LT1933 Linear Technology, LT1933 Datasheet - Page 3

no-image

LT1933

Manufacturer Part Number
LT1933
Description
600mA 500kHz Step-Down Switching Regulator in SOT-23
Manufacturer
Linear Technology
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LT1933CS6
Manufacturer:
LT
Quantity:
3 495
Part Number:
LT1933CS8
Manufacturer:
LT
Quantity:
10 000
Part Number:
LT1933ES6
Manufacturer:
LT/凌特
Quantity:
20 000
Part Number:
LT1933ES6#PBF
Manufacturer:
LT
Quantity:
12
Part Number:
LT1933ES6#TRMPBF
Manufacturer:
LINEAR
Quantity:
8 000
Part Number:
LT1933ES6#TRMPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LT1933ES6#TRMPBF
Quantity:
7
Part Number:
LT1933ES6#TRPBF
Manufacturer:
LT
Quantity:
10 460
Part Number:
LT1933ES6#TRPBF
Manufacturer:
AD
Quantity:
100
Part Number:
LT1933ES6#TRPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LT1933ES6TRMPBF
Manufacturer:
LT
Quantity:
120
Part Number:
LT1933HDCB
Manufacturer:
LT
Quantity:
10 000
Part Number:
LT1933HDCB#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LT1933HDCB#TRMPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
TYPICAL PERFOR A CE CHARACTERISTICS
1.260
1.255
1.250
1.245
1.240
1.235
1.230
800
600
500
400
100
700
90
80
70
60
–50
0
0
Efficiency, V
Maximum Load Current
Feedback Voltage
T
V
T
V
A
A
OUT
OUT
= 25°C
= 25°C
–25
100
= 5V
= 5V
5
LOAD CURRENT (mA)
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
200
10
OUT
L = 33µH
V
25
IN
D1 = MBRM140
L1 = Toko D53LCB 33µH
300
= 12V
15
= 5V
V
50
IN
L = 22µH
= 24V
400
20
75
W
500
25
100
1933 G01
1933 G04
1933 G07
U
600
125
30
100
800
700
600
500
400
3.8
3.6
3.4
3.2
3.0
90
80
70
60
–50
0
0
Efficiency, V
Undervoltage Lockout
Maximum Load Current
T
V
T
V
A
A
OUT
OUT
= 25°C
= 25°C
–25
100
= 3.3V
= 3.3V
5
LOAD CURRENT (mA)
0
INPUT VOLTAGE (V)
TEMPERATURE (°C)
200
10
V
IN
OUT
V
L = 22µH
= 5V
25
IN
D1 = MBRM140
L1 = Toko D53LCB 22µH
300
= 12V
15
= 3.3V
50
V
L = 15µH
IN
400
20
= 24V
75
500
25
100
1933 G02
1933 G05
1933 G08
600
125
30
1200
1000
800
400
200
600
500
400
300
200
100
600
550
500
450
400
600
0
0
–50
0
0
Switch Current Limit
Switch Voltage Drop
Switching Frequency
T
A
= 25°C
–25
0.1
20
www.DataSheet4U.com
T
SWITCH CURRENT (A)
A
0
TEMPERATURE (°C)
TYPICAL
MINIMUM
= 85°C
0.2
DUTY CYCLE (%)
40
T
25
A
= 25°C
0.3
50
60
LT1933
0.4
75
T
A
= –40°C
80
0.5
100
1933 G03
1933 G06
1933 G09
3
1933f
100
0.6
125

Related parts for LT1933