TK65133M Просмотр технического описания (PDF) - Toko America Inc

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TK65133M

STEP-UP VOLTAGE CONVERTER WITH VOLTAGE MONITOR

Toko America Inc  

TK651xx

TK65127 ELECTRICAL CHARACTERISTICS

Over operating temperature range and supply voltage range, unless otherwise specified.

SYMBOL

PARAMETER

TEST CONDITIONS

MIN TYP

VIN

IB(Q)

I(VIN)

I(VOUT)

∆fOSC /∆T

V

OUT(REG)

∆VOUT /∆T

VOUT(LOI)

∆VOUT(LOI)

RSW(ON)

EFF

Supply Voltage

No Load Battery Current (Note 3)

Quiescent Current into VIN Pin

VIN = 1.3 V, IOUT = 0 mA,

T = 25 ° C

A

VIN = 1.3 V, IOUT = 0 mA,

TA = 25 ° C

Quiescent Current into VOUT Pin VIN = 1.3 V, IOUT = 0 mA,

Temperature Stability of Oscillator VIN = 1.3 V, No Pulse Skipping

Regulation Threshold of V

OUT

T = 25 ° C

A

Temperature Stability of VOUT(REG) VIN = 1.3 V, IOUT = 0 mA,

VOUT During LOI Transition

VIN = 1.3 V, TA = 25 ° C

VOUT(LOI) Threshold Hysteresis

TA = 25 ° C

On-resistance of SW Pin

VOUT ≥ 2.4 V

Converter Efficiency (Notes 2,3)

VIN = 1.3 V, IOUT = 6 mA,

L = 95 µH, 3DF Coil

0.90

2.56

2.24

56

12.5

14.5

0.1

2.70

100

2.36

38

1.0

76

VULV

Undervoltage Lockout Voltage

TA = 25 ° C, (Note 4)

VIN = 1.1 V, TA = 25 ° C,

L = 95 µH, 3DF Coil

0.45

6

7.6

IOUT(MAX)

Maximum IOUT for Converter

(Notes 1,3)

VIN = 1.3 V, TA = 25 ° C,

L = 95 µH, 3DFCoil

VIN = 1.1 V, TA = 25 ° C,

L = 39 µH, D73 Coil

8

12.8

15.5

VIN = 1.3 V, TA = 25 ° C,

L = 39 µH, D73 Coil

33.6

MAX

1.60

UNITS

V

84

µA

20

µA

23

µA

%/° C

2.79

V

ppm/° C

2.45

V

mV

Ω

%

0.79

V

mA

mA

mA

mA

Inductor L: Toko A682AE-014 or equivalent

Diode D: LL103A or equivalent

Capacitors CN:CO:CB: Panasonic TE series,

ECS-TOJY106R

RN

BENCH TEST CIRCUIT

I(VIN) VIN

LOI

Note 1:

Note 2:

IB

VIN

1K

CN

10 µF

GND

IND

L = 95 µH

CB

10 µF

CS

D

220 pF RS

GND 300 kΩ

VOUT

I(VOUT)

CO

10 µF

Note 3:

IOUT

Note 4:

VOUT

Maximum load current depends on

inductor value and input voltages.

Output ripple depends on filter

capacitor values, ESRs and the

inductor value.

When using specified Toko inductor

and Schottky diode with VF = 0.45 V

@ 100 mA.

Regulation not guaranteed.

1K

Page 4

January 1999 TOKO, Inc.

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