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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/625400/ring-voltage-circuit
您是否有为电话线电路提供振铃电压的解决方案？ 我们正在寻找平衡环电压或不平衡环电压解决方案？ 我们还需要-48Vdc 的解决方案来在电话线路上提供。
您好、Petert、
关于-48Vdc 电路、输入功率应为5V 标称值、输出应为-48Vdc@ 0.3A
此致、
吕克
