6

TPS62136, TPS621361

SLVSDV2 – MARCH 2017

www.ti.com

Product Folder Links: TPS62136 TPS621361

Submit Documentation Feedback

Copyright © 2017, Texas Instruments Incorporated

Electrical Characteristics (continued)

°C. (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

(1)

See also HICCUP Current Limit And Short Circuit Protection (TPS62136 only) and Current Limit And Short Circuit Protection

(TPS621361 only).

(2)

The output voltage accuracy in Power Save Mode can be improved by increasing the output capacitor value, reducing the output voltage

ripple (see Pulse Width Modulation (PWM) Operation).

POWER SWITCH

High-Side MOSFET ON-

Resistance

100

180

mΩ

Low-Side MOSFET ON-

Resistance

39

67

mΩ

High-Side MOSFET

Current Limit

4.8

5.6

6.5

A

Low-Side MOSFET

Current Limit

4.8

5.6

6.5

A

Negative current limit

dc value

1.5

A

PWM Switching

Frequency

1

MHz

OUTPUT

Feedback Voltage

0.7

V

Input Leakage Current

(FB)

1

70

nA

Feedback Voltage

PWM mode

-1%

1%

1.5 V

PFM mode; Co,eff

≥ 47

µF, L = 1.5 µH

-1%

2%

1 V

PFM mode; Co,eff

≥ 60

µF, L = 1.5 µH

-1%

2.5%

PFM mode; Co,eff

≥ 75

µF, L = 1.5 µH

-1%

2.5%

Feedback Voltage

Accuracy with Voltage

Tracking

0.35 V

PWM mode

-2%

7.5%

FB2 resistance to GND

when VSEL= high

10

30

Ω

Input Leakage Current in

FB2 when VSEL = low

1

70

nA

Load Regulation

PWM mode operation

0.05

%/A

Line Regulation

or VIN

≥ 3.5 V whichever is larger

0.02

%/V

Output Discharge

Resistance

TPS62136 only

100

Ω

Start-up Delay time

applied already

200

300

µs

Ramp time; SS/TR pin

open

of nominal output voltage; device not in current limit

150

µs