CS51021AEDR16G Ver la hoja de datos (PDF) - ON Semiconductor

Número de pieza

componentes Descripción

Fabricante

CS51021AEDR16G

Enhanced Current Mode PWM Controller

ON Semiconductor 

CS51021A, CS51022A, CS51023A, CS51024A

ELECTRICAL CHARACTERISTICS (Unless otherwise stated, specifications apply for −40°C < TA < 85°C, −40°C < TJ < 150°C,

3.0 V < VC < 20 V, 8.2 V < VCC < 20 V, RT = 12 kW, CT = 390 pF)

Characteristic

Test Conditions

Min

Typ

Max

Unit

Under Voltage Lockout

START Threshold (CS51021A/2A)

−

7.95

8.25

8.8

V

START Threshold (CS51023A/4A)

−

12.4

13

13.4

V

STOP Threshold

−

7.4

7.7

8.2

V

Hysteresis (CS51021A/2A)

−

0.50

0.75

1.00

V

Hysteresis (CS51023A/4A)

−

4.0

5.0

6.0

V

ICC @ Startup (CS51021A/2A)

ICC @ Startup (CS51023A/4A)

ICC Operating (CS51021A/3A)

ICC Operating (CS51022A/4A)

ICC Operating

Voltage Reference

VCC < UVSTART Threshold

VCC < UVSTART Threshold

−

−

Includes 1.0 nF Load

−

40

75

mA

−

45

75

mA

−

7.0

9.0

mA

−

6.0

8.0

mA

−

7.0

12

mA

Initial Accuracy

Total Accuracy

Line Regulation

Load Regulation

NOISE Voltage

TA = 25°C, IREF = 2.0 mA, VCC = 14 V, (Note 2)

4.95

5.0

1.0 mA < IREF < 10 mA

4.9

5.0

8.2 V < VCC < 18 V, IREF = 2.0 mA

−

6.0

1.0 mA < IREF < 10 mA

−

6.0

(Note 2)

−

50

5.05

V

5.15

V

20

mV

15

mV

−

mV

OP Life Shift

T = 1000 Hours, (Note 2)

−

4.0

20

mV

FAULT Voltage

OK Voltage

OK Hysteresis

Current Limit

Error Amplifier

Force VREF

Force VREF

Force VREF

Force VREF

0.90 × VREF 0.93 × VREF 0.95 × VREF V

0.94 × VREF 0.96 × VREF 0.985 × VREF V

75

165

250

mV

−20

−

−

mA

Initial Accuracy

TA = 25°C, IREF = 2.0 mA, VCC = 14 V,

VFB = COMP, (Note 2)

2.465

2.515

2.565

V

Reference Voltage

VFB Leakage Current

Open Loop Gain

VFB = COMP

VFB = 0 V

1.4 V < COMP < 4.0 V, (Note 2)

2.440

−

60

2.515

−0.2

90

2.590

V

−2.0

mA

−

dB

Unity Gain Bandwidth

(Note 2)

1.5

2.5

−

MHz

COMP Sink Current

COMP Source Current

COMP High Voltage

COMP Low Voltage

PS Ripple Rejection

COMP = 1.5 V, VFB = 2.7 V

COMP = 1.5 V, VFB = 2.3 V

VFB = 2.3 V

VFB = 2.7 V

FREQ = 120 Hz, (Note 2)

2.0

6.0

−0.2

−0.5

4.35

4.8

0.4

0.8

60

85

−

mA

−

mA

5.0

V

1.2

V

−

dB

SS Clamp, VCOMP

VSS = 2.5 V, VFB = 0 V, ISET = 2.0 V

ILIM(SET) Clamp

(Note 2)

2. Guaranteed by design, not 100% tested in production.

2.4

2.5

0.95

1.0

2.6

V

1.15

V

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