Optimizing power supply ICs and motor driver ICs for mobile devices
One-half the Ron/A achievedPower IC Processes
Ultra-low ON resistance 
One-half the Ron/A of conventional SANYO processes achieved
- 0.25µm technology adopted (for a narrow cell pitch)
- Gate Tox film thicknesses reduced (to support reduced power)
- Dual gates used (to improve p-channel capability)
- Thick-film metal used
(1.5 times more compared with conventional SANYO processes)
High-speed switching supported 
Increase in Qg due to miniaturization minimized
- Ron/Qg value equivalent to that yielded by conventional SANYO technology (0.8µm) attained
- Gate capacitance reduced by density profile design using T-CAD
- Titanium salicide used (for reduced Rg)
N-channel power construction for reduced malfunctioning 
Generation of noise causing small-signal area malfunctions minimized by improving the n-channel LDMOS construction
Lineup of many and varied devices 
All voltage bands required for mobile devices covered
- 1-cell, 2-cell lithium-ion batteries
- External power supply (12V input) supported
- Selection of optimum devices for required voltages possible
| fsw | Waveforms | Conditions | |
|---|---|---|---|
| 1MHz | REF |  |
Horizontal axis: 250ns/div CH1 (Yellow)：SW
Jitter generation |
| New constructions |  |
Horizontal axis:250ns/div CH1 (Yellow)：SW
|
|
 |
Horizontal axis:250ns/div CH1 (Yellow)：SW
|
| Transistor (3.6V MOS Tr) | Nch | ||
|---|---|---|---|
| Pch | |||
| Transistor (3.6V MOS Tr) with HV Sub isolation |
Nch | ||
| Pch | |||
| Transistor (6V MOS Tr) | Nch | * | |
| Pch | * | ||
| Transistor (16.5V MOS Tr) | Nch | * | |
| Pch | * | ||
| Transistor (6V LDMOS Tr) | Nch | ||
| Pch | * | ||
| Transistor (11V LDMOS Tr) | Nch | ||
| Pch | * | ||
| Transistor (14V LDMOS Tr) | Nch | ||
| Transistor (16.5V LDMOS Tr) | Nch | * | |
| Pch | * | ||
| Transistor (6V LDMOS Tr) within PIA/PWA |
Nch | ||
| Transistor (11V LDMOS Tr) within PIA/PWA |
Nch | ||
| Transistor (16.5V LDMOS Tr) within PIA/PWA |
Nch | * | |
| PIS Capacitor | LV | 3.6V | |
| HV | 16.5V | ||
| MIM Capacitor | 3.6V | * | |
| BJT | V-NPN | 11V | |
| L-PNP | 11V | ||
| Diff Resistor | 2kΩ/sq | ||
| Poly Resistor | 1kΩ/sq | ||
| 450kΩ/sq | |||
| Clamp diode | 3.6V | * | |
* Optional devices
High efficiency of approx. 92%(3A) achieved with low ON resistanceSynchronous Rectification DC-DC Converters with Built-in FET
- Simple design of single-chip power supplies combined with an ON resistance equivalent to that of discrete FETs
High efficiency, Small package
3A, 1ch step-down switching regulator [LV5854M]
- Frequency: 1MHz
- High-side: 70mΩ, Low-side: 30mΩ,
upper and lower FETs built-in - Built-in overcurrent protection and overheat protection function
- Package: MFP12S(225mil) size
5.0mm×6.4mm with a heat dissipation pad
High efficiency of 92%(3A) or so achieved with low ON resistance
Synchronous rectification DC-DC converters with built-in FET: LV58XX series lineup
| Type No. | Input voltage(V) | Output current(A) | Frequency(kHz) | ON resistance high/low sides(Ω) |
Functions | Package |
|---|---|---|---|---|---|---|
| LV5851M | 5.0 to 18 | 3 | 500 | 0.06/0.03 | PWM type, PbyP-OCP, OVP | MFP8(225mil) |
| LV5854M | 4.5 to 18 | 3 | 1000 | 0.06/0.03 | PWM type, Hiccup-OCP, OVP,P-Good | MFP12S(225mil) |
| LV5855MX | 8.0 to 18 | 2 | 385 | 0.13/0.13 | PWM type, PbyP, Hiccup-OCP, OVP, Discharge | MFP8(200mil) |
SBD Rectification DC-DC Converters
LV58XX series
- High efficiency of 90% achieved with low ON resistance FET output
- Pin compatibility provided for all 4 models
- Design changes easily accomplished to support output current or input voltage changes
| Input voltage | 18V | 28V | |
|---|---|---|---|
| Output current | 2A | LV5803M | LV5808MX |
| 2.5A | LV5807MX, LV5809MX | - | |
| 3A | LV58071VH (under development) Latch-off type OCP |
LV5806MX |
5V/2.2MHz DC-DC Converters
- Synchronous rectification, high efficiency, current feedback, Hiccup
- More coil space saved by 2.2MHz high-speed switching
- LV5071M and LV5072M are pin compatible.
| Type No. | Input voltage | Output current | Package |
|---|---|---|---|
| LV5071M | to 5.5V | 1A | MFP12S(225mil) |
| LV5072M | to 5.5V | 2A | MFP12S(225mil) |
N-N drive, high efficiency, high performanceWithstand Voltages up to 42V, Complete Lineup of Synchronous Rectification Controllers
- High-speed drive of external MOSFETs at 300kHz to 1MHz
- Realizing high-efficiency, compact solutions
- Stable power supply solutions including external MOSFETs offered
- Optimally suited to reducing standby power consumption in assembled products
| Type No. | Input voltage | Channels | Description |
|---|---|---|---|
| LV5747TT | to 42V | 1ch | Fold-back droop type |
| LV5749V | to 42V | 1ch | Synchronous operation |
| LV5761V | to 42V | 1ch | Synchronous operation + Fold-back |
| LV5052V | to 16V | 2ch | Synchronous operation/Multi-phase possible |
| LV5053V | to 16V | 1ch | Synchronous operation |
Compact, High-Heat-Dissipation Packages LDO
- Low-voltage drive 1.8V and up (LV590XX series)
- Applications with minimal levels of heat generation enabled by two power supply inputs
| Type No. | Input voltage | Output current | Package |
|---|---|---|---|
| LV59001M | to 6V | 1A | MFP8(200mil) |
| LV59012M/18M/33M | to 6V | 1A | MFP8(200mil) |
| LV59700MX | 3.5 to 15V | 1A | MFP8(200mil) |
80µA ultra-low current consumptionDC-DC Chopper Controllers
LV5764 (under development)
- 50µA (typ) circuit operation current under light loads
- 42V input, switching frequency: 2.3MHz
500µA low current consumption2-Channel Synchronous Rectification DC-DC Controllers
LV5058 (under development)
These controllers manage the circuit operation currents of ICs under light loads, and reduce the current consumption of the ICs to below 500µA. Under light loads, they switch from synchronous rectification to hysteresis converters and ensure high efficiency under all load conditions. 42V input supported.
DC-DC Converters+LDO
- Costs reduced and space saved using composite ICs
| Type No. | Input voltage | Package | Specifications |
|---|---|---|---|
| LV5074 | to 5.5V | MFP12S | DCDC+LDO |
| LV5097 | to 5.5V | VCT20 | DCDC+LDO+LDO |
High Wwithstand Voltage Large Current
(input voltage 57)
Synchronous Rectification
Step-down DC-DC Converter IC
TN8D/TN5D series
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