1 Dual complementary outputs (±5V)

2 Input voltage range:36V to75V

3 Supports on/off enable for power-up sequencing

4 1500VDC isolation between input and output

5 Built-in protection: over-current (auto-recovery), over-temperature shutdown, under-voltage lockout

6 Operating temperature range: -40°C to +85°C

7 Fixed frequency operation (440kHz-500kHz), can synchronize with PTB4850x series

8 Powers line driver ICs for AC-7 and other xDSL chipsets

9 Safety approvals pending: EN60950, UL/cUL60950

10 Efficiency up to85%

11 Output voltage adjust range:3.31V to6V (both ±VO magnitudes)

12 Over-current threshold:9A-12A

13 Short circuit current:16A (10% duty cycle)

14 MTBF:2.8×10^6 hours (per Telcordia SR-332 at40°C,50% stress)

1 Powering line-driver ICs in xDSL telecom applications (e.g., AC-7 ADSL chipset)

2 Telecom central office systems using standard -48V input supply

3 DSL systems paired with PTB4850x modules (provides logic voltages + complementary supplies)

4 Applications needing balanced complementary supply voltages with up to1A load imbalance

1 Output voltage adjustment: use1% tolerance resistor (0.05W,100ppm/°C); no capacitors on ±VO Adj pin

2 Power-up sequencing: connect PTB4850x's EN Out to PTB48600's Enable pin

3 Sync frequency: connect PTB4850x's Sync Out to PTB48600's Sync In pin

4 Load imbalance limit: max1A difference between +IO and -IO (both ≥0.1A)

5 SMD version solder reflow temp: ≤235°C

6 Transient response:30µs for0.1A/µs load step, ±1%Vo overshoot/undershoot

7 This module is not recommended for new designs (NRND status)

PTB48600AAH-PDF数据手册-参考资料