Datasheet

LM2757
SNVS536E –OCTOBER 2007–REVISED MAY 2013 www.ti.com
Electrical Characteristics
(1)(2)
Limits in standard typeface are for T
A
= 25ºC. Limits in boldface type apply over the full operating ambient temperature range
(-30°C ≤ T
A
≤ +85°C) . Unless otherwise noted, specifications apply to the Typical Application Circuit (pg. 1) with: V
IN
= 3.6V,
V(M0) = 0V, V(M1) = V
IN
,C
IN
= C
2
= 0.47 µF, C
IN
= C
OUT
= 1.0 µF
(3)
.
Symbol Parameter Condition Min Typ Max Units
3.2V ≤ V
IN
≤ 5.5V
–30°C ≤ T
A
≤ +60°C 4.870 5.130
5.0
I
OUT
= 0 to 180 mA (−2.6%) (+2.6%)
V(M0) = 0V, V(M1) = V
IN
3.0V ≤ V
IN
≤ 5.5V
–30°C ≤ T
A
≤ +85°C 4.865 5.130
5.0
I
OUT
= 0 to 150 mA (−2.7%) (+2.6%)
V
OUT
Output Voltage V
V(M0) = 0V, V(M1) = V
IN
3.0V ≤ V
IN
≤ 5.5V
4.406 4.613
I
OUT
= 0 to 110 mA 4.5
(–2.1%) (+2.5%)
V(M0) = V
IN
, V(M1) = 0V
3.0V ≤ V
IN
≤ 5.5V
3.985 4.223
I
OUT
= 0 to 100 mA 4.1
(–2.8%) (+3.0%)
V(M0) = V
IN
, V(M1) = V
IN
V(M0) = 0V, V(M1) = V
IN
(5.0V)
I
OUT
= 0 mA 2.4 2.79
V
IN
= 3.6V
V(M0) = V
IN
, V(M1) = 0V (4.5V)
I
Q
Quiescent Supply Current I
OUT
= 0 mA 1.5 1.80 mA
V
IN
= 3.6V
V(M0) = V
IN
, V(M1) = V
IN
(4.1V)
I
OUT
= 0 mA 1.3 1.65
V
IN
= 3.6V
V(M0) = 0V, V(M1) = 0V
I
SD
Shutdown Supply Current 1.1 2.0 µA
V
IN
= 3.6V
I
OUT
= 150 mA
V
R
Output Voltage Ripple V(M0) = 0V, V(M1) = V
IN
(5.0V) 20 mVp–p
3.0V ≤ V
IN
≤ 5.5V
0.932 (- 1.552
f
SW
Switching Frequency 3.0V ≤ V
IN
≤ 5.5V 1.242 MHz
25%) (+25%)
Input pins: M1, M0
V
IN
Logic Input High 1.0 V
IN
V
3.0V ≤ V
IN
≤ 5.5V
Input pins: M1, M0
V
IL
Logic Input Low 0 0.40 V
3.0V ≤ V
IN
≤ 5.5V
Logic Input Pulldown
R
PULLDOWN
V(M1, M0) = 5.5V 324 457 kΩ
Resistance (M0, M1)
Input Pins: M1, M0
I
IH
Logic Input High Current 5 µA
V(M1, M0) = 1.8V
(4)
Input Pins: M1, M0
I
IL
Logic Input Low Current 10 nA
V(M1, M0) = 0V
1.5X to 2X, V(M0) = V
IN
, V(M1)=0V 3.333 V
2X to 1.5X, V(M0) = V
IN
, V(M1)=0V 3.413 V
Hysteresis, V(M0) = V
IN
, V(M1)=0V 80 mV
V
G
Gain Transition Voltage
1.5X to 2X, V(M0) = 0V, V(M1)=V
IN
3.87 V
2X to 1.5X, V(M0) = 0V, V(M1)=V
IN
3.93 V
Hysteresis, V(M0) = 0V, V(M1)=V
IN
60 mV
I
SC
Short Circuit Output Current V
OUT
= 0V 250 mA
(1) All voltages are with respect to the potential at the GND pins.
(2) Min and Max limits are specified by design, test, or statistical analysis. Typical numbers are not ensured, but do represent the most
likely norm.
(3) C
IN
, C
OUT
, C
1
, C
2
: Low-ESR Surface-Mount Ceramic Capacitors (MLCCs) used in setting electrical characteristics.
(4) There is a 450 kΩ (typ.) pull-down resistor connected internally to each logic input.
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