TLF50281EL Infineon Technologies, TLF50281EL Datasheet - Page 30

• Manufacturer Part Number: TLF50281EL
• Manufacturer: Infineon Technologies

Specifications of TLF50281EL

• Packages: PG-SSOP-14
• Comment: Asyncronous low-Iq-Buck; 5V/500mA; Iq
• Vq (max): 5V
• Iq (max): 500.0 mA
• Iq (typ): 45.0 µA
• Output: Buck Converter

8.2
Electrical Characteristics: Buck Regulator
V
Pos.
Frequency Setting FREQ
8.2.1
Synchronization SYNC
8.2.2
8.2.3
8.2.4
8.2.5
8.2.6
8.2.7
1) Synchronization of PWM-on signal to falling edge.
Data Sheet
S
= 6.0 V to 40 V,
Parameter
Oscillator frequency spread
Synchronization capture range
SYNC signal high level valid
SYNC signal low level valid
SYNC input internal pull-down
SYNC signal minimum high time
SYNC signal minimum low time
Electrical Characteristics
T
j
= -40 °C to +150 °C, all voltages with respect to ground (unless otherwise specified)
Symbol
f
f
V
V
R
t
t
osc
sync
SYNC,H, min
SYNC,L,min
SYNC,H
SYNC,L
SYNC,INT
30
Min.
2000
1500
2.9
–
0.15
25
25
Limit Values
Typ.
2200
–
–
–
0.25
–
–
Max.
2400
2200
–
0.8
0.35
–
–
Unit
kHz
kHz
V
V
MΩ
ns
ns
Rev. 1.0, 2011-10-24
Conditions
V
R
–
1)
1)
V
–
–
SYNC
FREQ
SYNC
TLF50281EL
= 47kΩ
= 0V;
= 5V
Oscillator