HA17524P Datasheet, PDF (3/18 Pages) Hitachi Semiconductor – Switching Regulator Controller

HA17524P/FP
V_REF
5kΩ
5kΩ
To Positive Regulated
Output
R₂
Voltage
V_O
+
R₁
−
Error Amp
(a) Forward Output Stabilizing Source
V_O = 2.5
R₁ + R_{2 (V)}
R₁
V_REF
5kΩ ^R1
+
−
5kΩ
R₂
Error Amp
To Negative Regulated
Output Voltage V_O
(b) Reverse Output Stabilizing Source
V_O = 5 − 2.5
R₁ + R₂
R₁
(V)
Figure 2 Error Amplifier Biasing
3