TLD5098EL Datasheet, PDF (14/39 Pages) Infineon Technologies AG – DC/DC Boost, Buck-Boost, SEPIC controller

TLD5098EL
Oscillator and Synchronization
6.2
Electrical Characteristics
Table 2 EC Oscillator and Synchronization
V_IN = 8V to 34V; T_j = -40 ⋅C to +150 ⋅C, all voltages with respect to ground, positive current flowing into pin; (unless
otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
Oscillator:
6.2.1
6.2.2
Oscillator Frequency
Oscillator Frequency
Adjustment Range
f_FREQ
f_FREQ
250
300
350
kHz R_FREQ = 20kΩ
100 –
500 kHz
6.2.3 FREQ / SYNC Supply
I_FREQ
–
–
-700 µA
V_FREQ = 0V
Current
6.2.4 Frequency Voltage
Synchronization
V_FREQ
1.16 1.24 1.32 V
f_FREQ = 100kHz
6.2.5
Synchronization Frequency f_SYNC
Capture Range
250 –
6.2.6 Synchronization Signal
High Logic Level Valid
V_SYNC,H 3.0
–
6.2.7 Synchronization Signal
V_SYNC,L
–
–
Low Logic Level Valid
6.2.8 Synchronization Signal
Logic High Pulse Width
t_SYNC,PWH 200
–
500 kHz –
–
V
1) 2)
0.8
V
1) 2)
–
ns
1) 2)
1) Synchronization of external PWM ON signal to falling edge
2) Not subject to production test, specified by design
Datasheet
14
Rev. 1.0, 2010-10-13