AN938 Datasheet | STMicroelectronics

features , when active( high), reduces the device power consumption, signal plus power stages, at few tens of µA. . Data She e July 1998 1/20 . Data Sheet 4 U . .. AN938 APPLICATION NOTE DEVICE DESCRIPTION For a better understanding of the device and it’s working principle, a short description of the main building blocks is given here below, with packaging options and plete block diagram. Figure 1. Two packaging options, with the pin function assignements. OSC OUT OUT GND GND GND VCC VCC BOOT 1 2 3 4 5 6 7 8 9 D94IN162A 18 17 16 15 14 13 12 11 10 SYNC SS V5.1 GND GND GND VFB P INH OSC OUT OUT GND GND GND GND VCC VCC BOOT 1 2 3 4 5 6 7 8 9 10 D94IN163A 20 19 18 17 16 15 14 13 12 11 SYNC SS V5.1 GND GND GND GND VFB P INH POWERDIP (12+3+3) SO20 (12+4+4) Figure 2. Device block diagram. VCC INH 10(11) et4U. . 16(18) VREF GOOD V5.1 VCC 7(8) VCC 8(9) CBOOT CHARGE Data She e ZERO CURRENT INHIBIT 5.1V 3.3V INTERNAL REFERENCE INTERNAL SUPPLY 5.1V 17(19) SOFT...