LT1933IS6#PBF Linear Technology, LT1933IS6#PBF Datasheet - Page 5

• Manufacturer Part Number: LT1933IS6#PBF
• Description: IC, STEP-DOWN REGULATOR, 6-TSOT-23
• Manufacturer: Linear Technology

Specifications of LT1933IS6#PBF

• Primary Input Voltage: 36V
• No. Of Outputs: 1
• Output Current: 600mA
• No. Of Pins: 6
• Operating Temperature Range: -40°C To +125°C
• Supply Voltage Range: 3.6V To 36V
• Switching Frequency Max: 600kHz
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
700
600
500
400
300
200
100
8
7
6
5
4
0
0.0
1
V
Frequency Foldback
Typical Minimum Input Voltage
T
OUT
I
A
V
L
SW
= 25°C
200mA/DIV
10mV/DIV
TO START
TO RUN
10V/DIV
LOAD CURRENT (mA)
FB PIN VOLTAGE (V)
0.5
Operating Waveforms
V
L = 22μH, C
10
IN
= 12V, V
OUT
OUT
1.0
= 22μF
= 3.3V, I
100
V
T
L = 33μH
A
OUT
= 25°C
OUT
= 5V
1933 G10
1933 G13
= 400mA,
1.5
V
1.2V
V
1.8V
OUT2
1933 G16
OUT1
1.4
1.2
1.0
0.8
0.6
0.4
0.2
6.0
5.5
5.0
4.5
4.0
3.5
3.0
0
1
Soft-Start
0
Typical Minimum Input Voltage
T
DC = 30%
A
= 25°C
TO START
TO RUN
1
SHDN PIN VOLTAGE (V)
LOAD CURRENT (mA)
10
2
V
OUT
I
V
L
SW
200mA/DIV
10mV/DIV
10V/DIV
100
V
T
L = 22μH
3
A
OUT
= 25°C
Operating Waveforms,
Discontinuous Mode
V
L = 22μH, C
= 3.3V
IN
1933 G11
1933 G14
= 12V, V
4
OUT
OUT
= 22μF
= 3.3V, I
200
150
100
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
0
0
–50
0
SHDN Pin Current
Switch Current Limit
OUT
T
A
= 25°C
–25
= 20mA,
0
4
SHDN PIN VOLTAGE (V)
TEMPERATURE (°C)
V
1.2V
25
V
1.8V
OUT2
1933 G17
OUT1
50
8
LT1933
75
100
12
125
1933 G12
1933 G15
1933fe
5
150
16