HA17524P Datasheet, PDF (12/18 Pages) Hitachi Semiconductor – Switching Regulator Controller

HA17524P/FP
Electrical Characteristics (V_CC = 20 V, f = 20 kHz, Ta = 25°C)
Item
Symbol Min
Regulator Output voltage
V_REF
4.6
Input regulation
δV_OLine
—
Ripple rejection
R_REJ
—
Output regulation δV_OLoad
—
Output voltage
δV_O /δTa —
change with
—
output temperature
Typ
Max Unit
5.0
5.4 V
10
30 mV
66
— dB
20
50 mV
0.3
1.0 %
0.4
1.36 %
Error
amplifier
Oscillator
Short-circuit output I_OS
current (Note)
Input offset voltage V_IO
Input bias current I_I
Open-loop voltage A_VD
gain
Common-mode
V_CM
input voltage range
Common-mode
Rejection ratio
CMR
Unity-gain
BW
bandwidth
Output swing
V_OPP
OSC frequency f
—
100
—
2
—
2
—
60
1.8 to 3.4 —
—
70
—
3
0.5
—
—
450
— mA
10 mV
10 µA
— dB
—V
— dB
— MHz
3.8 V
— kHz
Standard deviation ∆ f
—
of frequency
5
—%
Frequency stability δf_Line
—
δf/δTa
—
—
1.0 %
5.0
10 %
—
5.0
13.6 %
Output amplitude V_3(peak)
—
Output pulse width T_P
—
Comparator Maximum duty
Dmax
45
cycle
3.5
—V
0.5
— µs
—
—%
Threshold voltage Vth 0
—
1.0
—V
Vth max —
3.5
—V
Input bias current I_I
—
–1
— µA
Note: Duration of the short-circuit should not exceed one second.
Test Conditions
V_CC = 8 to 40 V
f = 120 Hz
Iout = 0 to 20 mA
Ta = 0 to +70°C
Ta = –20 to +75°C
V_REF = 0
V_IC = 2.5 V
V_IC = 2.5 V
Ta = 25°C
C_T = 0.001 µF,
R_T = 2 kΩ
V_CC = 8 to 40 V,
R_T = 1.8 to 100 kΩ,
C = Const
V_CC = 8 to 40 V
Ta = 0 to +70°C
Ta = –20 to +75°C
Pin 3
C_T = 0.01 µF, Pin 3
Duty cycle = 0
Duty cycle = max
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