MAX1700EEE+ Maxim Integrated Products, MAX1700EEE+ Datasheet
MAX1700EEE+
Specifications of MAX1700EEE+
Related parts for MAX1700EEE+
MAX1700EEE+ Summary of contents
Page 1
... ONA 8 QSOP I.C. = INTERNAL CONNECTION. LEAVE OPEN OR CONNECT TO GND Pin Configurations continued at end of data sheet. ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. 1-Cell to 3-Cell, High-Power (1A 96% Efficiency 1 ...
Page 2
High-Power (1A), Low-Noise, Step-Up DC-DC Converters ABSOLUTE MAXIMUM RATINGS ONA, ONB, OUT, AO, POK, LBO to GND...................-0.3V, +6V PGND to GND.....................................................................±0. PGND.....................................................-0.3V,V CLK/SEL, AIN, REF, FB, LBP, LBN, POUT to GND............-0.3V, V +0.3V ................................................................................... OUT ...
Page 3
Low-Noise, Step-Up DC-DC Converters ELECTRICAL CHARACTERISTICS (continued) (CLK/SEL = ONA = ONB = FB = PGND = GND, OUT = POUT 0°C to +85°C, unless otherwise noted. Typical values are PARAMETER GAIN BLOCK (MAX1701) ...
Page 4
High-Power (1A), Low-Noise, Step-Up DC-DC Converters ELECTRICAL CHARACTERISTICS (continued) (CLK/SEL = ONA = ONB = FB = PGND = GND, OUT = POUT -40°C to +85°C, unless otherwise noted.) (Note 8) A PARAMETER DC-DC ...
Page 5
Low-Noise, Step-Up DC-DC Converters ELECTRICAL CHARACTERISTICS (continued) (CLK/SEL = ONA = ONB = FB = PGND = GND, OUT = POUT -40°C to +85°C, unless otherwise noted.) (Note 8) A PARAMETER LOGIC AND CONTROL INPUTS 1.2V < ...
Page 6
High-Power (1A), Low-Noise, Step-Up DC-DC Converters (T = +25°C, unless otherwise noted.) A REFERENCE VOLTAGE vs. TEMPERATURE 1.254 1.252 1.250 1.248 1.246 1.244 -40 - 100 TEMPERATURE (°C) START-UP INPUT VOLTAGE vs. ...
Page 7
Low-Noise, Step-Up DC-DC Converters (Circuit of Figure +25°C, unless otherwise noted.) A LOAD-TRANSIENT RESPONSE A B 2ms/div V = 1.1V 3.3V IN OUT A = LOAD CURRENT, 0mA TO 200mA, 0.2A/div RIPPLE, ...
Page 8
High-Power (1A), Low-Noise, Step-Up DC-DC Converters PIN NAME MAX1700 MAX1701 — 1 LBP — 2 LBN 3 3 REF 4 4 CLK/SEL 5 5 GND — 6 POK ONB ONA — ...
Page 9
Low-Noise, Step-Up DC-DC Converters OUT IC PWR 2.25V ONA ON ONB 1.25V REF REF GND CLK/SEL FEEDBACK AND FB POWER-GOOD AIN* LBP* LBN* *MAX1701 ONLY Figure 1. Functional Diagram _______________Detailed Description The MAX1700/MAX1701 are highly efficient, low-noise power supplies for ...
Page 10
High-Power (1A), Low-Noise, Step-Up DC-DC Converters 0. MBR0520L MAX1700 LX OUT D1 MAX1701 CLK/SEL POUT 10 ONA OUT ONB 0.22 F REF FB FIXED GND PGND 0.22 F OUTPUT (GND) ...
Page 11
Low-Noise, Step-Up DC-DC Converters LOGIC HIGH ERROR COMPARATOR REF R 400mA CURRENT LIMIT Figure 4. Controller Block Diagram in Low-Power PFM Mode Synchronized PWM Operation By applying an external clock to CLK/SEL, the ...
Page 12
High-Power (1A), Low-Noise, Step-Up DC-DC Converters 0. MAX1701 LX POUT CLK/SEL 10 ONA ONB OUT 0. LBP POK VOLTAGE MONITOR LBO LOW-BATTERY MONITOR LBN R4 REF AO ARBITRARY VOLTAGE MONITOR AIN ...
Page 13
Low-Noise, Step-Up DC-DC Converters The MAX1700/MAX1701 have an internal 1.250V, 1% bandgap reference. Connect a 0.22µF bypass capaci- tor to GND within 0.2in. (5mm) of the REF pin. REF can source up to 50µA of external load current. Power-OK (MAX1701) ...
Page 14
High-Power (1A), Low-Noise, Step-Up DC-DC Converters 270k MAX1701 OUT ONB ON/OFF ONA 0.1 F 270k Figure 10. Momentary Pushbutton On/Off Switch Use a Schottky diode, such as a 1N5817, MBR0520L, or equivalent. The Schottky diode carries current ...
Page 15
Low-Noise, Step-Up DC-DC Converters low-noise power for DSP, control, and RF circuitry. Typically, RF phones spend most of their life in standby mode with only short periods in transmit/receive mode. During standby, maximize battery life by setting CLK/SEL = 0; ...
Page 16
High-Power (1A), Low-Noise, Step-Up DC-DC Converters Chip Information TRANSISTOR COUNT: 531 SUBSTRATE CONNECTED TO GND ________________________________________________________Package Information 16 ______________________________________________________________________________________ ...