TPS61170-Q1_15 datasheet(6/30 Pages) TI

Part #	TPS61170-Q1

Description	TPS61170-Q1 1.2-A High-Voltage Boost Converter in 2-mm 횞 2-mm SON Package

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Manufacturer	TI [Texas Instruments]

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Temperature- C

°

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DutyCycle-%

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VOUT =24V

VIN=8.5V

VIN=5V

VIN=12V

OutputCurrent-mA

11.88

11.90

11.92

11.94

11.96

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V -InputVoltage-V

I

T

=25°C

A

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=100mA

LOAD

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=85°C

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=-40°C

A

TPS61170-Q1

SLVSAX2A – SEPTEMBER 2011 – REVISED JULY 2015

www.ti.com

7.7 Typical Characteristics

L = TOKO A915_Y-100M, D1 = ONsemi MBR0540T1, unless otherwise noted

Table 1. Table of Graphs

Typical Application

FIGURE

Efficiency

VIN = 5V; VOUT = 12 V, 18 V, 24 V, 30 V

Figure 17

Efficiency

VIN = 5 V, 8.5 V, 12 V; VOUT = 24 V

Figure 1

Output voltage accuracy

ILOAD= 100 mA

Figure 2

Switch current limit

TA = 25°C

Figure 3

Switch current limit

Figure 4

Error amplifier transconductance

Figure 5

EasyScale step

Figure 6

PWM switching operation

VIN = 5 V; VOUT = 12 V; ILOAD= 250 mA

Figure 7

Load transient response

VIN = 5 V; VOUT = 12 V; ILOAD= 50 mA to 150 mA

Figure 8

Start-up

VIN = 5 V; VOUT = 12 V; ILOAD= 250 mA

Figure 9

Skip-cycle switching

VIN = 9 V ; VOUT = 12 V, ILOAD= 100 μA

Figure 10

Figure 2. Output Voltage vs Input Voltage

Figure 1. Efficiency vs Output Current

Figure 3. Switch Current Limit vs Duty Cycle

Figure 4. Switch Current Limit vs Temperature

6

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