HA16107P Datasheet, PDF (16/40 Pages) Hitachi Semiconductor – PWM Switching Regulator for High-performance Voltage Mode Control

HA16107P/FP, HA16108P/FP
Note on Standby Current
In the test circuit shown in figure 1, the operating current at the start of PWM pulse output is the standby current.
If the resistance connected externally to the Vref pin (including R_T2) is smaller than that of the test circuit, the apparent
standby current will increase.
↑
V_IN Ist
Vref _HA16107
Series
Rref
+ C_IN
↑ I_IN
Figure 1 Standby Current Test Circuit
Rev.4.00 Jun 15, 2005 page 16 of 39