Data Sheet: SuperetaTM iQM Series –Single Output Quarter Brick

Absolute Maximum Ratings:

Stress in excess of Absolute Maximum Ratings may cause permanent damage to the device.

 

Characteristic

Min

 

Max

 

 

Unit

Notes & Conditions

 

Continuous Input Voltage

-0.5

 

80

 

 

Vdc

 

 

 

 

 

 

 

 

 

 

 

 

Transient Input Voltage

---

 

100

 

 

Vdc

100mS max.

 

 

 

 

 

 

 

 

 

 

 

Isolation Voltage

 

 

 

 

 

 

 

 

Input to Output

---

 

1500

 

 

Vdc

Basic Insulation

 

Input to Base-plate

---

 

1500

 

 

Vdc

Basic Insulation

 

Output to Base-plate

---

 

500

 

 

Vdc

Operational Insulation

 

 

 

 

 

 

 

 

 

 

 

Storage Temperature

-55

 

125

 

 

˚C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Measured at the location specified in the thermal

 

Operating Temperature Range (Tc)

 

-40

 

120

 

 

˚C

measurement figure. Maximum temperature varies

 

 

 

 

 

with model number, output current, and module

 

 

 

 

 

 

 

 

 

orientation – see curve in thermal performance

 

 

 

 

 

 

 

 

 

section of the data sheet.

 

 

 

 

 

 

 

 

 

 

Input Characteristics:

Unless otherwise specified, specifications apply over all Rated Input Voltage, Resistive Load, and Temperature conditions.

Characteristic

 

Min

Typ

Max

Unit

Notes & Conditions

Operating Input Voltage

 

36

48

75

Vdc

 

 

 

 

 

 

 

 

Maximum Input Current

60A output

---

---

3.4

A

Vin = 0 to Vin,max

 

70A output

---

---

4.2

 

Vin = 0 to Vin,max

 

 

 

 

 

 

 

Turn-on Voltage

 

---

34.7

---

Vdc

 

 

 

 

 

 

 

 

Turn-off Voltage

 

31*

32.3

---

Vdc

 

Hysteresis

 

1.5

2.4

---

Vdc

 

 

 

 

 

 

 

Startup Delay Time from application of input

---

12

---

mS

Vo = 0 to 0.1*Vo,nom; on/off =on,

voltage

 

 

 

 

 

Io=Io,max, Tc=25˚C

Startup Delay Time from on/off

 

---

10

---

mS

Vo = 0 to 0.1*Vo,nom; Vin = Vi,nom,

 

 

 

 

 

 

Io=Io,max,Tc=25˚C

Output Voltage Rise Time

 

---

15

---

mS

Io=Io,max,Tc=25˚C, Vo=0.1 to 0.9*Vo,nom

 

 

 

 

 

 

 

Inrush Transient

 

---

---

0.1

A2s

Exclude external input capacitors

Input Reflected Ripple

 

---

12

---

mApp

See input/output ripple and noise

 

 

 

 

 

 

measurements figure; BW = 20 MHz

Input Ripple Rejection

 

---

57

---

dB

@120Hz

 

 

 

 

 

 

 

* Engineering Estimate

Caution: The power modules are not internally fused. An external input line normal blow fuse with a maximum value of 10A is required; see the Safety Considerations section of the data sheet.

©2004-2006 TDK Innoveta Inc.

(877) 498-0099

4/15

iQM 1.5V/70A Datasheet 8/4/2006

 

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TDK iQM Series manual Absolute Maximum Ratings, Input Characteristics

iQM Series specifications

The TDK iQM Series represents a significant advancement in the realm of power inductors, catering specifically to applications that demand high efficiency and reliability. Designed for use in a variety of devices, including smartphones, tablets, and power supply systems, the iQM Series is tailored to meet the rigorous demands of modern electronics.

One of the standout features of the iQM Series is its compact size. The inductors are designed to maximize performance while minimizing space, making them ideal for applications where every millimeter counts. This compact design is achieved without compromising on performance, offering high inductance values that are essential for stable operation in power conversion circuits.

TDK has integrated innovative materials in the iQM inductors, utilizing a composite magnetic core that enhances energy efficiency and thermal performance. This ensures that the inductors operate effectively even at higher currents, reducing losses associated with heat generation. As a result, the iQM Series boasts a low DC resistance, contributing to improved overall system efficiency and enabling reliable operation in demanding environments.

Another notable characteristic of the iQM Series is its broad range of inductance values, which allows designers to select the most suitable inductor for their specific application requirements. This adaptability, combined with a wide operating temperature range, enables the iQM inductors to function efficiently in various climatic conditions and across different electronic devices.

Furthermore, the iQM Series is designed with a focus on minimizing noise. Advanced construction techniques have been employed to reduce electromagnetic interference, which is crucial for maintaining signal integrity in high-frequency applications. This makes the iQM Series particularly well-suited for power management circuits used in applications like DC-DC converters and power supply solutions.

The iQM Series also boasts impressive saturation current ratings, allowing for reliable performance even in peak current scenarios. This feature is essential for applications where transient loads can cause inductors to experience higher than normal currents. The ability to handle such conditions without saturating ensures longer device life and better performance under stress.

In summary, the TDK iQM Series of power inductors stands out due to its compact design, high efficiency, versatile inductance values, and effective noise reduction features. These qualities make iQM inductors an excellent choice for engineers looking to enhance their power management circuits in today's technologically advanced devices. With TDK's commitment to innovation and quality, the iQM Series is set to play a vital role in the future of electronics.