Epson S1F76610 series Manual de usuario

MF302-12

S1F70000 Series

Technical Manual

IEEE1394 Controller

Technical Manual

S1F70000 Series

EPSON Electronic Devices Website

ELECTRONIC DEVICES MARKETING DIVISION

First issue November,1990 U

Revised July,2001 in Japan H

4.5mm

POWER SUPPLY IC

S1F76610 Technical Manual

http://www.epson.co.jp/device/

This manual was made with recycle paper,

and printed using soy-based inks.

S1F76610 Series

S1F70000 Series EPSON 2–1

Technical Manual

S1F76610

Series

DESCRIPTION

The S1F76610 Series is a highly effecient CMOS DC/

DC converter for doubling or tripling an input voltage.

It incorporates an on-chip voltage regulator to ensure

stable output at the specified voltage. The S1F76610

Series offers a choice of three, optional temperature

gradients for applications such as LCD panel power

supplies.

The S1F76610C0B0 is available in 14-pin plastic DIPs,

the S1F76610M0B0, in 14-pin plastic SOPs, and the

S1F76610M2B0 in 16-pin plastic SSOPs.

FEATURES

• 95% (Typ.) conversion efficiency

• Up to four output voltages, VO, relative to the input

voltage, VI

• On-chip voltage regulator

• 20mA maximum output current at VI= –5V

• Three temperature gradients : –0.1, –0.4 and –0.6%/

°C

Voltage

multiplier

(1)

Voltage

multiplier

(2)

oscilator

Reference

voltge

generator

Temperature

gradient

selector

Voltage regulator

TC1

TC2

OFF

REG

OSC2

OSC1

CAP1+

CAP1–

CAP2+

CAP2–

Multiplication

stage Stabilization

stage

BLOCK DIAGRAM

S1F76610 Series CMOS DC/DC Converter (Voltage

Doubler / Tripler) & Voltage Regulator

• External shut-down control

•2µA maximum output current when shut-down

• Two-in-series configuration doubles negative output

voltage.

• On-chip RC oscillator

• S1F76610C0B0 ...... Plastic DIP-14 pin

S1F76610M0B0...... Plastic SOP5-14 Pin

S1F76610M2B0...... Plastic SSOP2-16 pin

APPLICATIONS

• Power supplies for LCD panels

• Fixed-voltage power supplies for battery-operated

equipment

• Power supplies for pagers, memory cards, calculators

and similar hand-held equipment

• Fixed-voltage power supplies for medical equipment

• Fixed-voltage power supplies for communications

equipment

• Power supplies for microcomputers

• Uninterruptable power supplies

S1F76610 Series

2–2 EPSON S1F70000 Series

Technical Manual

PIN ASSIGNMENTS

PIN DESCRIPTIONS

S1F76610C0B0/M0B0

CAP+

CAP–

CAP2+

CAP2–

TC1

TC2

VDD

OSC1

OSC2

POFF

VREG

CAP+

CAP–

CAP2+

CAP2–

TC1

TC2

VDD

OSC1

OSC2

POFF

VREG

S1F76610M2B0S1F76610C0B0/M0B0

Description

Positive charge-pump connection for ×2 multiplier

Negative charge-pump connection for ×2 multiplier

Positive charge-pump connection for ×3 multiplier

Negative charge-pump connection for ×3 multiplier or ×2 multiplier output

Pin No.

Pin name

CAP1+

CAP1–

CAP2+

CAP2–

TC1

TC2

VREG

POFF

OSC2

OSC1

VDD

Temperature gradient selects

Negative supply (system ground)

×3 multiplier output

Voltage regulator output

Voltage regulator output adjust

Voltage regulator output ON/OFF control

Resistor connection. Open when using external clock

Resistor connection. Clock input when using external clock

Positive supply (system VCC)

S1F76610 Series

S1F70000 Series EPSON 2–3

Technical Manual

S1F76610

Series

SPECIFICATIONS

Absolute Maximum Ratings

Notes

1. Using the IC under conditions exceeding the aforementioned absolute maximum ratings may lead to permanent destruction of

the IC. Also, if an IC is operated at the absolute maximum ratings for a longer period of time, its functional reliability may be

substantially deteriorated.

2. All the voltage ratings are based on VDD = 0V.

3. The output terminals (VO,VREG) are meant to output boosted voltage or stabilized boosted voltage. They, therefore, are not the

terminals to apply an external voltage. In case the using specifications unavoidably call for application of an external voltage,

keep such voltage below the voltage ratings given above.

