LM2651MTC-1.8 National Semiconductor, LM2651MTC-1.8 Datasheet - Page 4

• Manufacturer Part Number: LM2651MTC-1.8
• Description: 1.5A High Efficiency Synchronous Switching Regulator
• Manufacturer: National Semiconductor

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V
V
V
V
V
V
I
I
R
R
I
V
G
V
V
I
I
A
Q
QSD
L
CL
SM
(V
Specifications in standard type face are for T
perature range. V
HYST
FB
OUT
OUT
OUT
HYST
BOOT
INUV
UV-HYST
V
SW(ON)
DS(ON)
LM2651-3.3 System Parameters
Symbol
LM2651-ADJ System Parameters
Symbol
All Output Voltage Versions
Symbol
M
OUT
= 2.5V unless otherwise specified)
Sleep Mode Output Voltage
Hysteresis
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
Error Amplifier Voltage Gain
IN
Undervoltage Lockout
IN
= 10V unless otherwise specified.
Parameter
Parameter
Parameter
J
I
V
I
I
V
I
V
Shutdown Pin Pulled Low
I
I
I
Rising Edge
V
V
LOAD
LOAD
LOAD
LOAD
SWITCH
SWITCH
BOOT
= 25˚C and those with boldface type apply over full operating junction tem-
IN
IN
IN
IN
IN
= 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
(Continued)
Conditions
Conditions
Conditions
4
Typical
Typical
Typical
1.238
1250
6.75
110
130
130
210
100
100
0.2
1.3
0.3
1.6
3.8
60
24
75
7
2
6.45/6.40
6.95/7.00
1.200
1.263
12/20
Limit
Limit
Limit
3.95
1.55
2.60
130
2.0
m (max)
mA(max)
µA(max)
V(max)
V(max)
V(max)
A(max)
V(min)
V(min)
A(min)
Units
Units
Units
µmho
m
m
V/V
mV
mV
mA
mV
mA
µA
nA
nA
%
%
%
V
V
V
A