUT
VIN
CASE IS INPUT
H PACKAGE
3-LEAD TO-39 METAL CAN
VOUT
BOTTOM VIEW
2
1
ADJ
K PACKAGE
2-LEAD TO-3 METAL CAN
(STEEL)
CASE
IS VIN
1


Linear Technology Electronic Components Datasheet

RH137 Datasheet

Negative Adjustable Regulator

No Preview Available !

RH137
TABLE 1: ELECTRICAL CHARACTERISTICS (Preirradiation) (Note 1)
SYMBOL PARAMETER
CONDITIONS
TA = 25°C
SUB- – 55°C T A 150°C
NOTES MIN TYP MAX GROUP MIN TYP MAX
VREF Reference Voltage VIN – VOUT= 5V, IOUT = 10mA
– 1.225
3V VIN – VOUT40V,
10mA I OUT I MAX, P P MAX
– 1.200
V OUT Line Regulation
V IN
3V VIN – VOUT40V
2
V OUT Load Regulation
I OUT
10mA I OUT I MAX, VOUT5V
10mA I OUT I MAX, VOUT5V
2
2
Thermal Regulation 10ms Pulse
– 1.275 1
– 1.300 1 – 1.200
0.02 1
25 1
0.5 1
0.02 1
– 1.300
0.05
50
1
Ripple Rejection
VOUT = – 10V, f = 120Hz, CADJ = 0
60
VOUT = – 10V, f = 120Hz,
CADJ = 10µF
3 66
66
IADJ Adjust Pin Current
100 1
I ADJ Adjust Pin Current 10mA I OUT I MAX
Change
3V VIN – VOUT40V
51
51
IMIN Minimum Load
Current
VIN – VOUT= 40V
VIN – VOUT10V
51
31
Current Limit
VIN – VOUT15V H Package
K Package
0.5 1.5 1 0.5
1.5 3.2 1 1.5
100
5
5
5
3
VIN – VOUT= 40V H Package
K Package
0.15 0.5 1
0.24 1.0 1
V OUT Temperature Stability – 55°C T J 125°C
Temp
3
0.6
V OUT Long Term Stability TA = 125°C
Time
3
1
en RMS Output Noise 10Hz f 10kHz
θJC Thermal Resistance H Package
(Junction to Case) K Package
0.003
3 15
33
SUB-
GROUP
2,3
2,3
2,3
2,3
2,3
2,3
2,3
2,3
2,3
2,3
2,3
UNITS
V
V
%/ V
mV
%
%/W
dB
dB
µA
µA
µA
mA
mA
A
A
A
A
%
%
%
°C/ W
°C/ W
TABLE 1A: ELECTRICAL CHARACTERISTICS (Postirradiation) (Note 4)
SYMBOL PARAMETER
CONDITIONS
10KRAD(Si) 20KRAD(Si) 50KRAD(Si) 100KRAD(Si) 200KRAD(Si)
NOTES MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX UNITS
VREF
V OUT
V IN
V OUT
I OUT
Reference Voltage VIN – VOUT5V,
IOUT = 10mA
3V VIN – VOUT40V,
10mA IOUT IMAX, P PMAX
Line Regulation 3V VIN – VOUT40V,
Load Regulation
10mA I OUT I MAX,
VOUT5V
10mA I OUT I MAX,
VOUT5V
–1.225 –1.275 –1.225 –1.275 –1.225 –1.275 –1.225 –1.275 –1.22 –1.28 V
–1.2 –1.3 –1.2 –1.3 –1.2 –1.3 –1.2 –1.3 –1.2 –1.3
V
2 0.02 0.02 0.02 0.02 0.02 %/V
2 25 25 25 25 25 mV
2 0.5 0.5 0.5 0.5 0.5 %
2


Part Number RH137
Description Negative Adjustable Regulator
Maker Linear Technology
Total Page 4 Pages
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