scope:

This drawing describes device requirements for class B microcircuits in accordance with 1.2.1 of MIL-STD-883, "Provisions for the use of MIL-STD-883 in conjunction with compliant non-JAN devices.

The complete part number shall be as shown in the following example:

The device type shall identify the circuit function as

Device type Generic number Circuit function 01 UC1637 Switched mode controller for DC motor drive

The case outline shall be as designated in appendix C of MIL-M-38510, and as follows:

Outline letter Case outline V D-6 (18-lead, .960" × .310" × .200"), dual-in-line package

Supply voltage (V_S) - - - - - - - - - - - - - - - - - - - - - ±20 V dc Output current, source/sink (pins 4, 7) - - - - - - - - - - - 500 mA Analog inputs (pins 1 thru 3 and 8 thru 16) - - - - - - - - - V_S Error amplifier output current (pin 17) - - - - - - - - - - - ±20 mA Oscillator charging current (pin 18) - - - - - - - - - - - - −2.0 mA Power dissipation at T_A = 25°C - - - - - - - - - - - - - - - 1000 mW 2/ Power dissipation at T_C = 25°C - - - - - - - - - - - - - - - 2000 mW 3/ Thermal resistance, junction-to-case (θ_JC)- - - - - - - - - - See MIL-M-38510, appendix C Thermal resistance, junction-to-ambient (θ_JA) - - - - - - - - 100°C/W Storage temperature range - - - - - - - - - - - - - - - - - - −65°C to +150°C Lead temperature (soldering, 10 seconds)- - - - - - - - - - - +300°C

Supply voltage range (V_S) - - - - - - - - - - - - - - - ±2.5 V to ± 19 V Oscillator +V_TH, −V_TH input range - - - - - - - - - - - −V_S + 2 V to +V_S − 2 V P_WM comparator common mode range - - - - - - - - - - - −V + 1 V to +V_S − 2 V Current limit common mode range - - - - - - - - - - - - −V_S to +V_S −3 V Ambient operating temperature range (T_A)- - - - - - - - −55°C to +125°C

intended Use: