zxld1601 Zetex Semiconductors plc., zxld1601 Datasheet - Page 3

• Manufacturer Part Number: zxld1601
• Description: Zxld1601 - Adjustable Dc-dc Boost Converter With Internal Switch In Sc70
• Manufacturer: Zetex Semiconductors plc.

ELECTRICAL CHARACTERISTICS (Cont.):
NOTES:
4 The maximum PWM signal frequency during this mode of operation should be kept as low as possible to minimize errors due to the turn-off
ISSUE 3 - AUGUST 2004
Symbol Parameter
fLPF
ALPF
T/T
T/T
delay
(4)
PWM duty cycle range at
‘EN’ input for dc output
voltage control
Internal PWM low pass filter
cut-off frequency
Filter attenuation
PWM duty cycle range at
‘EN’ input for ‘gated’ output
voltage control
Conditions
10kHz < f < 100kHz, VENH =VIN
f=30kHz
f < 1kHz, VENH =VIN
(Test conditions: V
3
IN
=V
EN
=3V, T
AMB
=25°C unless otherwise stated
Min
20
0
ZXLD1601
S E M I C O N D U C T O R S
52.5
Typ
4
Max
100
100
Units
(1)
kHz
dB
%
%
)