Product Summary

The PEB2023V1.1 is a pulse width modulator circuit, which is designed for fixed-frequency switching regulators with very low power consumption. In telephone and ISDN-systems a high conversion yield is crucial to maintain functionality in all supply conditions via S- or U-interfaces. The PEB2023V1.1 design and technology realizes high conversion efficiency and low power dissipation. The PEB2023V1.1 is fully compatible with the ITU-power recommendations of the S-interface. For these reasons the PEB2023V1.1 is especially suited for telephone and ISDNenvironments.

Parametrics

PEB2023V1.1 absolute maximum ratings: (1)Supply voltage (pin VS) for sup. voltage range 1: -0.3 to 80 V; (2)Supply voltage (pin VS) for sup. voltage range 2 or 3: -0.3 to 90 V; (3)Transient input current on pin VS (sup. voltage range 1, 2 or 3): -10 to 10 mA at t ≤ 100 msec; (4)Analog input voltage (pins IP, COMP, VP, VN, SYNC, RC): -0.3 to VEXT +0.3 V; (5)Reference output current (pin VREF): 5 mA; (6)SYNC-output current (pin SYNC): 5 mA; (7)Error amplifier output current (pin COMP): 5 mA; (8)Z-current (pin VEXT): 6 mA; (9)Output current (pin VEXT): 6 mA; (10)Driver output current (pin GA): 25 mA.

Features

PEB2023V1.1 features: (1)Switched Mode DC/DC Converter; (2)ITU ISDN Compatible; (3)Low Power Dissipation; (4)Supply Voltage Range 0: 8V to 16V, Supply Voltage Range 1: 12V to 80V, Supply Voltage Range 2: 22V to 90V (pin striping selects between range 1 and range 2), Supply Voltage Range 3, with shifting by an external zener diode: UZD+8V to UZD+90V (minimum zener voltage UZD = 14V); (5)Programmable Overcurrent Protection.

Diagrams

PEB2023V1.1 block diagram

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