April 1998

4-137

MIC3832/3833

Micrel

4

T

Parameter

Conditions

Min

Typical

Max

Units

Reference Section

Output Voltage

I

4.90

5.0

5.10

V

Input Regulation

V

5

20

mV

Output Regulation

I

6

25

mV

Temperature Stability

–0.2

mV/

°C

Total Output Variation

50

mV

Output Noise Voltage

f = 10Hz to 10kHz, T

µV

Long Term Stability

T

5.0

mV

Output Short Circuit Current

V

25

60

160

mA

Oscillator Section

Frequency

T

47

52

57

kHz

Voltage Stability

V

0.5

%

Amplitude (C

1.7

V

P-P

Discharge Current

T

1

2.3

5

mA

Synchronization

ac coupled

1.5

V

Error Amplifier Section

Input Offset Voltage

–15

±215

mV

Input Bias Current

0.6

3.0

µA

Input Offset Current

0.1

1.0

µA

Open Loop Gain

1V < V

60

82

dB

CMRR

1.5V < V

75

95

dB

PSRR

12V < V

85

120

dB

Output Sink Current

V

1.0

2.5

mA

Output Source Current

V

–0.5

–1.3

mA

Output High Voltage

I

4.0

4.9

5.0

V

Output Low Voltage

I

0.6

1.0

V

Soft Start/Max Duty Cycle Section

Bias Current

–0.05

µA

Discharge Current

13

mA

Duty Cycle Clamp Accuracy

40

50

60

%

Operating Ratings

Storage Temperature Range ................... –65

°C to +150°C

Operating Temperature Range .................. –40

°C to +85°C

Reference Load Current ............................................. 25mA

Supply Voltage (V

Supply Voltage (V

Oscillator Frequency Range ..................... 10kHz to 500kHz

Oscillator Timing Resistor ............................. 3k

Ω to 100kΩ

Oscillator Timing Capacitor .............................. 1nF to 10nF

Supply Voltage, V

Source/Sink Load Current (peak) .................................... 1A

Maximum Supply (Zener) Current .............................. 50mA

Junction Temperature ............................................... 150

°C

Lead Temperature, Soldering ....................... 260

°C for 10s

θ