PTB48500AAH [Rochester]

Name: PTB48500AAH
Brand: Rochester
SKU: PTB48500AAH
Availability: InStock

Part No:

PTB48500AAH

Category:

DC/DC Converters

Manufacturer:

Rochester

Description:

The PTB4850x power modules are a dual-output isolated DC/DC converter, designed to provide the logic supply voltages for AC-7 based xDSL applications.

RoHS Status:

Datasheet:

Stock Status:

Available for RFQ

Pricing:

Request Volume Pricing

Quote Response:

Within 24 Hours

Shipping:

In-stock parts ship in 1–2 business days

Specification

Type

Parameter

Isolation Voltage

1500V

Isolation Resistance

10mW

Switching Frequency

500kHz ~ 600kHz

Input Voltage Range

36 VDC ~ 75 VDC

Isolation Capacitance

1500pF

Operating Temperature

-40°C ~ 85°C

Storage Temperature

-40°C ~ 125°C

RoHS Status

RoHS Compliant

Package

AH (Horiz. T/H), AS (SMD Standard), AZ (SMD Pb-free)

RoHS Status

RoHS Compliant

Enable Input High Voltage Max

75V

Enable Input High Voltage Min

3.6V

Enable Input Low Voltage Max

0.8V

Flammability

UL94V-O

Mechanical Shock

500 G

Mechanical Vibration Suffix C

5 G

Mechanical Vibration Suffix H

20 G

Output Voltage 1

3.3V

Output Voltage 2

1.2V

Output Voltage Adjust Range Max

20% V

Output Voltage Adjust Range Min

-20% V

Over Temperature Protection Threshold

115°C

PTB48500 Output Current Total

13A

PTB48501 Output Current Total

16.5A

PTB48502 Output Current Total

21A

Safety Approvals

UL/cUL 60950, EN60950

Solder Reflow Temperature

235°C

Standby Input Current

2mA

Under Voltage Lockout Off

32V

Under Voltage Lockout On

34V

Products Detail

Dual-output isolated DC/DC converters designed for AC-7 based xDSL applications. Operates from standard telecom -48V central office supply (36V to 75V input range). Features include independent regulation, power-up/down sequencing, 1500VDC isolation, over-current protection, over-temperature shutdown, under-voltage lockout, and fixed-frequency operation. Designed to work with PTB4851x modules for complete AC7 chipset power solutions. Available in industry-standard outline packages with double-sided surface mount construction.

Key Features

Dual Outputs (Independently Regulated), Input Voltage Range: 36V to 75V, Power-Up/Down Sequencing, 1500VDC Isolation, Over-Current Protection, Over-Temperature Shutdown, Under-Voltage Lockout, Fixed Frequency Operation, Temp Range: –40°C to 85°C, Industry Standard Outline, Operates with PTB4851x for Complete AC7 Power Solution, Powers up to 64 DSL Ports, Safety Approvals: UL/cUL 60950, EN60950

Application scenarios

xDSL applications
Industrial control
Power management

Documents

Datasheets:

PTB48500-02 PTB48500AAH-Texas-Instruments-datasheet-21257148.pdf PTB48500AAH-Texas-Instruments-datasheet-31968.pdf

Product FAQ

1. Is PTB48500AAH available for RFQ?

Yes. PTB48500AAH by Rochester is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

2. Why is there no fixed price for PTB48500AAH?

Pricing for PTB48500AAH can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

3. What are the key specifications of PTB48500AAH?

PTB48500AAH is a Rochester DC/DC Converters with Over Temperature Protection Threshold: 115°C and Output Voltage Adjust Range Max: 20% V. Review the product details or submit an RFQ if you need confirmation before purchase.

4. How fast can I get a quote for PTB48500AAH?

Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

5. How soon can PTB48500AAH be shipped?

If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

6. Can you suggest alternatives to PTB48500AAH?

Yes. If PTB48500AAH is unavailable, obsolete, or does not meet your required lead time, we can help check similar Rochester DC/DC Converters parts or compatible alternatives.

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