Electronic Components Datasheet Search |
|
TPS61170 Datasheet(PDF) 3 Page - Texas Instruments |
|
|
TPS61170 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 22 page www.ti.com ELECTRICAL CHARACTERISTICS TPS61170 SLVS789 – NOVEMBER 2007 VIN = 3.6 V, CTRL = VIN, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT VI Input voltage range, VIN 3.0 18 V IQ Operating quiescent current into VIN Device PWM switching no load 2.3 mA ISD Shutdown current CRTL=GND, VIN = 4.2 V 1 µA UVLO Under-voltage lockout threshold VIN falling 2.2 2.5 V Vhys Under-voltage lockout hysterisis 70 mV ENABLE AND REFERENCE CONTROL V(CTRLh) CTRL logic high voltage VIN = 3 V to 18 V 1.2 V V(CTRL) CTRL logic low voltage VIN = 3 V to 18 V 0.4 V R(CTRL) CTRL pull down resistor 400 800 1600 k Ω toff CTRL pulse width to shutdown CTRL high to low 2.5 ms tes_det Easy Scale detection time(1) CTRL pin low 260 µs tes_delay Easy Scale detection delay 100 µs tes_win Easy Scale detection window time 1 ms VOLTAGE AND CURRENT CONTROL VREF Voltage feedback regulation voltage 1.204 1.229 1.254 V Voltage feedback regulation voltage under V(REF_PWM) VFB = 492 mV 477 492 507 mV reprogram IFB Voltage feedback input bias current VFB = 1.229 V 200 nA fS Oscillator frequency 1.0 1.2 1.5 MHz Dmax Maximum duty cycle VFB = 100 mV 90% 93% tmin_on Minimum on pulse width 40 ns Isink Comp pin sink current 100 µA Isource Comp pin source current 100 µA Gea Error amplifier transconductance 240 320 400 umho Rea Error amplifier output resistance 5 pF connected to COMP 6 M Ω fea Error amplifier crossover frequency 5 pF connected to COMP 500 kHz POWER SWITCH VIN = 3.6 V 0.3 0.6 RDS(on) N-channel MOSFET on-resistance Ω VIN = 3.0 V 0.7 ILN_NFET N-channel leakage current VSW = 35 V, TA = 25°C 1 µA OC and SS ILIM N-Channel MOSFET current limit D = Dmax 0.96 1.2 1.44 A ILIM_Start Start up current limit D = Dmax 0.7 A tHalf_LIM Time step for half current limit 5 ms tREF Vref filter time constant 180 µs tstep VREF ramp up time 213 µs (1) EasyScale communication is allowed immediately after the CTRL pin has been low for more than tes_det. To select EasyScale™ mode, the CTRL pin must be low for more than tes_det the end of tes_win. Copyright © 2007, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS61170 |
Similar Part No. - TPS61170 |
|
Similar Description - TPS61170 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |