|Category||Power Management => Regulators => Voltage Regulators => Adjustable|
|Description||Negative Adjustable Regulator|
|Company||Linear Technology Corporation|
|Datasheet||Download RH137 datasheet
|RH137 Negative Adjustable Regulator DESCRIPTIO ABSOLUTE AXI U RATI GS
Power Dissipation............................... Internally Limited Input-to-Output Voltage Differential......................... 30V Operating Junction Temperature Range......................... to 150°C Storage Temperature Range................. to 150°C Lead Temperature (Soldering, 10 sec).................. 300°C
The RH137 negative adjustable regulator will deliver to 1.5A output current over an output voltage range 22V. 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 inhouse Class S flow to yield circuits usable in stringent military applications.BOTTOM VIEW VOUT 2 CASE IS VIN 1 ADJ K PACKAGE 2-LEAD TO-3 METAL CAN (STEEL)
SYMBOL PARAMETER VREF Reference Voltage CONDITIONS
3V VIN VOUT 30V, 10mA IOUT IMAX, P PMAX VOUT VIN VOUT IOUT Line Regulation Load Regulation Thermal Regulation Ripple Rejection 3V VIN VOUT 30V 10mA IOUT IMAX, VOUT 5V 10mA IOUT IMAX, VOUT 5V 10ms Pulse VOUT = 120Hz, CADJ = 0 VOUT = 120Hz, CADJ = 10µF IADJ IMIN Adjust Pin Current Adjust Pin Current Change Minimum Load Current Limit 10mA IOUT IMAX 3V VIN VOUT 30V
Temperature Stability TJ 125°C Long Term Stability RMS Output Noise Thermal Resistance (Junction to Case) 10kHz H Package K Package
SYMBOL PARAMETER IADJ IMIN Adjust Pin Current Adjust Pin Current Change 10mA IOUT IMAX 3V VIN VOUT = 30V Minimum Load Current
Current Limit H Package VIN VOUT 15V VIN VOUT 30V K Package VIN VOUT 15V VIN VOUT = 30V Note 1: Unless otherwise specified, these specifications apply for VIN VOUT= 5V; and IOUT = 0.1A for the H package (TO-39) and IOUT = 0.5A for the K package (TO-3) package. Although power dissipation is internally limited, these specifications are applicable for power dissipations of 2W for the TO-39 and 20W for the TO-3. IMAX is 0.2A for the TO-39 and 1.5A for the TO-3 package.
Note 2: Regulation is measured at a constant junction temperature using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are covered under the specification for thermal regulation. Note 3: Guaranteed by design, characterization or correlation to other tested parameters. Note = 25°C unless otherwise noted.
MIL-STD-883 TEST REQUIREMENTS Final Electrical Test Requirements (Method 5004) Group A Test Requirements (Method 5005) Group C and D End Point Electrical Parameters (Method 5005) * PDA Applies to subgroup 1. See PDA Test Notes. SUBGROUP 1,2,3 1 PDA Test Notes The PDA is specified as 5% based on failures from group A, subgroup 1, tests after cooldown as the final electrical test in accordance with method of MIL-STD-883 Class B. The verified failures of group A, subgroup 1, after burn-in divided by the total number of devices submitted for burnin in that lot shall be used to determine the percent for the lot. Linear Technology Corporation reserves the right to test to tighter limits than those given.
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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