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TPS62110HPWP
High Temperature 17-V, 1.5-A, Synchronous Step-Down Converter 16-HTSSOP -55 to 175
SYNC
GND PGND
VO= 3.3 V
6.8Hm
= 22F
6.3 Vm
VIN
LBI= 10F
25 Vm
1Fm
= 3.8 V to 17 VI
VIN
VINA
PGNDGND PwPD
AGND
TPS62110 SW
LBO
1 MW
TPS62110-HT
www.ti.com SLVSAO9B –DECEMBER 2010–REVISED FEBRUARY 2011
17-V, 1.5-A, SYNCHRONOUS STEP-DOWN CONVERTER
Checkfor Samples: TPS62110-HT
1FEATURES High-Efficiency Synchronous Step-Down SUPPORTS EXTREME TEMPERATURE
Converter With upto 95% Efficiency APPLICATIONS Controlled Baseline•
3.1-Vto 17-V Operating Input Voltage Range One Assembly/Test Site•
Adjustable Output Voltage Range From One Fabrication Site1.2Vto16V Availablein Extreme (–55°C/175°C)•
Synchronizableto External Clock Signal upto
Temperature Range(2)
1.4 MHz Extended Product Life Cycle•
Upto 1.5-A Output Peak Current(1)
Extended Product-Change Notification•
32-µA Quiescent Current (Typ) •
Product Traceability•
High Efficiency Overa Wide Load Current •
Texas Instruments high temperature productsRange Dueto PFM/PWM Operation Mode utilize highly optimized silicon (die) solutions•
100% Maximum Duty Cycle for Lowest with design and process enhancementstoDropout maximize performance over extended
temperatures.•
Overtemperature and Overcurrent Protected Availablein 16-Pin (PWP) QFP Package TYPICAL APPLICATION
APPLICATIONS Down-Hole Drilling High Temperature Environments(1) Reducelife time may happen when 1.5-A limitis usedfor long
time. Please refertothe EM calculations graph. (2) Custom temperature ranges available
INFORMATION step-down dc-dc converter thatis ideally suited for systems poweredor froma 12-Vor 15-V rail. with P-channel power MOSFET increase efficiency andto reduce external component count. To range, the converter enters pulse-frequency currents. Operating frequencyis
inductor and capacitor can be synchronizedto an external clock signalin range 0.8 the converter can be operatedin PWM-only shutdownto less than2 μA. The TPS62110isin the free-air temperature rangeof –55°Cto 175°C.
