LM2651MTCX-ADJ National Semiconductor, LM2651MTCX-ADJ Datasheet - Page 4

• Manufacturer Part Number: LM2651MTCX-ADJ
• Description: Conv DC-DC Single Step Down 4V to 14V 16-Pin TSSOP T/R
• Manufacturer: National Semiconductor
• Type: Step Downr

Specifications of LM2651MTCX-ADJ

• Package: 16TSSOP
• Number Of Outputs: 1
• Minimum Input Voltage: 4 V
• Maximum Input Voltage: 14 V
• Switching Frequency: 280 to 330 KHz
• Operating Supply Voltage: 4 to 14 V
• Maximum Output Current: 1.5 A
• Output Type: Adjustable
• Output Voltage: 1.24 to 13 V
• Switching Regulator: Yes
• Efficiency: 97 %
• Operating Temperature: -40 to 125 °C

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V
V
V
V
V
I
I
R
R
I
V
G
V
V
I
I
A
I
I
V
Q
QSD
L
CL
SM
EA_SOURCE
EA_SINK
FB
OUT
OUT
OUT
HYST
BOOT
INUV
UV-HYST
V
EAH
SW(ON)
DS(ON)
M
LM2651-ADJ System Parameters
(V
All Output Voltage Versions
Specifications in standard type face are for T
perature range. V
Symbol
Symbol
OUT
= 2.5V unless otherwise specified)
Feedback Voltage
Output Voltage Line
Regulation
Output Voltage Load
Regulation
Output Voltage Load
Regulation
Sleep Mode Output Voltage
Hysteresis
Quiescent Current
Quiescent Current in
Shutdown Mode
High-Side or Low-Side Switch
On Resistance (MOSFET On
Resistance + Bonding Wire
Resistance)
MOSFET On Resistance
(High-Side or Low-Side)
Switch Leakage Current - High
Side
Switch Leakage Current - Low
Side
Bootstrap Regulator Voltage
Error Amplifier
Transconductance
V
Threshold Voltage
Hysteresis for the
Undervoltage Lockout
Switch Current Limit
Sleep Mode Threshold Current V
Error Amplifier Voltage Gain
Error Amplifier Source Current
Error Amplifier Sink Current
Error Amplifier Output Swing
Upper Limit
IN
Undervoltage Lockout
IN
=10V unless otherwise specified.
Parameter
Parameter
I
V
I
I
V
I
V
Shutdown Pin Pulled Low
I
I
I
Rising Edge
V
LOAD
LOAD
LOAD
LOAD
SWITCH
SWITCH
BOOT
J
IN
IN
IN
IN
IN
= 25˚C and those with boldface type apply over full operating junction tem-
= 4V to 14V
= 5V
= 5V
= 5V
= 5V
= 900 mA
= 900 mA
= 10 mA to 1.5A
= 200 mA to 1.5A
= 1 mA
= 1A
= 1A
Conditions
Conditions
4
Typical
Typical
1.238
1250
6.75
2.70
110
130
130
210
100
100
0.2
1.3
0.3
1.6
3.8
24
75
40
65
7
2
6.45/6.40
6.95/7.00
2.50/2.40
1.200
1.263
12/20
25/15
Limit
Limit
3.95
1.55
2.60
130
2.0
30
mA(max)
mΩ(max)
µA(max)
µA(min)
µA(min)
V(max)
V(max)
V(max)
A(max)
V(min)
V(min)
A(min)
V(min)
Units
Units
µmho
mV
mA
mΩ
mΩ
mV
mA
V/V
µA
nA
nA
µA
µA
%
%
%
V
V
V
A
V