MAX1760HETB+T Maxim Integrated Products, MAX1760HETB+T Datasheet
MAX1760HETB+T
Specifications of MAX1760HETB+T
Related parts for MAX1760HETB+T
MAX1760HETB+T Summary of contents
Page 1
... REF OUT FB GND PGND µMAX is a registered trademark of Maxim Integrated Products, Inc. Idle Mode is a trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 0.8A, Low-Noise, 1MHz, Step-Up DC-DC Converter ♦ ...
Page 2
Low-Noise, 1MHz, Step-Up DC-DC Converter ABSOLUTE MAXIMUM RATINGS ON, ON, OUT, CLK/SEL to GND ..................................-0.3V to +6V PGND to GND ..........................................................................±0. PGND .................................................-0. POUT to OUT ...........................................................................±0.3V REF, FB, ISET, POUT to GND.......................-0. ...
Page 3
ELECTRICAL CHARACTERISTICS (continued) (CLK/SEL = FB = PGND = GND, ISET = REF, OUT = POUT, V unless otherwise noted.) PARAMETER Switch On-Resistance N-Channel Current Limit P-Channel Turn-Off Current REFERENCES Reference Output Voltage Reference Load Regulation Reference Supply Rejection LOGIC ...
Page 4
Low-Noise, 1MHz, Step-Up DC-DC Converter ELECTRICAL CHARACTERISTICS (continued) (CLK/SEL = FB = PGND = GND, ISET = REF, OUT = POUT, V PARAMETER N-Channel Current Limit REFERENCE Reference Output Voltage LOGIC INPUTS CLK/SEL Input Low Level CLK/SEL Input High ...
Page 5
Figure 2.4V 3.3V OUT NO-LOAD BATTERY CURRENT vs. INPUT VOLTAGE 2.5 2.0 1.5 1 OUT 0 3.3V OUT 0 INPUT VOLTAGE ...
Page 6
Low-Noise, 1MHz, Step-Up DC-DC Converter (Circuit of Figure 2.4V 3.3V OUT NOISE SPECTRUM 0 FREQUENCY (MHz) PIN NAME N-Channel Current-Limit Control. For maximum current limit, ...
Page 7
OUT IC POWER 2.15V ON (MAX1760H (MAX1760) REFERENCE 1.25V REF REF GND CLK/SEL FB ISET MAX1760 Figure 1. Functional Diagram Detailed Description The MAX1760 is a highly efficient, low-noise power sup- ply for portable RF and hand-held instruments. ...
Page 8
Low-Noise, 1MHz, Step-Up DC-DC Converter Table 1. Typical Available Output Current NUMBER OF NiCd/NiMH CELLS Table 2. Selecting the Operating Mode CLK/SEL MODE 0 Normal operation 1 Forced PWM External clock Synchronized PWM 500kHz to 1.2MHz ...
Page 9
V = 2.4V IN Figure 3. Connecting Resistors for External Feedback REF 0. MAX1760 ISET C SS Figure 4. Soft-Start with Maximum Switch Limit Current The MAX1760 has an internal 1.250V ±1% reference. Connect a 0.22µF ceramic ...
Page 10
Low-Noise, 1MHz, Step-Up DC-DC Converter Table 3. Component Selection Guide PRODUCTION METHOD TOKO type D518LC Surface mount Sumida CDRH5D18 Sumida CDRH4D28 Table 4. Component Suppliers SUPPLIER PHONE AVX USA: 843-448-9411 EIC USA: 916-941-0712 Kemet USA: 810-287-2536 USA: 408-629-4789 Motorola ...
Page 11
The input filter capacitor reduces peak currents drawn from the input source and also reduces input switching noise. The input voltage source impedance determines the required value of ...
Page 12
Low-Noise, 1MHz, Step-Up DC-DC Converter (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages Ø 0.50±0.1 0.6±0.1 1 0.6±0.1 TOP VIEW D2 A2 ...
Page 13
For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ ______________________________________________________________________________________ 0.8A, Low-Noise, 1MHz, Step-Up DC-DC Converter Package Information (continued) PACKAGE OUTLINE, 6,8,10 & 14L, TDFN, ...
Page 14
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2007 Maxim Integrated Products Package Information (continued) PACKAGE VARIATIONS PKG ...