Reconmmended Operating Conditions

VDD = 0V, Ta = –40 to +85˚C unless otherwise noted

Notes

1. The recommended circuit configuration for low-valtage operation (when VIis between –1.2V and –2.2V) is shown in

the following figure. Note that diode D1 should have a maximum forward voltage of 0.6V with 1.0mA forward current.

2. RLmin can be varied depending on the input voltage.

Rating

Parameter Symbol Conditions

Oscillator startup voltage

Oscillator shutdown voltage

Load resistance

Output current

Clock frequency

CR oscillator network resistance

Capacitance

Stabilization voltage sensing resis-

tance

VSTA

VSTP

fOSC

ROSC

C1, C2, C3

RRV

ROSC =1MΩ

C3= 10 µF, CL/C3≤1/20,

Ta = –20 to +85˚C.

See note 1.

ROSC = 1MΩ

Min.

—

–1.8

RLmin.

See note 2.

—

10.0

680

3.3

100

Typ.

—

Max.

–1.8

–2.2

—

20.0

30.0

2,000

—

1,000

Unit

Ω

kHz

kΩ

µF

kΩ

N = 2: Boosting to a double voltage

N = 3: Boosting to a triple voltage

OSC1, OSC2, POFF

TC1, TC2, RV

VONote 3)

VREG Note 3)

Plastic package

At leads

Parameter Codes Ratings Units Remarks

Input supply voltage

Input terminal voltage

Output voltage

Allowable dissipation

Working temperature

Storage temperature

Soldering temperature

and time

VI– VDD

VO– VDD

Topr

Tstg

Tsol

–20/N to VDD + 0.3

VI– 0.3 to VDD + 0.3

VO– 0.3 to VDD + 0.3

–20 to VDD + 0.3

VOto VDD + 0.3

Max. 300

–40 to +85

–55 to +150

260 • 10

°C

°C • s

S1F76610 Series

2–4 EPSON S1F70000 Series

Technical Manual

3. RLmin is a function of V1

Electrical Characteristics

VDD = 0V, V1= –5V, Ta = –40 to +85°C unless otherwise noted

10µF

OSC

1MΩ

22µF

01Input voltage (V)

Minimum load resistance (kΩ)

654321.5

STA2

STA1

Voltage

tripler

Voltage

doubler

SymbolParameter Conditions

Input voltage

Output voltage

Regulator voltage

Stabilization circuit operating voltage

Multiplier current

Stabilization current

Quiescent current

Clock frequency

VREG

IOPR1

IOPR2

fOSC

RL= ∞, RRV = 1MΩ,

VO= –18V

RL= ∞, ROSC = 1MΩ

RL= ∞, RRV = 1MΩ,

VO= –15V

TC2 = TC1 = VO, RL= ∞

ROSC = 1MΩ

Rating

Min.

–6.0

–18.0

—

16.0

Typ.

—

5.0

—

20.0

Max.

–1.8

—

–2.6

–3.2

12.0

2.0

24.0

Unit

µA

kHz

S1F76610 Series

S1F70000 Series EPSON 2–5

Technical Manual

S1F76610

Series

Unit

Ω

%/V

Ω

%/˚C

µA

Parameter

Output impedance

Multiplication efficiency

Stabilization output voltage

differential

Stabilization output load differential

Stabilization output saturation

resistance

Reference voltage

Temperature gradient

POFF, TC1, TC2, OSC1, and RV

input leakage current

Symbol

Peff

RSAT

VRV

ILKI

∆VREG

∆IO

Conditions

IO= 10mA

IO= 5mA

∆VREG

∆VO·VREG

VO= –18 to –8V,

VREG = –8V, RL= ∞,

Ta = 25˚C

VO= –15V,

VREG = –8V, Ta = 25˚C,

IO= 0 to 10µA,

TC1 = VDD, TC2 = VO

RSAT = ∆(VREG – VO)/∆IO,

IO= 0 to 10µA,

RV= VDD, Ta = 25˚C

TC2 = TC1 = VO,

Ta = 25˚C

TC2 = VDD, TC1 = VO,

Ta = 25˚C

See note.

Rating

Min.

—

90.0

—

–2.3

–1.7

–1.1

–0.25

–0.5

–0.7

—

Typ.

