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LTC4008 Datasheet(PDF) 2 Page - Linear Technology |
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LTC4008 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 24 page  2 LTC4008 4008fa Voltage from DCIN, CLP, CLN to GND ....... +32V/–0.3 V PGND with Respect to GND .................................. ±0.3V CSP, BAT to GND ........................................ +28V/–0.3V VFB, RT to GND ............................................. +7V/–0.3V NTC ............................................................. +10V/–0.3V ACP/SHDN, FLAG, FAULT, ICL .................... +32V/–0.3V ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION ORDER PART NUMBER LTC4008EGN TJMAX = 125°C, θJA = 90°C/W Consult LTC Marketing for parts specified with wider operating temperature ranges. GN PACKAGE 20-LEAD NARROW PLASTIC SSOP 1 2 3 4 5 6 7 8 9 10 TOP VIEW 20 19 18 17 16 15 14 13 12 11 INFET BGATE PGND TGATE CLP CLN FLAG BATMON BAT CSP DCIN ICL ACP/SHDN RT FAULT GND VFB NTC ITH PROG CLP to CLN ........................................................... +0.5V Operating Ambient Temperature Range (Note 4) ...............................................–40 °C to 85°C Operating Junction Temperature ...........–40 °C to 125°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C (Note 1) ORDER PART NUMBER LTC4008EGN-1 The ● denotes specifications which apply over the full operating temperature range (Note 4), otherwise specifications are at TA = 25°C. VDCIN = 20V, VBAT = 12V unless otherwise noted. ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS DCIN Operating Range 628 V IQ Operating Current Charging Sum of Current from CLP, CLN, DCIN 3 5 mA VTOL Voltage Accuracy (Notes 2, 5) –0.8 0.8 % ● –1.0 1.0 % BATMON Error (Note 5) Measured from BAT to BATMON, 0 35 80 mV RLOAD = 100k ITOL Charge Current Accuracy (Note 3) VCSP – VBAT Target = 100mV – 4 4 % ● –5 5 % Shutdown Battery Leakage Current DCIN = 0V (LTC4008 Only) ● 20 35 µA ACP/SHDN = 0V ● –10 10 µA UVLO Undervoltage Lockout Threshold DCIN Rising, VBAT = 0V ● 4.2 4.7 5.5 V Shutdown Threshold at ACP/SHDN ● 1 1.6 2.5 V Operating Current in Shutdown VSHDN = 0V, Sum of Current from CLP, 2 3 mA CLN, DCIN TJMAX = 125°C, θJA = 90°C/W GN PACKAGE 20-LEAD NARROW PLASTIC SSOP 1 2 3 4 5 6 7 8 9 10 TOP VIEW 20 19 18 17 16 15 14 13 12 11 NC BGATE PGND TGATE CLP CLN FLAG BATMON BAT CSP DCIN ICL SHDN RT FAULT GND VFB NTC ITH PROG THE LTC4008EGN-1 Does Not Have the Input FET Function Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ |
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