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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 / 33 page  TPS61253, TPS61254, TPS61256, TPS61258, TPS61259 SLVSAG8E – SEPTEMBER 2011 – REVISED MARCH 2015 www.ti.com 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 2.3V ≤ VIN ≤ 4.85V, IOUT = 0mA 4.92 5 5.08 PWM operation. Open Loop 3.3V ≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 1000mA 4.85 5 5.2 PFM/PWM operation Regulated DC output voltage TPS61253 V 3.3V ≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 1500mA PFM/PWM operation 4.75 5 5.2 Pulsed load test; Pulse width ≤ 20ms; Duty cycle ≤ 10% 2.3V ≤ VIN ≤ 4.35V, IOUT = 0mA 4.43 4.5 4.57 PWM operation. Open Loop Regulated DC output voltage TPS61254 V 2.65V ≤ VIN ≤ 4.35V, 0mA ≤ IOUT ≤ 800mA 4.4 4.5 4.65 PFM/PWM operation 2.3V ≤ VIN ≤ 4.85V, IOUT = 0mA 4.92 5 5.08 PWM operation. Open Loop Regulated DC output voltage TPS61256 V 2.65V ≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 700mA 4.9 5 5.2 PFM/PWM operation VOUT 2.3V ≤ VIN ≤ 4.15V, IOUT = 0mA 4.23 4.3 4.37 PWM operation. Open loop. Regulated DC output voltage TPS61257 V 2.65V ≤ VIN ≤ 4.15V, 0mA ≤ IOUT ≤ 800mA 4.2 4.3 4.45 PFM/PWM operation 2.3V ≤ VIN ≤ 4.35V, IOUT = 0mA 4.43 4.5 4.57 PWM operation. Open Loop 3.3V ≤ VIN ≤ 4.35V, 0mA ≤ IOUT ≤ 1500mA Regulated DC output voltage TPS61258 V PFM/PWM operation 4.3 4.5 4.65 Pulsed load test; Pulse width ≤ 20ms; Duty cycle ≤ 10% 2.3V ≤ VIN ≤ 4.85V, IOUT = 0mA 5.02 5.1 5.18 PWM operation. Open Loop 3.4V ≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 1500mA Regulated DC output voltage TPS61259 V PFM/PWM operation 4.75 5.1 5.3 Pulsed load test; Pulse width ≤ 20ms; Duty cycle ≤ 10% Power-save mode output ripple PFM operation, IOUT = 1mA 45 voltage TPS61254 Standby mode output ripple mVpk EN = GND, BP = VIN, IOUT = 0mA 80 TPS61258 voltage ΔVOUT PWM mode output ripple voltage PWM operation, IOUT = 200mA 20 Power-save mode output ripple PFM operation, IOUT = 1mA 50 TPS61253 voltage TPS61256 mVpk Standby mode output ripple TPS61259 EN = GND, BP = VIN, IOUT = 0mA 80 voltage POWER SWITCH High-side MOSFET on resistance 170 rDS(on) m Ω Low-side MOSFET on resistance 100 Ilkg Reverse leakage current into VOUT EN = GND, BP = GND 3.5 µA 6 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: TPS61253 TPS61254 TPS61256 TPS61258 TPS61259 |
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