UA7527L-S08-R datasheet(4/6 Pages) UTC

4 / 6 page

UA7527

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R114-003.b

ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified)

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

VCC

Multiplier, Error Amp and Comparator Input Voltages

VIN

-0.3 ~ 6

Peak Drive Output Current

IOH, IOL

±500

Output Clamping Diodes Current VO > VCC or VO < -0.3V

lCLAMP

±10

Detect Clamping Diodes Current

lDET

±10

Power Dissipation

0.8

Junction Temperature

150

°C

Operating Temperature

TOPR

-25 ~ 125

°C

Storage Temperature

TSTG

-65 ~ 150

°C

Note:

Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

TEMPERATURE CHARACTERISTICS (-25°C ≤ TA ≤ 125°C)

PARAMETER

SYMBOL

RATINGS

UNIT

Temperature Stability for Reference Voltage (VREF)

∆VREF

Temperature Stability for Multiplier Gain (K)

∆K/∆T

-0.2

%/°C

ELECTRICAL CHARACTERISTICS (VCC= 14V, -25°C ≤ TA ≤ 125°C, unless otherwise specified.)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

UNDER VOLTAGE LOCKOUT SECTION

Start Threshold Voltage

VTH(ST)

VCC Increasing

10.5

11.5

12.5

UV lockout Hysteresis

HY(ST)

SUPPLY CURRENT SECTION

Start-up Supply Current

IST

VCC = VTH(ST) -0.2V

100

Operating Supply Current

ICC

Output not switching

Operating Current at OVP

ICC(OVP) VINV = 3V

1.7

Dynamic Operating Supply Current

IDCC

50kHz, CI = 1nF

ERROR AMPLIFIER SECTION

Voltage Feedback Input Threshold

VREF

IREF = 0mA, TA = 25°C

2.465

2.5

2.535

-25 ≤ TA ≤ 125°C

2.44

2.5

2.56

Line Regulation

∆VREF1 14V ≤ VCC ≤ 25V

0.1

Temperature Stability of VREF (Note 1)

∆VREF3 -25 ≤ TA ≤ 125°C

Input Bias Current

IB(EA)

-0.5

0.5

Output Current

ISOURCE VM2 = 4V

-2

-4

ISINK

VM2 = 4V

Output Upper Clamp Voltage (Note 2)

VEAO(H) ISOURCE = 0.1mA

Output Lower Clamp Voltage (Note 3)

VEAO(L)

ISINK = 0.1mA

2.25

Large Signal Open Loop gain (Note 4)

Power Supply Rejection Ratio (Note 5)

PSRR

14V ≤ VCC ≤ 25V

Unity Gain Bandwidth (Note 6)

GBW

MHz

Slew Rate (Note7)

0.6

V/us

MULTIPLIER SECTION

Input Bias Current (Pin3)

IB (M)

-0.5

0.5

M1 Input Voltage Range (Pin3)

∆VM1

3.8

M2 Input Voltage Range (Pin2)

∆VM2

VREF

VREF+2.5 V

Multiplier Gain (Note8)

VM1 = 1V, VM2 = 3.5V

0.36

0.44

0.52

1/V

Maximum Multiplier Output Voltage

VOMAX(M) VINV =0V, VM1 = 4V

1.65

1.8

1.95

Multiplier Gain Stability (Note 9)

∆K/∆T

-25 ≤ TA ≤ 125°C

-0.2

%/°C

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