LDO Plus
Analog Devices’ LDO Plus devices provide additional functionality and features beyond the basic linear regulator performance. Functionality may include voltage, current, and temperature monitoring; diagnostic information; and features such as programmable current limit, active output discharge, or the ability to control an upstream supply powering the LDO.
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LDO Plus
| SortOrder | Part# | Number of Outputs | Vin (min) (V) | Vin (max) (V) | Output Current (typ) (A) | Output Voltage | Dropout Voltage (typ) (V) | RMS Noise (typ) (V) | Isupply (typ) (A) | Features | Price (1000+) ($ US) | Accuracy (typ) (%) | PSRR (typ) (dB) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LT3094 | 1 | -20 | -1.8 | 500m | Adj | 235m | 800n | 2.35m | Current Source Reference, Output Current Monitor, Power Good, Shutdown, Ultrahigh PSRR, Ultralow Noise, VIOC | $2.80 (LT3094EDD#PBF) | 1 | 74 |
| 2 | LT3033 | 1 | 950m | 10 | 3 | Adj | 95m | 60µ | 1.9m | Output Current Monitor, Power Good, Shutdown | $3.05 (LT3033EUDC#PBF) | 1.5 | 60 |
| 3 | LT3070-1 | 1 | 950m | 3 | 5 | Adj | 85m | 25µ | 1m | Digitally Programmable, Marginning, Power Good, Separate Bias Pin, Ultrafast Transient | $4.20 (LT3070EUFD-1#PBF) | 0.6 | 72 |
| 4 | LT3045-1 | 1 | 1.8 | 20 | 500m | Adj | 260m | 800n | 2.2m | Current Source Reference, Output Current Monitor, Power Good, Shutdown, Ultrahigh PSRR, Ultralow Noise, VIOC | $2.80 (LT3045EDD-1#PBF) | 1 | 76 |
| 5 | LT3045 | 1 | 1.8 | 20 | 500m | Adj | 260m | 800n | 2.4m | Current Source Reference, Output Current Monitor, Power Good, Shutdown, Ultrahigh PSRR, Ultralow Noise | $2.80 (LT3045EDD#PBF) | 1 | 76 |
| 6 | LT3089 | 1 | 1.2 | 36 | 800m | Adj | 1.47 | 27µ | 1.1m | Cable Drop Compensation, Current Source Reference, Output Current Monitor, Temperature Monitor | $2.13 (LT3089EDF#PBF) | 1 | 90 |
| 7 | LT3066 | 1 | 1.8 | 45 | 500m | Adj | 300m | 25µ | 64µ | Active Output Discharge, Shutdown | $2.00 (LT3066EDE#PBF) | 1 | 85 |
| 8 | LT3091 | 1 | -36 | -1.5 | 1.5 | -Adj | 300m | 18µ | 1.2m | Cable Drop Compensation, Current Source Reference, Output Current Monitor, Shutdown | $2.87 (LT3091EDE#PBF) | 1 | 85 |
| 9 | LT3042 | 1 | 1.8 | 20 | 200m | Adj | 350m | 800n | 2m | Current Source Reference, Output Current Monitor, Power Good, Shutdown, Ultrahigh PSRR, Ultralow Noise | $2.25 (LT3042EDD#PBF) | 1 | 117 |
| 10 | LT3061 | 1 | 1.6 | 45 | 100m | Adj | 250m | 30µ | 45µ | Active Output Discharge, Shutdown | $1.55 (LT3061EDCB#TRPBF) | 1 | 85 |
| 11 | LT3063 | 1 | 1.6 | 45 | 200m | Adj | 300m | 30µ | 45µ | Active Output Discharge, Shutdown | $1.67 (LT3063EDCB#TRPBF) | 1 | 85 |
| 12 | LT3090 | 1 | -36 | -1.5 | 600m | -Adj | 300m | 18µ | 1m | Cable Drop Compensation, Current Source Reference, Output Current Monitor, Shutdown | $2.15 (LT3090EDD#PBF) | 1 | 85 |
| 13 | LT3081 | 1 | 1.2 | 36 | 1.5 | Adj | 1.21 | 27µ | 1.1m | Cable Drop Compensation, Current Source Reference, Output Current Monitor, Temperature Monitor | $2.60 (LT3081EDF#PBF) | 1 | 90 |
| 14 | LT3055 | 1 | 2 | 45 | 500m | Adj | 350m | 25µ | 65µ | Output Current Monitor, Power Good, Shutdown, Temperature Monitor | $2.20 (LT3055EDE#PBF) | 1 | 85 |
| 15 | LT3086 | 1 | 1.4 | 40 | 2.1 | Adj | 330m | 40µ | 1.2m | Cable Drop Compensation, Current Source Reference, Output Current Monitor, Power Good, Shutdown, Temperature Monitor | $3.00 (LT3086EDHD#PBF) | 1 | 80 |
| 16 | LT3071 | 1 | 950m | 3 | 5 | Adj | 85m | 25µ | 1.35m | Digitally Programmable, Marginning, Output Current Monitor, Power Good, Separate Bias Pin, Ultrafast Transient | $4.20 (LT3071EUFD#PBF) | 0.6 | 30 |
| 17 | LT3070 | 1 | 950m | 3 | 5 | Adj | 85m | 25µ | 1m | Digitally Programmable, Marginning, Power Good, Separate Bias Pin, Ultrafast Transient | $4.20 (LT3070EUFD#PBF) | 0.6 | 72 |
| 18 | LT3050 | 1 | 1.6 | 45 | 100m | 3.3, 5, Adj | 340m | 30µ | 45µ | Output Current Monitor, Shutdown | $1.55 (LT3050EDDB#TRPBF) | 1 | 85 |
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