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Dc-dc converter (control) ics [step down, Rechargeable battery charge control ics, Dedicated reset function ics – Sanyo EP91G User Manual

Page 7: Led driver ics, Block diagram

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11

12

Rechargeable Battery Charge Control ICs

❈: Development

Type No.

Battery type

Absolute

maximum ratings

Input voltage

(V)

Total power

dissipation

(W)

Package

Functions/Features

P

LA5636M

Lithium-ion,
nickel-metal hydride

14.5

0.36

MFP10S(225mil)

Car battery DC/DC converter control IC, output voltage propor-
tional to PWM input signal, for charging lithium-ion batteries

22

LA5645M

Charger

14.5

0.3

MFP8(225mil)

Constant-voltage, constant-current control IC, high precision
reference voltage (1.5V+1%), input offset voltage (2mV max.)

Dedicated Reset Function ICs

Type No.

Absolute

maximum ratings

Input voltage

(V)

Total power

dissipation

(W)

Package

Functions/Features

P

LA5623M

-0.3 to +12

0.3

MFP8(225mil)

2-system reset IC with built-in 1.25V, and 4.2V reference voltages,
delay time 25ms, 50ms, 100ms, or 200ms switchable

23

LED Driver ICs

●: New products

Type No.

Input voltage Channels

Package

Circuit functions and applications

P

LV5213LP

3.0 to 4.5

3ch

VCT16(2.6×2.6)

3-channel LED driver for cell phones

LV5215LF

3.0 to 4.5

4ch

VQFN12(2.0×2.0)

4-channel LED driver for cell phones

24

LV5217GP

3.0 to 4.5

3ch

VCT16(2.6×2.6)

3-channel LED driver for cell phones

25

Block Diagram

Reg.

OSC

VREF

Reset

OCP

TSD

Drive

Comp.

Amp.

GND

SS

VIN

SWOUT

VOS

* For other block diagrams, refer to the datasheet.

Example: LA5771 Block Diagram

L1

68μH

C1

220μF

/35V

R1

R2

C2

1000μF

/6.3V

D1

SBD

C3

1μF

/50V

Applications

Separately-excited step-down switching regulator

Functions/Features

Low-ESR capacitor with increased reliability applicable

as the output smoothing capacitor (LA5774/74MP)

High effi ciency

4 external parts

Built-in reference oscillator (160kHz)

Built-in current limiter

Built-in thermal shutdown circuit

Built-in soft start circuit

(LA5771/71MP/72/72MP/74/74MP)

ON/OFF function (LA5734/77/77MP/79/79MP)

Type

Input voltage

Output voltage

Channels Power stages

Package

Step

down

• 4.5V to 28V (LA5774/74MP/79/79MP)
• 4.5V to 32V (LA5734MP)
• 5.5V to 28V (LA5771MP)
• 5.5V to 32V (LA5771)
• 7V to 28V

(LA5772MP)

• 7V to 32V

(LA5772)

• 8V to 28V

(LA5777/77MP)

• Programmable externally/3A
(LA5734MP/74/74PM/79/79MP)
• 3.3V/3A
(LA5771MP/71)
• 5V/3A
(LA5772MP/72/77/77MP)

1ch

Built in

• 220-5H
(LA5771/72/74/77/79)
• SMP5
(LA5734MP/71MP/72MP/
74MP/77MP/79MP)

DC-DC Converter (Control) ICs [Step down]

DC-DC Converter (Control) ICs [Step down]

LA5734MP/71/71MP/72/72MP/

LA5734MP/71/71MP/72/72MP/

74/74MP/77/77MP/79/79MP

74/74MP/77/77MP/79/79MP

unit: mm

SANYO: SMP5

unit: mm

SANYO: 220-5H

1

5

0.8

10.4MAX

10.0

3.6

4.5

1.3

2.7

23.0

21.3

17.8

15.0

0.9

2.7

0.45

4.5

8.4

1.7

(1.6)

(8.8)

1.5

10.0

9.9

1.2

4.5

(8.8)

1.3

4.5

2.7

0.4

1.7

(1.6)

0.9

1

5

0.2

Dual-Protection ICs

(for Rechargeable Lithium-ion Batteries)

●: New products and

Continued from preceding page.

❈: Development

Type No.

Absolute maximum ratings

Package

Functions/Features

P

Input voltage

(V)

Total power

dissipation

(W)

LV51114LF

-0.3 to +7

0.3

SON5(1.6×2.0)

1-cell Lithium-ion rechargeable battery protection IC

LV51115T

-0.3 to +7

0.35

SOT-23-6

1-cell Lithium-ion rechargeable battery protection IC

LV51115LF

-0.3 to +7

0.3

SON5(1.6×2.0)

1-cell Lithium-ion rechargeable battery protection IC

LV51116T

-0.3 to +7

0.35

SOT-23-6

1-cell Lithium-ion rechargeable battery protection IC

LV51116LF

-0.3 to +7

0.3

SON5(1.6×2.0)

1-cell Lithium-ion rechargeable battery protection IC

LV51117T

-0.3 to +7

0.35

SOT-23-6

1-cell Lithium-ion rechargeable battery protection IC

LV51117LF

-0.3 to +7

0.3

SON5(1.6×2.0)

1-cell Lithium-ion rechargeable battery protection IC

LV51118T

-0.3 to +7

0.35

SOT-23-6

1-cell Lithium-ion rechargeable battery protection IC

LV51118LF

-0.3 to +7

0.3

SON5(1.6×2.0)

1-cell Lithium-ion rechargeable battery protection IC

LV51119T

-0.3 to +7

0.35

SOT-23-6

1-cell Lithium-ion rechargeable battery protection IC

LV51119LF

-0.3 to +7

0.3

SON5(1.6×2.0)

1-cell Lithium-ion rechargeable battery protection IC

LV51140T

-0.3 to +7

0.35

SOT-23-6

1-cell Lithium-ion rechargeable battery protection IC

LV51140LF

-0.3 to +7

0.3

SON5(1.6×2.0)

1-cell Lithium-ion rechargeable battery protection IC

LV51141T

-0.3 to +7

0.35

SOT-23-6

1-cell Lithium-ion rechargeable battery protection IC

LV51141LF

-0.3 to +7

0.3

SON5(1.6×2.0)

1-cell Lithium-ion rechargeable battery protection IC

LV51142T

-0.3 to +7

0.35

SOT-23-6

1-cell Lithium-ion rechargeable battery protection IC

LV51142LF

-0.3 to +7

0.3

SON5(1.6×2.0)

1-cell Lithium-ion rechargeable battery protection IC