UPC1934 查看數據表（PDF） - NEC => Renesas Technology

零件编号

产品描述 (功能)

比赛名单

UPC1934

DC-DC CONVERTER CONTROL IC

NEC => Renesas Technology 

µ PC1934

Electrical Characteristics (unless otherwise specified, TA = 25 °C, VCC = 3 V, fOSC = 100 kHz)

Block

Under

voltage

Lock-out

section

Reference

Voltage

section

Oscillation

section

Parameter

Start-up voltage

Operation stop voltage

Hysteresis voltage

Reset voltage (timer latch)

Reference voltage

Line regulation

Load regulation

Temperature coefficient

fOSC setting accuracy

fOSC total stability

Dead time

control

section

Input bias current

Low-level threshold voltage

High-level threshold voltage

Error

Input offset voltage

Amplifier

section

Input offset current

Input bias current

Common mode input voltage range

Open loop gain

Unity gain

Maximum output voltage (+)

Maximum output voltage (−)

Output sink current

Output source current

Output

Drain cutoff current

section

Output ON voltage

Rise time

Fall time

Short-circuit Input sense voltage

Protection

section

UV sense voltage

Source current on short-circuiting

Delay time

Overall

Circuit operation current

Symbol

Conditions

VCC (L-H)

IREF = 0.1 mA

VCC (H-L)

IREF = 0.1 mA

VH

IREF = 0.1 mA

VCCR

IREF = 0.1 mA

VREF

IREF = 1 mA

REGIN

2.5 V≤VCC≤20 V

REGL

0.1 mA≤IREF≤1 mA

∆VREF/∆T −20 °C≤TA≤+85 °C, IREF = 0 A

∆fOSC

RT = 11 kΩ, CT = 330 pF

∆fOSC

−20 °C≤TA≤+85 °C,

2.5 V≤VCC≤20 V

IBD

VTH (L)

Duty = 100 %

VTH (H)

Duty = 0 %

VIO

IIO

IB

VIMC

Av

VO = 0.3 V

funity

VOM+

VOM−

VO = 0.3 V

IO = −45 µ A

IO = 45 µ A

IOsink

VFB = 0.5 V

IOsource

VFB = 1.6 V

ILEAK

VOL

tr

tf

VO = 30 V

RL = 150 Ω

RL = 150 Ω

RL = 150 Ω

VTH

VUV

IOUV

tDLY

CDLY = 0.1 µ F

ICC

VCC = 3 V

MIN. TYP. MAX. Unit

1.57

V

1.5

V

30

70

mV

1.0

V

2.0

2.1

2.2

V

2

12.5 mV

2

7.5 mV

0.5

%

−15

+15

%

−30

+30

%

0.4

1.0

µA

1.2

V

1.6

V

−10

+10 mV

−100

+100 nA

−100

+100 nA

0

0.4

V

70

80

dB

1.5

MHz

1.6

2

V

0.02 0.5

V

0.8

1.4

mA

−70 −45 µ A

100 µ A

0.2

0.6

V

50

ns

60

ns

0.5 0.63 0.75

V

0.6

0.8 0.95

V

1.0

1.6

2.5

µA

50

ms

1.4

2.2

3.7

mA

Caution Connect a capacitor of 0.01 to 10 µ F to the VREF pin.

16

µ PC1934

8

CREF = 0.01 to 10 µF

6

Data Sheet G13567EJ3V0DS00

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