LMZM33604

Name: LMZM33604
Brand: TI
SKU: LMZM33604
Price: 6.84 USD

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3.5-V to 36-V input, 1-V to 20-V output, 4-A power module

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Data sheet

document-pdfAcrobat LMZM33604 3.5-V to 36-V Input, 1-V to 20-V Output, 4-A Power Module datasheet (Rev. A) PDF | HTML

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Data sheet

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Product details

Rating

Catalog

Operating temperature range (°C)

-40 to 105

Topology

Buck, Inverting Buck-Boost, Synchronous Buck

Type

Module

Iout (max) (A)

4

Vin (min) (V)

3.5

Vin (max) (V)

36

Vout (min) (V)

1

Vout (max) (V)

20

Switching frequency (min) (kHz)

350

Switching frequency (max) (kHz)

2200

Features

EMI Tested, Enable, Frequency synchronization, Light Load Efficiency, Power good, Tracking

Duty cycle (max) (%)

90

Rating

Catalog

Operating temperature range (°C)

-40 to 105

Topology

Buck, Inverting Buck-Boost, Synchronous Buck

Type

Module

Iout (max) (A)

4

Vin (min) (V)

3.5

Vin (max) (V)

36

Vout (min) (V)

1

Vout (max) (V)

20

Switching frequency (min) (kHz)

350

Switching frequency (max) (kHz)

2200

Features

EMI Tested, Enable, Frequency synchronization, Light Load Efficiency, Power good, Tracking

Duty cycle (max) (%)

90

B3QFN (RLX)

41

160 mm² 16 x 10

Small complete solution size: < 250 mm²
- Requires as few as 4 external components
- 16 mm × 10 mm × 4 mm QFN package
Supports 5-V, 12-V, 24-V, 28-V input rails
- 1-V to 20-V Output voltage range
- Pin compatible with 6-A LMZM33606
Meets EN55011 radiated emissions
Configurable as negative output voltage
Adjustable features for design flexibility
- Switching frequency (350 kHz to 2.2 MHz)
- Synchronization to an external clock
- Selectable auto mode or FPWM mode
  - Auto: boost efficiency at light loads
  - FPWM: Fixed frequency over entire load
- Adjustable soft start and tracking input
- Precision enable to program system UVLO
Protection features
- Hiccup mode current limit
- Overtemperature protection
- Power-good output
Operate in rugged environments
- Up to 50-W output power at 85°C, no airflow
- Operating junction range: –40°C to +125°C
- Operating ambient range: –40°C to +105°C
- Shock and vibration tested to Mil-STD-883D

Small complete solution size: < 250 mm²
- Requires as few as 4 external components
- 16 mm × 10 mm × 4 mm QFN package
Supports 5-V, 12-V, 24-V, 28-V input rails
- 1-V to 20-V Output voltage range
- Pin compatible with 6-A LMZM33606
Meets EN55011 radiated emissions
Configurable as negative output voltage
Adjustable features for design flexibility
- Switching frequency (350 kHz to 2.2 MHz)
- Synchronization to an external clock
- Selectable auto mode or FPWM mode
  - Auto: boost efficiency at light loads
  - FPWM: Fixed frequency over entire load
- Adjustable soft start and tracking input
- Precision enable to program system UVLO
Protection features
- Hiccup mode current limit
- Overtemperature protection
- Power-good output
Operate in rugged environments
- Up to 50-W output power at 85°C, no airflow
- Operating junction range: –40°C to +125°C
- Operating ambient range: –40°C to +105°C
- Shock and vibration tested to Mil-STD-883D

The LMZM33604 power module is an easy-to-use integrated power solution that combines a 4-A DC/DC converter with power MOSFETs, a shielded inductor, and passives in a low-profile package. This power solution requires as few as four external components and eliminates the loop compensation and inductor part selection from the design process.

The 16 mm × 10 mm × 4 mm, 41-pin, QFN package is easy to solder onto a printed circuit board and allows for a compact, low-profile point-of-load design. The LMZM33604 feature set includes power good, adjustable soft start, tracking, synchronization, programmable UVLO, prebias start-up, selectable auto or FPWM modes, as well as overcurrent and overtemperature protection. The LMZM33604 can be configured as negative output voltage for inverting applications.

The LMZM33604 power module is an easy-to-use integrated power solution that combines a 4-A DC/DC converter with power MOSFETs, a shielded inductor, and passives in a low-profile package. This power solution requires as few as four external components and eliminates the loop compensation and inductor part selection from the design process.

The 16 mm × 10 mm × 4 mm, 41-pin, QFN package is easy to solder onto a printed circuit board and allows for a compact, low-profile point-of-load design. The LMZM33604 feature set includes power good, adjustable soft start, tracking, synchronization, programmable UVLO, prebias start-up, selectable auto or FPWM modes, as well as overcurrent and overtemperature protection. The LMZM33604 can be configured as negative output voltage for inverting applications.

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	Type	Title		Date
*	Data sheet	LMZM33604 3.5-V to 36-V Input, 1-V to 20-V Output, 4-A Power Module datasheet (Rev. A)	PDF \| HTML	20 May 2019
	Application note	Soldering Considerations for Power Modules (Rev. C)	PDF \| HTML	14 Mar 2024
	Application note	Practical Thermal Design With DC/DC Power Modules (Rev. A)		20 Nov 2019
	EVM User's guide	LMZM33604EVM and LMZM33606EVM User's Guide (Rev. B)		10 Apr 2019

Design & development

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Evaluation board

LMZM33604EVM — 3.5-V to 36-V input, 1-V to 20-V output, 4-A power module evaluation board

The LMZM33604 evaluation board is configured to evaluate the operation of the LMZM33604 power module for current up to 4 A. The input voltage range is 3.5 V to 36 V. The output voltage range is 1 V to 20 V. The evaluation board makes it easy to evaluate the LMZM33604 operation.

User guide: PDF