HA16654A Datasheet, PDF (6/15 Pages) Hitachi Semiconductor – PWM Controlled Switching Regulator

HA16654A, HA16664A Series
A
13 k Ω
R₁
27 k Ω ^Vref
EI
V_IN
DB
R_T
39 k Ω R2
G
220 pF
OUT
GND
Dummy Load
(MOS FET)
2SD667
15 Ω
2SB647
2,200 pF
I _CCL
I _IN
I _CCS
h_FE of 2SD667 and 2SD647 is defined as 60 min and 200 max
Figure 2 I_CCS • I_CCL Measurement Circuit
V_IN
20
V_IN
V_IN
2SD667
80%
OUT
Output
2SB647 ^{15 Ω}
20%
GND
2,200 pF
t_r
t_f
Dummy Load
(MOS FET)
Figure 3 t_r , t_f Measurement Circuit
HA16664APS/AFP (Ta = 25°C, V_IN = 20 V, C_T = 560 pF, R_T = 82 kΩ at f 100 kHz)
Voltage Reference
Item
Output voltage
Line regulation
Load regulation
Temperature stability
Short circuit current
Symbol
Vref
Line
Load
V_RTC
I _OS
Min
4.75
—
—
—
—
10
Typ
5.00
—
10
5
–26
35
Max Unit
Test Condition
5.25 V
100 mV
V_IN = 7.3 to 11 V
25
mV
V_IN = 11 to 40 V
16
mV
I_O = 0 to 10 mA
—
ppm/°C
—
mA
Vref = 0 V
6