FM137AS7 PRODUCT DATA SHEET 1.5 AMP ADJUSTABLE NEGATIVE VOLTAGE REGULATOR IN AN ISOLATED HERMETIC TO-257 PACKAGE ABSOLUTE MAXIMUM RATINGS @ TC = 25°C, unless otherwise stated Parameter Rating Units PD VDIFF Power Dissipation Input-Output Voltage Differential 20 40 W Vdc θ JC Thermal Resistance Junction to Case 4.2 °C/W IMAX Output Current 1.5 A TJ Operating Junction Temperature -55 to +150 °C TSTG Storage Temperature -65 to +150 °C 300 °C Lead Temperature (10 sec) MECHANICAL OUTLINE .422" 0.416" .410" .045" .035" .144 DIA .665" 0.655" .645" .537" 0.536" .527" .430" 0.420" .410" 1 2 3 0.500" .750" .500" .035" .025" .120" .100" .200" .190" PIN CONNECTION PIN 1: ADJUST PIN 2: INPUT PIN 3: OUTPUT FMI • 530 Turnpike Street • North Andover, Massachusetts • Tel: 978.975.3385 • Fax: 978.975.3506 FM137AS7 PRODUCT DATA SHEET ELECTRICAL CHARACTERISTICS @ TJ = 25°C, IL = 8 mA unless otherwise stated Parameter Min. Max. VREF Test Conditions RLINE Line Regulation -1.262 -1.28 -1.28 - RLOAD Load Regulation - VRTH Thermal Regulation - -1.238 -1.22 -1.22 ±4.5 ±13.8 ±25 ±25 ±25 ±50 ±5.0 RN Ripple Rejection 66 - dB IADJ Adjustment Pin Current - µA ∆IADJ - µA - ±5 µA VDIFF = 5.0V, 8mA ≤ IL ≤ 1.5A, TA = -55°C to +125° ILMIN Adjustment Pin Current Change Adjustment Pin Current Change Minimum Load Current 100 100 ±5 VDIFF = 3.0V VDIFF = 3.0V, TA = -55°C to +125°C VDIFF = 40V, TA = -55°C to +125°C 3.0V ≤ VDIFF ≤ 40V 3.0V ≤ VDIFF ≤ 40V, TA = -55°C to +125°C VDIFF = 5.0V, 8mA ≤ IL ≤ 1.5A, TA = -55°C to 125°C VDIFF = 12.0V, 8mA ≤ IL ≤ 1.5A VDIFF = 40V, 8mA ≤ IL ≤ 200mA VDIFF = 40V, 8mA ≤ IL ≤ 100mA,TA = -55°C to125°C VIN = -14.6V, IL = 1.5A PD = 20W, t = 10mS f = 120Hz, VOUT = VREF, CADJ = 10µF TA = -55°C to +125°C VDIFF = 3.0V, TA = -55°C to +125°C VDIFF = 40V, TA = -55°C to +125°C 3.0V ≤ VDIFF ≤ 40V, TA = -55°C to +125°C - 3 3 5 mA ICL Current Limit 1.5 0.24 3.5 1.2 A VDIFF = 3V, VOUT = -1.4V (forced) TA = -55°C to 125°C VDIFF = 10V, VOUT = -1.4V (forced) TA= -55°C to 125°C VDIFF = 40V, VOUT = -1.4V (forced) TA= -55°C to 125°C VDIFF = 5.0V, TA = -55°C to +125°C VDIFF = 40V (LINE) ∆IADJ (LOAD) Reference Voltage Units V mV mV mV RECOMMENDED OPERATING CONDITIONS Parameter VOUT VIN Output Voltage Range Input Voltage Range TA Ambient Operating Temperature Range FMI • 530 Turnpike Street • North Andover, Massachusetts Range • Units -1.2 to -37 -4.25 to -41.25 Vdc Vdc -55 to +125 °C Tel: 978.975.3385 • Fax: 978.975.3506