LM1770UMF
vs
LM1770SMFX/NOPB
feature comparison
All Stats
Differences Only
Rohs Code
No
Yes
Part Life Cycle Code
Transferred
Obsolete
Ihs Manufacturer
NATIONAL SEMICONDUCTOR CORP
TEXAS INSTRUMENTS INC
Package Description
SOT-23, 5 PIN
LSSOP, TSOP5/6,.11,37
Reach Compliance Code
not_compliant
compliant
ECCN Code
EAR99
EAR99
HTS Code
8542.39.00.01
8542.39.00.01
Analog IC - Other Type
SWITCHING CONTROLLER
SWITCHING CONTROLLER
Control Mode
VOLTAGE-MODE
VOLTAGE-MODE
Control Technique
PULSE WIDTH MODULATION
PULSE WIDTH MODULATION
Input Voltage-Max
5.5 V
5.5 V
Input Voltage-Min
2.8 V
2.8 V
Input Voltage-Nom
3.3 V
3.3 V
JESD-30 Code
R-PDSO-G5
R-PDSO-G5
JESD-609 Code
e0
e3
Length
2.92 mm
2.9 mm
Moisture Sensitivity Level
1
1
Number of Functions
1
1
Number of Terminals
5
5
Operating Temperature-Max
125 °C
125 °C
Operating Temperature-Min
-40 °C
-40 °C
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
TSSOP
LSSOP
Package Equivalence Code
TSOP5/6,.11,37
TSOP5/6,.11,37
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)
260
260
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
1.02 mm
1.45 mm
Surface Mount
YES
YES
Switcher Configuration
PUSH-PULL
PUSH-PULL
Switching Frequency-Max
1000 kHz
1000 kHz
Technology
CMOS
CMOS
Temperature Grade
AUTOMOTIVE
AUTOMOTIVE
Terminal Finish
Tin/Lead (Sn/Pb)
MATTE TIN
Terminal Form
GULL WING
GULL WING
Terminal Pitch
0.95 mm
0.95 mm
Terminal Position
DUAL
DUAL
Time@Peak Reflow Temperature-Max (s)
40
30
Width
1.6 mm
1.6 mm
Base Number Matches
3
1
Pbfree Code
No
Part Package Code
SOT-23
Pin Count
5
Additional Feature
ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 0.8V
Compare LM1770UMF with alternatives
Compare LM1770SMFX/NOPB with alternatives