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CLDO

BCM4354 Data Sheet

BROADCOM CONFIDENTIAL

Broadcom®

October 15, 2014 • 4354-DS109-R

Page 162

CLDO

Table 47: CLDO Specifications

Specification

Notes

Min.

Typ.

Max. Units

Input supply voltage, Vin

Min. = 1.2 + 0.15V = 1.35V dropout voltage

requirement must be met under maximum

load.

1.3

1.35

1.5

Output current

–

0.2

–

300

Output voltage, Vo

Programmable in 25 mV steps.

Default = 1.2.V

1.1

1.2

1.275 V

Dropout voltage

At max. load

–

150

Output voltage DC accuracy

Includes line/load regulation

–4

–

Quiescent current

No load

–

µA

300 mA load

–

2.1

–

Line Regulation

Vin from (Vo + 0.15V) to 1.5V, maximum load –

–

mV/V

Load Regulation

Load from 1 mA to 300 mA

–

0.02

0.05

mV/mA

Leakage Current

Power down

–

µA

Bypass mode

–

13µA

PSRR

@1 kHz, Vin ≥ 1.35V, Co = 4.7 µF

–

Start-up Time of PMU

VIO up and steady. Time from the REG_ON

rising edge to the CLDO reaching 1.2V.

––

700

µs

LDO Turn-on Time

LDO turn-on time when rest of the chip is up –

140

180

µs

External Output Capacitor, Co

Total ESR: 5 mΩ–240 mΩ

1.32a

a. Minimum capacitor value refers to the residual capacitor value after taking into account the part–to–part

tolerance, DC–bias, temperature, and aging.

4.7

–

µF

External Input Capacitor

Only use an external input capacitor at the

VDD_LDO pin if it is not supplied from

CBUCK output.

–1

2.2

µF

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