HA16654A Datasheet, PDF (4/15 Pages) Hitachi Semiconductor – PWM Controlled Switching Regulator

HA16654A, HA16664A Series
Absolute Maximum Ratings (Ta = 25°C)
Item
Symbol
Rating
Unit
Notes
Power supply voltage
V_IN
+40
V
Collector current (Push-pull)
I_O
20
mA
Comparator input voltage
V_COM
Vref + 0.3
V
R_T input current
I _RT
1
mA
Power dissipation
P_T
680
mW
1, 2
Operation temperature range
Topr
–20 to +85
°C
Storage temperature range
Tstg
–55 to 125
°C
Notes: 1. Ta ≤ 45°C, if Ta > 45°C, derate by 8.3 mW/°C
2. Tjmax = θj–a • Pcmax + Ta (θj–a:Thermal resistance between junction and atmosphere at set
board use)
The wiring density and the material of the set board must be chosen for thermal conductance of
efficacy board.
Electrical Characteristics
HA16654APS/AFP (Ta = 25°C, V_IN = 20 V, C_T = 220 pF, R_T = 27 kΩ at f 500 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
4