Datasheet

LM2653
www.ti.com SNVS050E –NOVEMBER 1999–REVISED APRIL 2013
Electrical Characteristics (continued)
Specifications with standard typeface are for T
J
= 25°C, and those in boldface type apply over full Operating Temperature
Range. V
IN
= 10V unless otherwise specified.
Symbol Parameter Conditions Typical
(1)
Limit
(2)
Units
V
HYST
Sleep Mode Feedback Voltage
24 mV
Hysteresis
I
Q
Quiescent Current 1.7 mA
2.0 mA(max)
I
QSD
Quiescent Current in Shutdown Pin Pulled Low 7 μA
Shutdown Mode 12/20 μA(max)
R
DS(ON)
High-Side or Low-Side I
SWITCH
= 1A 75 mΩ
MOSFET ON Resistance 130 mΩ (max)
R
SW(ON)
High-Side or Low-Side Switch I
SWITCH
= 1A 110 mΩ
On Resistance (MOSFET ON
Resistance + Bonding Wire
Resitstance)
I
L
Switch Leakage 130 nA
Current—High Side
Switch Leakge Current—Low 130 nA
Side
V
BOOT
Bootstrap Regulator Voltage I
BOOT
= 1 mA 6.75 V
6.45/6.40 V(min)
6.95/7.00 V(max)
G
M
Error Amplifier 1250 μmho
Transconductance
A
V
Error Amplifier Voltage Gain 100
I
EA_SOURCE
Error Amplifier Source V
IN
= 3.6V, V
FB
= 1.17V, V
COMP
= 2V 40 μA
Current 25/15 μA(min)
I
EA_SINK
Error Amplifier Sink Current V
IN
= 3.6V, V
FB
= 1.31V, V
COMP
= 2V 65 μA
30 μA(min)
V
EAH
Error Amplifier Output Swing V
IN
= 4V, V
FB
= 1.17V 2.70 V
Upper Limit 2.50/2.40 V(min)
V
EAL
Error Amplifier Output Swing V
IN
= 4V, V
FB
= 1.31V 1.25 V
Lower Limit 1.35/1.50 V(max)
V
D
Body Diode Voltage I
DIODE
= 1.5A 1 V
F
OSC
Oscillator Frequency Measured at Switch Pin 300 kHz
V
IN
= 4V 280/255 kHz(min)
330/345 kHz(max)
D
MAX
Maximum Duty Cycle V
IN
= 4V 95 %
92 %(min)
I
SS
Soft-Start Current Voltage at the SS Pin = 1.4V 11 μA
7 μA(min)
14 μA(max)
V
OUTUV
V
OUT
Undervoltage Lockout 81 %V
OUT
Threshold Voltage 76 %V
OUT
(min)
84 %V
OUT
(max)
Hysteresis for V
OUTUV
5 %V
OUT
V
OUTOV
V
OUT
Overvoltage Lockout 108 %V
OUT
Threshold Voltage 106 %V
OUT
(min)
114 %V
OUT
(max)
Hysteresis for V
OUTOV
3 %V
OUT
I
LDELAY―
LDELAY Pin Source Current 5 μA
SOURCE
I
PGOOD―SINK
PGOOD Pin Sink Current V
PGOOD
= 0.4V 15 mA(max)
I
PGOOD―LEAKA
PGOOD Pin Leakage Current V
PGOOD
= 5V 50 nA
GE
I
SHUTDOWN
Shutdown Pin Current Shutdown Pin Pulled Low 2.2 μA
0.8/0.5 μA(min)
3.7/4.0 μA(max)
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