Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

MAX1921 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # MAX1921
Description  Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23
PDF  9 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1921 Datasheet(HTML) 3 Page - Maxim Integrated Products

  MAX1921 Datasheet HTML 1Page - Maxim Integrated Products MAX1921 Datasheet HTML 2Page - Maxim Integrated Products MAX1921 Datasheet HTML 3Page - Maxim Integrated Products MAX1921 Datasheet HTML 4Page - Maxim Integrated Products MAX1921 Datasheet HTML 5Page - Maxim Integrated Products MAX1921 Datasheet HTML 6Page - Maxim Integrated Products MAX1921 Datasheet HTML 7Page - Maxim Integrated Products MAX1921 Datasheet HTML 8Page - Maxim Integrated Products MAX1921 Datasheet HTML 9Page - Maxim Integrated Products  
Zoom Inzoom in Zoom Outzoom out
 3 / 9 page
background image
Low-Voltage, 400mA Step-Down
DC-DC Converters in SOT23
_______________________________________________________________________________________
3
100
0
0.1
1
10
100
1000
EFFICIENCY vs. LOAD CURRENT
(VOUT = 3.3V)
20
LOAD CURRENT ( mA)
40
60
80
70
50
30
10
90
VIN = 3.6V
VIN = 4.2V
VIN = 5V
100
0
0.1
1
10
100
1000
EFFICIENCY vs. LOAD CURRENT
(VOUT = 2.5V)
20
LOAD CURRENT ( mA)
40
60
80
70
50
30
10
90
VIN = 2.7V
VIN = 3.3V
VIN = 5V
100
0
0.1
1
10
100
1000
EFFICIENCY vs. LOAD CURRENT
(VOUT = 1.5V)
20
LOAD CURRENT ( mA)
40
60
80
70
50
30
10
90
VIN = 2.5V
VIN = 3.3V
VIN = 5V
3.201
3.234
3.267
3.300
3.333
3.366
3.399
0
100
50
150 200 250 300 350 400
OUTPUT VOLTAGE ACCURACY vs. LOAD
(VOUT = 3.3V)
LOAD (mA)
VIN = 3.6V
VIN = 5V
VIN = 4.2V
2.425
2.450
2.475
2.500
2.525
2.550
2.575
0
100
50
150 200 250 300 350 400
OUTPUT VOLTAGE ACCURACY vs. LOAD
(VOUT = 2.5V)
LOAD (mA)
VIN = 3V
VIN = 5V
1.455
1.470
1.485
1.500
1.515
1.530
1.545
0
100
50
150 200 250 300 350 400
OUTPUT VOLTAGE ACCURACY vs. LOAD
(VOUT = 1.5V)
LOAD (mA)
VIN = 5V
VIN = 3.3V
VIN = 2.5V
Typical Operating Characteristics
(CIN = 2.2µF ceramic, Circuit of Figure 1, components of Table 1, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 3.6V, SHDN = IN, TA = 0°C to +85°C. Typical parameters are at TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Low-Side Current Limit
ILIMN
350
550
800
mA
High-Side On-Resistance
RONHS
ILX = -40mA, VIN = 3V
0.6
1.1
Ω
Rectifier On-Resistance
RONSR
ILX = 40mA, VIN = 3V
0.5
0.9
Ω
Rectifier Off-Current Threshold
ILXOFF
60
mA
LX Leakage Current
ILXLEAK
IN = SHDN = 5.5V, LX = 0 to IN
0.1
5.0
µA
LX Reverse Leakage Current
ILXLKR
IN unconnected, VLX = 5.5V, SHDN = GND
0.1
5.0
µA
Minimum On-Time
tON(MIN)
0.28
0.4
0.5
µs
Minimum Off-Time
tOFF(MIN)
0.28
0.4
0.5
µs
Note 1: All devices are 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed
by design.



Html Pages

1 2 3 4 5 6 7 8 9


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com