MIL-M-38510-126 Microcircuits, Linear, Regulating, Pulse Width Modulator, Monolithic SiliconThis specification covers the detail requirements for monolithic silicon, pulse width modulator microcircuits. Two product assurance classes and a choice of case outlines and lead finishes are provided and are reflected in the complete part number. For this product, the requirements of MIL-M-38510 have been superseded by MIL-PRF-38535, see 6.3

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Test

Symbol

Conditions

VIN = 20 V dc, RT = 3.6 kν ±0.1 %, RD = 0 kν, CT = 0.01 ∝F ±0.1 %,

-55°C = TC = +125°C

unless otherwise specified

Device type

Limits

Units

Min

Max

Reference section

Output voltage

VREF

TC = -55°C, +125°C

02, 04

5.0

5.2

V

TC = +25°C

5.05

5.15

Line regulation

VRLINE

VIN = 8 V to 35 V

02, 04

-30

30

mV

Load regulation

VRLOAD

IREF = 0 to -20 mA

02, 04

-50

50

mV

Short circuit current

IOS  1/

VREF = 0 V, t < 25 ms

02, 04

-125

mA

Output noise voltage

NO

10 Hz = f = 10 kHz

02, 04

200

∝V rms

Ripple rejection

VIN /

VREF

VIN = 20 V, +1 V rms, f = 2400 Hz, TC = +25°C

02, 04

50

dB

Oscillator section

Initial frequency

fOSC

TC = +25°C

02, 04

37.5

42.5

kHz

Oscillator frequency over temperature

fOSC2

TC = -55°C, +125°C

02, 04

36

44

kHz

Saturation voltage

VSAT

(OSC)

IDIS = 5 mA, VOSC = 5 V, TC = +25°C

02, 04

0.5

1.1

V

Clock amplitude

VOSC

02, 04

3.0

V

Clock pulse width

tPW

TC = -55°C, +25°C

02, 04

0.3

1.0

∝s

TC = +125°C

0.3

1.4

Ramp voltage

VRAMP

02, 04

3.0

3.6

V

Voltage stability

fOSC1 /

VIN

VIN = 8 V to 35 V, TC = +25°C

02, 04

-1

1

%

Minimum frequency

fOSC

(MIN)

RT = 150 kν ±0.1 %,

CT = 0.1 ∝F ±1.0 %, RD = 0 kν

02, 04

150

Hz

Maximum frequency

fOSC

(MAX)

RT = 2 kν ±0.1 %,

CT = 0.001 ∝F ±1.0 %, RD = 0 kν

02, 04

300

kHz

Sync    4/

VSYNC

(LO)

02, 04

0.8

V

VSYNC

(HI)

2.8

Sync input current

ISYNC

Sync voltage = 3.5 V

02, 04

2.5

mA