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Hermetic Surface Mount Package
Adjustable Output Voltage
Built-In Thermal Overload Protection
Short Circuit Current Limiting
Product Is Available Hi-Rel Screened
Electrically Similar To Industry Standard Type LM137HV
DESCRIPTION
This three terminal negative regulator is supplied in a hermetically sealed surface
mount package. All protective features are designed into the circuit, including thermal
shutdown, current limiting and safe-area control. With heat sinking, they can deliver
1.0 amp of output current. This unit features output voltages that can be trimmed
using external resistors, from -1.2 volts to -47 volts.
ABSOLUTE MAXIMUM RATINGS
@ 25掳C
Power Dissipation (P
d
) (Internally Limited). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 W
Input - Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 V
Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . - 55掳C to + 150掳C
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65掳C to + 150掳C
Lead Temperature (Soldering 10 Seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280掳C
Thermal Resistance: Junction-to-Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5掳C/W
MECHANICAL OUTLINE
.450
SQ.
.02 x 45掳
.090
MAX.
.035
4
PIN 1
PIN 28
1
26
TOP
.05 X 45掳
MAX. 3 PLCS.
SIDE
.009 R. BOTTOM
28 PLCS.
.300
4 PLCS.
.050
24 PLCS.
12
.305
SQ.
18
Pin Connection
Pin 1, 15 thru 28:
OUT
Pin 2, 3, 13, and 14: ADJ
Pin 4 thru 12:
IN
3.5
4 11 R0
3.5 - 103
1
2
