Datasheet

TPS62736
TPS62737
www.ti.com SLVSBO4B –OCTOBER 2012–REVISED JULY 2013
THERMAL INFORMATION
RGY
THERMAL METRIC
(1)
UNITS
14-Pins
θ
JA
Junction-to-ambient thermal resistance 33.7
θ
JCtop
Junction-to-case (top) thermal resistance 37.6
θ
JB
Junction-to-board thermal resistance 10.1
°C/W
ψ
JT
Junction-to-top characterization parameter 0.4
ψ
JB
Junction-to-board characterization parameter 10.3
θ
JCbot
Junction-to-case (bottom) thermal resistance 2.9
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
RECOMMENDED OPERATING CONDITIONS
MIN NOM MAX UNIT
IN IN voltage range 2 5.5 V
TPS62736 Input Capacitance 4.7
C
IN
μF
TPS62737 Input Capacitance 22
C
OUT
Output Capacitance 10 22 μF
R
1
+
R
2
+ Total Resistance for setting reference voltage 13 MΩ
R
3
TPS62736 Inductance 4.7 10
L
BUCK
μH
TPS62737 Inductance 10
TPS62736 Operating free air ambient temperature –40 85
T
A
°C
TPS62737 Operating free air ambient temperature –20 85
T
J
Operating junction temperature –40 105 °C
ELECTRICAL CHARACTERISTICS
Over recommended ambient temperature range, typical values are at T
A
= 25°C. Unless otherwise noted, specifications apply
for conditions of V
IN
= 4.2 V, V
OUT
= 1.8 V External components, C
IN
= 4.7 µF for TPS62736 and 22 µF for TPS62737 , L
BUCK
= 10 µH, C
OUT
= 22 µF
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
QUIESCENT CURRENTS
TPS62736 Buck enabled state
380 550
(EN1 = 0, EN2 = 1)
TPS62736 Buck disabled VIN_OK active state nA
340 520
(EN1 = 0, EN2 = 0)
TPS62736 Ship mode state (EN1 = 1, EN2 = x) 10 65
I
Q
V
IN
= 2 V, No load on V
OUT
TPS62737 Buck enabled state
375 600
(EN1 = 0, EN2 = 1)
TPS62737 Buck disabled VIN_OK active state nA
345 560
(EN1 = 0, EN2 = 0)
TPS62737 Ship mode state (EN1 = 1, EN2 = x) 11 45
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