The TLD509x mainly differ in maximum output voltage, output current accuracy, analog dimming, short-to-ground protection and capability to drive an external NMOS for dimming purpose from each other:

Maximum output voltage:
  • TLD5095: 45 V
  • TLD5097: 61 V
  • TLD5098: 61 V
  • TLD5099EP: 61 V

LED current accuracy:
  • TLD5095: 5%
  • TLD5097: 3%
  • TLD5098: 3%
  • TLD5099EP: 3%

analog dimming:
  • TLD5095: No
  • TLD5097: Yes
  • TLD5098: Yes
  • TLD5099EP: Yes

Output short-circuit protection:
  • TLD5095: No
  • TLD5097: No
  • TLD5098: Yes
  • TLD5099EP: Yes

Digital PWM dimming:
  • TLD5095: Yes, with dedicated PWM gate driver
  • TLD5097: Yes
  • TLD5098: Yes, with dedicated PWM gate driver
  • TLD5099EP: Yes, with dedicated PWM gate driver

Embedded PWM engine:
  • TLD5095: No
  • TLD5097: No
  • TLD5098: No
  • TLD5099EP: Yes, 8 bit resolution; frequency adjustable with external capacitor

Spread spectrum:
  • TLD5095: No
  • TLD5097: No
  • TLD5098: No
  • TLD5099EP: Yes, 7KHz modulation frequency