UPC1933GR datasheet(8/22 Pages) RENESAS

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Data Sheet G13690EJ3V0DS00

µµµµ PC1933

Electrical Characteristics (unless otherwise specified, TA

= 25 °°°°C, VCC ==== 3 V, fOSC = 100 kHz)

Block

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Start-up voltage

VCC (L-H)

IREF = 0.1 mA

1.57

Operation stop voltage

VCC (H-L)

IREF = 0.1 mA

1.5

Hysteresis voltage

IREF = 0.1 mA

Under

voltage

Lock-out

section

Reset voltage (timer latch)

VCCR

IREF = 0.1 mA

1.0

Reference voltage

VREF

IREF = 1 mA

2.0

2.1

2.2

Line regulation

REGIN

2.5 V

≤VCC≤20 V

12.5

Load regulation

REGL

0.1 mA

≤IREF≤1 mA

7.5

Reference

Voltage

section

Temperature coefficient

∆VREF/∆T

−20 °C≤TA≤+85 °C, IREF = 0 A

0.5

fOSC setting accuracy

∆fOSC

RT = 18 k

Ω−20

+30

Oscillation

section

fOSC total stability

∆fOSC

−20 °C≤TA≤+85 °C,

2.5 V

≤VCC≤20 V

−20

+50

Maximum duty

DMAX.

PWM

comparator

section

Soft start time

tSS

CDLY = 0.1

µ F50

Input threshold voltage

VITH

0.285

0.3

0.315

Input bias current

−100

+100

Open loop gain

VO = 0.3 V

Unity gain

funity

VO = 0.3 V

1.5

MHz

Maximum output voltage (

VOM

IO =

−45

µ A1.6

Maximum output voltage (

−)

VOM

−

IO = 45

µ A

0.02

0.5

Output sink current

IOsink

VFB = 0.5 V

0.8

1.4

m A

Error

Amplifier

section

Output source current

IOsource

VFB = 1.6 V

−70

−45

µ A

Drain cutoff current

ILEAK

VO = 30 V

100

µ A

Output ON voltage

VOL

RL = 150

Ω

0.2

0.6

Rise time

RL = 150

Ω

Output

section

Fall time

RL = 150

Ω

Input sense voltage

VTH

1.75

1.92

2.05

UV sense voltage

VUV

0.8

0.85

Source current on short-circuiting

IOUV

1.0

1.6

2.7

µ A

Short-circuit

Protection

section

Delay time

tDLY

CDLY = 0.1

µ F50

Overall

Circuit operation current

ICC

VCC = 3 V

1.4

2.6

3.9

Caution Connect a capacitor of 0.01 to 10

µµµµ F to the VREF pin.

CREF = 0.01 to 10 F

PC1933

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