SG3526 datasheet(3/10 Pages) MOTOROLA | PULSE WIDTH MODULATION CONTROL CIRCUIT

3 page

SG3526

MOTOROLA ANALOG IC DEVICE DATA

ELECTRICAL CHARACTERISTICS (VCC = +15 Vdc, TJ = Tlow to Thigh [Note 5], unless otherwise noted.)

Characteristics

Symbol

Min

Typ

Max

Unit

REFERENCE SECTION (Note 6)

Reference Output Voltage (TJ = +25°C)

Vref

4.90

5.00

5.10

Line Regulation (+8.0 V

≤ VCC ≤ +35 V)

Regline

–

Load Regulation (0 mA

≤ IL ≤ 20 mA)

Regload

–

Temperature Stability

∆Vref/∆T

–

Total Reference Output Voltage Variation

(+8.0 V

≤ VCC ≤ +35 V, 0 mA ≤ IL ≤ 20 mA)

∆Vref

4.85

5.00

5.15

Short Circuit Current (Vref = 0 V) (Note 2)

ISC

125

UNDERVOLTAGE LOCKOUT

Reset Output Voltage (Vref = +3.8 V)

–

0.2

0.4

Reset Output Voltage (Vref = +4.8 V)

2.4

4.8

–

OSCILLATOR SECTION (Note 7)

Initial Accuracy (TJ = +25°C)

–

±3.0

±8.0

Frequency Stability over Power Supply Range

(+8.0 V

≤ VCC ≤ +35 V)

∆fosc

∆

VCC

–

0.5

1.0

Frequency Stability over Temperature

(

∆TJ = Tlow to Thigh)

∆fosc

∆ TJ

–

2.0

–

Minimum Frequency

(RT = 150 kΩ, CT = 20 µF)

fmin

–

0.5

–

Maximum Frequency

(RT = 2.0 kΩ, CT = 0.001 µF)

fmax

400

–

kHz

Sawtooth Peak Voltage (VCC = +35 V)

Vosc(P)

–

3.0

3.5

Sawtooth Valley Voltage (VCC = +8.0 V)

Vosc(V)

0.45

0.8

–

ERROR AMPLIFIER SECTION (Note 8)

Input Offset Voltage (RS ≤ 2.0 kΩ)

VIO

–

2.0

Input Bias Current

IIB

–

–350

–2000

Input Offset Current

IIO

–

200

DC Open Loop Gain (RL ≥ 10 MΩ)

AVOL

–

High Output Voltage

(VPin 1–VPin 2 ≥ +150 mV, Isource = 100 µA)

VOH

3.6

4.2

–

Low Output Voltage

(VPin 2–VPin 1 ≥ +150 mV, Isink = 100 µA)

VOL

–

0.2

0.4

Common Mode Rejection Ratio (RS ≤ 2.0 kΩ)

CMRR

–

Power Supply Rejection Ratio (+12 V

≤ VCC ≤ +18 V)

PSRR

–

NOTES: 2. Maximum junction temperature must be observed.

5. Tlow = 0°CThigh = +125°C

6. IL = 0 mA unless otherwise noted.

7. fosc = 40 kHz (RT = 4.12 kΩ ± 1%, CT = 0.01 µF ± 1%, RD = 0 Ω)

8. 0 V

≤ VCM ≤ +5.2 V.

Número de Pieza	Descripción de Componentes	Html View	Fabricante
CP494	SWITCHMODE Pulse Width Modulation Control Circuit	1 2 3 4 5 More	Ceramate Technical
TL494	SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT	1 2 3 4 5 More	Motorola, Inc
TL594	PRECISION SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT	1 2 3 4 5 More	Motorola, Inc
SG3526	PULSE WIDTH MODULATION CONTROL CIRCUIT	1 2 3 4 5 More	ON Semiconductor
PJ494	Switchmode Pulse Width Modulation Control Circuit	1 2 3 4 5 More	List of Unclassifed Manufacturers
TL494	SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT	1 2 3 4 5 More	ON Semiconductor
NTE1722	Integrated Circuit Pulse Width Modulator PWM Control Circuit	1 2 3 4	NTE Electronics
NTE1729	Integrated Circuit Pulse Width Modulator PWM Control Circuit	1 2 3 4	NTE Electronics
NTE1753	Integrated Circuit Pulse Width Modulator PWM Control Circuit	1 2 3 4	NTE Electronics
NTE7096	Integrated Circuit Current Mode Pulse Width Modulator PWM Control Circuit	1 2 3	NTE Electronics

Número de Pieza relacionado

Enlace URL

Patrocinador de Alldatasheet