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TPS61253 数据表(PDF) 6 Page - Texas Instruments |
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TPS61253 数据表(HTML) 6 Page - Texas Instruments |
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6 / 35 page  6 TPS61253, TPS61254, TPS61256, TPS61258, TPS61259, TPS612592 SLVSAG8F – SEPTEMBER 2011 – REVISED MARCH 2016 www.ti.com Product Folder Links: TPS61253 TPS61254 TPS61256 TPS61258 TPS61259 TPS612592 Submit Documentation Feedback Copyright © 2011–2016, Texas Instruments Incorporated Electrical Characteristics (continued) Minimum and maximum values are at VIN = 2.3V to 5.5V, EN = 1.8V, TA = –40°C to 85°C; Circuit of Parameter Measurement Information section (unless otherwise noted). Typical values are at VIN = 3.6V, EN = 1.8V, TA = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OUTPUT VOUT Regulated DC output voltage TPS61253 2.3V ≤ VIN ≤ 4.85V, IOUT = 0mA PWM operation. Open Loop 4.92 5 5.08 V 3.3V ≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 1000mA PFM/PWM operation 4.85 5 5.2 3.3V ≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 1500mA PFM/PWM operation Pulsed load test; Pulse width ≤ 20ms; Duty cycle ≤ 10% 4.75 5 5.2 Regulated DC output voltage TPS61254 2.3V ≤ VIN ≤ 4.35V, IOUT = 0mA PWM operation. Open Loop 4.43 4.5 4.57 V 2.65V ≤ VIN ≤ 4.35V, 0mA ≤ IOUT ≤ 800mA PFM/PWM operation 4.4 4.5 4.65 Regulated DC output voltage TPS61256 2.3V ≤ VIN ≤ 4.85V, IOUT = 0mA PWM operation. Open Loop 4.92 5 5.08 V 2.65V ≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 700mA PFM/PWM operation 4.9 5 5.2 Regulated DC output voltage TPS61257 2.3V ≤ VIN ≤ 4.15V, IOUT = 0mA PWM operation. Open loop. 4.23 4.3 4.37 V 2.65V ≤ VIN ≤ 4.15V, 0mA ≤ IOUT ≤ 800mA PFM/PWM operation 4.2 4.3 4.45 Regulated DC output voltage TPS61258 2.3V ≤ VIN ≤ 4.35V, IOUT = 0mA PWM operation. Open Loop 4.43 4.5 4.57 V 3.3V ≤ VIN ≤ 4.35V, 0mA ≤ IOUT ≤ 1500mA PFM/PWM operation Pulsed load test; Pulse width ≤ 20ms; Duty cycle ≤ 10% 4.3 4.5 4.65 Regulated DC output voltage TPS61259 2.3V ≤ VIN ≤ 4.85V, IOUT = 0mA PWM operation. Open Loop 5.02 5.1 5.18 V 3.4V ≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 1500mA PFM/PWM operation Pulsed load test; Pulse width ≤ 20ms; Duty cycle ≤ 10% 4.75 5.1 5.3 Regulated DC output voltage TPS612592 2.7V ≤ VIN ≤ 4.8V, IOUT = 0mA PWM operation. Open Loop 5.1 5.2 5.3 V ΔVOUT Power-save mode output ripple voltage TPS61254 TPS61258 PFM operation, IOUT = 1mA 45 mVpk Standby mode output ripple voltage EN = GND, BP = VIN, IOUT = 0mA 80 PWM mode output ripple voltage PWM operation, IOUT = 200mA 20 Power-save mode output ripple voltage TPS61253 TPS61256 TPS61259 TPS612592 PFM operation, IOUT = 1mA 50 mVpk Standby mode output ripple voltage EN = GND, BP = VIN, IOUT = 0mA 80 |
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