150

95.0

0.2

5.0

8.0

–1.5

–1.3

–0.9

–0.1

–0.4

–0.6

—

Max.

200

—

–1.0

–1.1

–0.8

–0.01

–0.3

–0.5

2.0

RC2 = VO, TC1 = VDD,

Ta = 25˚C

Note

|VREG (50°C)| – |VREG (0°C)|

50°C – 0°C100

|VREG (25°C)|

CT= ×

S1F76610 Series

2–6 EPSON S1F70000 Series

Technical Manual

Typical Performance Characteristics

1000

100

110 100 1000 10000

OSC

[kΩ]

OSC

[kHz]

= –5V

= –3V

= –2V

Ta = 25°C

8–40 –20 0 20 40 60 80 100

Ta [°C]

OSC

[kHz]

= –5.0V

= –3.0V

= –2.0V

(1) Clock frequency vs. External resistance (2) Clock frequency vs. Ambient temperature

150

100

0–7 –6 –5 –4 –3 –2 –1 0

VI[V]

IOPR [µA]

fOSC = 40kHz

fOSC =

20kHz

fOSC = 10kHz

Ta = 25°C

–5

–10

–150 10203040

[mA]

[V]

Ta = 25°C

= –5.0V

×2 multiplier

×3 multiplier

(3) Multiplier current vs. Input voltage (4) Output voltage vs. Output current

S1F76610 Series

S1F70000 Series EPSON 2–7

Technical Manual

S1F76610

Series

–5

–10

–15 0 102030

[mA]

Vo [V]

×2 multiplier

×3 multiplier

Ta = 25°C

= –3.0V

[mA]

[V]

012345678910

–1

–2

–3

–4

–5

–6

Ta = 25°C

= –2.0V

×2 multiplier

×3 multiplier

(5) Output voltage vs. Output current (6) Output voltage vs. Output current

100

0 1020304050

[mA]

Peff [%]

×3 multiplier

Ta = 25°C

= –5.0V

×2 multiplier

Peff

×3 multiplier

Peff

×2 multiplier

0 5 10 15 20 25 30

[mA]

100

Peff [%]

Ta = 25°C

= –3.0V

×3 multiplier

Peff

×2 multiplier

Peff

×2 multiplier

(7) Multiplication efficiency/input current (8) Multiplication efficiency/input current

vs. Output current vs. Output current

S1F76610 Series

2–8 EPSON S1F70000 Series

Technical Manual

012345678910

[mA]

100

Peff [%]

Ta = 25°C

= –2.0V

×2 multiplier

Peff

×3 multiplier

Peff

×3 multiplier

×2 multiplier

500

400

300

200

100

0–7 –6 –5 –4 –3 –2 –1 0

[V]

[Ω]

Ta = 25°C

= 6mA

×3 multiplier

×2 multiplier

(9) Multiplication efficiency/input current (10) Output impedance vs. Input voltage

vs. Output current

–7 –6 –5 –4 –3 –2 –1 0

[V]

500

400

300

200

100

[Ω]

×3 multiplier

Ta = 25°C

= 10mA

×2 multiplier

100

50 1 10 100 1000

OSC

[kHz]

Peff [%]

= 2mA

= 5mA

= 10mA

= 20mA

= 30mA

Ta = 25°C

= –5.0V

(11) Output impedance vs. Input voltage (12) Multiplication efficiency vs. Clock frequency

S1F76610 Series

S1F70000 Series EPSON 2–9

Technical Manual

S1F76610

Series

1 10 100 1000

OSC

[kHz]

100

Peff [%]

= 0.5mA

= 1.0mA

= 2.0mA

= 4.0mA

Ta = 25°C

= – 3.0V

= –15V

–7.850

–7.900

–7.950

–8.000

0.0001 0.0010 0.0100 0.1000

Ta = 25°C

REG

[V]

(13) Multiplication efficiency vs. Clock frequency (14) Output voltage vs. Output current

–5.850

–5.900

–5.950

–6.000

0.0001 0.0010 0.0100 0.1000

REG

[V]

= –9V

Ta = 25°C

–2.850

–2.900

–2.950

–3.000

REG

[V]

0.0001 0.0010 0.0100 0.1000

[V]

= –6V

Ta = 25°C

(15) Output voltage vs. Output current (16) Output voltage vs. Output current

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