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LTC3638 Datasheet(PDF) 7 Page - Linear Technology |
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LTC3638 Datasheet(HTML) 7 Page - Linear Technology |
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7 / 26 page  LTC3638 7 3638fa For more information www.linear.com/LTC3638 BLOCK DIAGRAM COUT CIN VIN VOUT + – + – + 3 D1 – + – + + PEAK CURRENT COMPARATOR SWITCH NODE COMPARATOR FEEDBACK COMPARATOR VOLTAGE REFERENCE VPRG2 GND GND SS SS VPRG1 GND SS GND SS R1 1.0M 4.2M 2.5M 1.0M R2 ∞ 800k 800k 800k VOUT ADJUSTABLE 5V FIXED 3.3V FIXED 1.8V FIXED START-UP: 50µA NORMAL: 5µA IMPLEMENT DIVIDER EXTERNALLY FOR ADJUSTABLE VERSION VIN 1 SW L1 GND LOGIC 16 SS R2 R1 5V 5V 20µA FBO 70 10 5 GND 8 GND 17 VFB 9 VPRG1 7 VPRG2 3638 BD 6 0.800V OVLO 1.21V 12 1.21V RUN 14 ISET 11 ACTIVE: 5µA SLEEP: 1µA 1.3V |
Similar Part No. - LTC3638_15 |
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Similar Description - LTC3638_15 |
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