MAX5094A datasheet(4/22 Pages) MAXIM

Part #	MAX5094A

Description	High-Performance, Single-Ended, Current-Mode PWM Controllers

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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High-Performance, Single-Ended, Current-Mode

PWM Controllers

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +15V, RT = 10k

Ω, CT = 3.3nF, REF = open, CREF = 0.1µF, COMP = open, VFB = 2V, CS = GND, TA = TJ = -40°C to +85°C,

unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

ADV_CLK (MAX5095C Only)

ADV_CLK High Voltage

VADV_CLKH

IADV_CLK = 10mA source

2.4

3

V

ADV_CLK Low Voltage

VADV_CLKL

IADV_CLK = 10mA sink

0.4

V

ADV_CLK Output Pulse Width

tPULSE

85

ns

ADV_CLK Rising Edge to OUT

Rising Edge

tADV_CLK

110

ns

ADV_CLK Source and Sink

Current

IADV_CLK

10

mA

ELECTRICAL CHARACTERISTICS

(VCC = +15V, RT = 10k

Ω, CT = 3.3nF, REF = open, CREF = 0.1µF, COMP = open, VFB = 2V, CS = GND, TA = TJ = -40°C to +125°C,

unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

REFERENCE

Output Voltage

VREF

TA = +25°C, IREF = 1mA

4.950

5.000

5.050

V

Line Regulation

∆VLINE

12V

≤ VCC ≤ 25V, IREF = 1mA

0.4

4

mV

Load Regulation

∆VLOAD

1mA

≤ IREF ≤ 20mA

6

25

mV

Total Output Variation

VREFT

1mA

≤ IREF ≤ 20mA, 12V ≤ VCC ≤ 25V

4.9

5.1

V

Reference Output-Noise Voltage

VNOISE

10Hz

≤ f ≤ 10kHz, TA = +25°C

50

µV

Reference Output Short Circuit

IS_SC

VREF = 0V

-30

-100

-180

mA

OSCILLATOR

Initial Accuracy

TA = +25°C

51

54

57

kHz

Voltage Stability

12V

≤ VCC ≤ 25V

0.2

0.5

%

Temp Stability

-40

°C ≤ TA ≤ +125°C

1

%

RT/CT Voltage Ramp (P-P)VRAMP

1.7

V

RT/CT Voltage Ramp Valley

VRAMP_VALLEY

1.1

V

VRT/CT = 2V, TA = +25°C

7.9

8.3

8.7

Discharge Current

IDIS

VRT/CT = 2V, -40°C

≤ TA ≤ +125°C

7.5

8.3

9.0

mA

Frequency Range

fOSC

20

1000

kHz

ERROR AMPLIFIER (MAX5094)

FB Input Voltage

VFB

FB shorted to COMP

2.465

2.5

2.535

V

FB Input Bias Current

IB(FB)

-0.01

-0.1

µA

Open-Loop Voltage Gain

AVOL

2V

≤ VCOMP ≤ 4V

100

dB

Unity-Gain Bandwidth

fGBW

1

MHz

Power-Supply Rejection Ratio

PSRR

12V

≤ VCC ≤ 25V (Note 2)

60

80

dB

COMP Sink Current

ISINK

VFB = 2.7V, VCOMP = 1.1V

2

6

mA

COMP Source Current

ISOURCE

VFB = 2.3V, VCOMP = 5V

-0.5

-1.2

-1.8

mA

COMP Output High Voltage

VCOMPH

VFB = 2.3V, RCOMP =15k

Ω to GND

5

5.8

V

COMP Output Low Voltage

VCOMPL

VFB = 2.7V, RCOMP = 15k

Ω to REF

0.1

1.1

V

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