SIM3C134 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SIM3C134

High-Performance, Low-Power, 32-Bit Precision32™ MCU Family with up to 256 kB of Flash

Silicon Laboratories 

SiM3C1xx

Table 3.6. External Regulator

Parameter

Input Voltage Range (at

VREGIN)

Output Voltage (at

EXREGOUT)

NPN Current Drive

PNP Current Drive

EXREGBD Voltage (PNP

Mode)

Symbol

VREGIN

VEXREGOUT

INPN

IPNP

VEXREGBD

Standalone Mode Output

Current

External Capacitance with

External BJT

Standalone Mode Load

Regulation

Standalone Mode External

Capacitance

Current Limit Range

Current Limit Accuracy

Foldback Limit Accuracy

Current Sense Resistor

Internal Pull-Down

Internal Pull-Up

Current Sensor

Sensing Pin Voltage

IEXTREGBD

CBJT

LRSTAND-

ALONE

CSTAND-

ALONE

ILIMIT

RSENSE

RPD

RPU

VEXTREGSP

VEXTREGSN

Differential Sensing Voltage

VDIFF

Current at EXTREGSN Pin

Current at EXTREGSP Pin

IEXTREGSN

IEXTREGSP

Test Condition

Programmable in

100 mV steps

400 mV Dropout

VEXREGBD > VREGIN-

1.5 V

VREGIN >= 3.5 V

VREGIN < 3.5 V

400 mV Dropout

1  Sense Resistor

Measured at

EXTREGSP or

EXTREGSN pin

(VEXTREGSP –

VEXTREGSN)

Min

Typ

3.0

—

1.8

—

12

—

–6

—

VREGIN –

—

2.0

1.5

—

—

—

4.7

—

—

1

47

—

10

—

—

—

—

—

—

—

—

5

—

10

2.2

—

10

—

—

8

—

VDIFF x 200

+ 12

Max

3.6

3.6

—

—

—

—

11.5

—

—

—

720

10

20

1

—

—

VREGIN

1600

—

—

Unit

V

V

mA

mA

V

V

mA

µF

mV/mA

nF

mA

%

%



k

k

V

mV

A

A

14

Rev.1.0

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