Datasheet LT3487 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Boost and Inverting Switching Regulator for CCD Bias |
| Pages / Page | 16 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. FBN Voltage. FBP Bias Current. FBN … |
| File Format / Size | PDF / 296 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. FBN Voltage. FBP Bias Current. FBN Bias Current. Positive Channel Schottky I-V
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Text Version of Document
LT3487
W U TYPICAL PERFOR A CE CHARACTERISTICS FBN Voltage FBP Bias Current FBN Bias Current
10.0 26.0 26.0 7.5 5.0 25.5 25.5 2.5 (mV) µA) µA) 0 ( 25.0 ( 25.0 FBNV I FBP I FBN –2.5 –5.0 24.5 24.5 –7.5 –10.0 24.0 24.0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3487 G04 3487 G05 3487 G06
Positive Channel Schottky I-V Positive Channel Switch VCE(SAT) Negative Channel Switch VCE(SAT) Characteristic
500 500 600 500 400 400 400 300 300 300 200 200 200 100 100 100 POSITIVE SWITCH SATURATION VOLTAGE (mV) 0 NEGATIVE SWITCH SATURATION VOLTAGE (mV) 0 POSITIVE SCHOTTKY FORWARD CURRENT (mA) 0 0 100 200 300 400 500 600 0 100 200 300 400 500 600 700 800 900 600 650 700 750 800 850 900 950 1000 SWITCH CURRENT (mA) SWITCH CURRENT (mA) SCHOTTKY FORWARD DROP (mV) 3487 G07 3487 G08 3487 G09
Negative Channel Schottky I-V Output Disconnect Voltage Drop Characteristic (50mA Load) Maximum Disconnect Current
800 300 140 VCAP – VPOS = 500mV 700 T 120 A = 25°C 600 250 100 500 (mV) 80 400 POS 200 (mA) – V I CAP 60 300 CAPV 40 200 150 100 20 NEGATIVE SCHOTTKY FORWARD CURRENT (mA) 0 100 0 600 650 700 750 800 850 900 950 1000 –50 –25 0 25 50 75 100 125 0 2.5 5 7.5 10 12.5 SCHOTTKY FORWARD DROP (mV) TEMPERATURE (°C) VCAP – VBAT (V) 3487 G10 3487 G11 3487 G20 3487f 4
W U TYPICAL PERFOR A CE CHARACTERISTICS FBN Voltage FBP Bias Current FBN Bias Current
10.0 26.0 26.0 7.5 5.0 25.5 25.5 2.5 (mV) µA) µA) 0 ( 25.0 ( 25.0 FBNV I FBP I FBN –2.5 –5.0 24.5 24.5 –7.5 –10.0 24.0 24.0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3487 G04 3487 G05 3487 G06
Positive Channel Schottky I-V Positive Channel Switch VCE(SAT) Negative Channel Switch VCE(SAT) Characteristic
500 500 600 500 400 400 400 300 300 300 200 200 200 100 100 100 POSITIVE SWITCH SATURATION VOLTAGE (mV) 0 NEGATIVE SWITCH SATURATION VOLTAGE (mV) 0 POSITIVE SCHOTTKY FORWARD CURRENT (mA) 0 0 100 200 300 400 500 600 0 100 200 300 400 500 600 700 800 900 600 650 700 750 800 850 900 950 1000 SWITCH CURRENT (mA) SWITCH CURRENT (mA) SCHOTTKY FORWARD DROP (mV) 3487 G07 3487 G08 3487 G09
Negative Channel Schottky I-V Output Disconnect Voltage Drop Characteristic (50mA Load) Maximum Disconnect Current
800 300 140 VCAP – VPOS = 500mV 700 T 120 A = 25°C 600 250 100 500 (mV) 80 400 POS 200 (mA) – V I CAP 60 300 CAPV 40 200 150 100 20 NEGATIVE SCHOTTKY FORWARD CURRENT (mA) 0 100 0 600 650 700 750 800 850 900 950 1000 –50 –25 0 25 50 75 100 125 0 2.5 5 7.5 10 12.5 SCHOTTKY FORWARD DROP (mV) TEMPERATURE (°C) VCAP – VBAT (V) 3487 G10 3487 G11 3487 G20 3487f 4
