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HA16114P Datasheet, PDF (21/38 Pages) Hitachi Semiconductor – Switching Regulator for Chopper Type DC/DC Converter | |||
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HA16114P/PJ/FP/FPJ, HA16120FP/FPJ
Electrical Characteristics (Ta = 25°C, VIN = 12 V, fOSC = 100 kHz)
Item
Symbol Min Typ Max Unit Test Conditions Notes
Voltage
reference
section
Output voltage
Line regulation
Load regulation
Short-circuit output
current
Vref
Line
Load
I OS
2.45 2.50 2.55 V
â 2 60 mV
â 30 60 mV
10 24 â mA
IO = 1 mA
4.5 V ⤠VIN ⤠40V 1
0 ⤠IO ⤠10 mA
Vref = 0 V
Vref overvoltage
Vrovp
protection threshold
6.2 6.8 7.4 V
Temperature stability âVref/âTa â
of output voltage
100 â
ppm/°C
Vref adjustment
VADJ
voltage
1.225 1.25 1.275 V
Sawtooth Maximum frequency fmax
600 â â kHz
oscillator Minimum frequency fmin
â â 1 Hz
section
Frequency stability
with input voltage
Frequency stability
with temperature
Oscillator frequency
âf/f01
âf/f02
f OSC
Dead-band Low level threshold VTL
adjustment voltage
â ±1 ±3 %
â ±5 â %
90 100 110 kHz
0.9 1.0 1.1 V
4.5 V ⤠VIN ⤠40 V
(f01 = (fmax + fmin)/2)
â20°C ⤠Ta ⤠85°C
(f02 = (fmax + fmin)/2)
RT = 10 kâ¦
CT = 1300 pF
Output duty cycle:
0% on
section
High level threshold VTH
voltage
1.5 1.6 1.7 V
Output duty cycle:
100% on
Threshold difference âVTH
Output source current Isource
0.5 0.6 0.7 V
170 250 330 µA
âVTH = VTH â VTL
DB pin: 0 V
PWM
Low level threshold VTL
comparator voltage
0.9 1.0 1.1 V
Output duty cycle:
0% on
section
High level threshold VTH
voltage
1.5 1.6 1.7 V
Output duty cycle:
100% on
Threshold difference âVTH
0.5 0.6 0.7 V
Note: 1. Resistors connected to ON/OFF pin:
390 kâ¦
10 VIN pin
2 kâ¦
12 TM pin
13 ON/OFF pin
âVTH = VTH â VTL
21
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