* MAX8815A MACROMODEL * ------------------------------ * Revision 0, 08/2009 * ------------------------------ * MAX8815A is a 30uA Quiescent Current Step-Up Converter with True Shutdown. **************** *Note: ** Macro model is developed using the typical device parameters given in the data sheet with typical power supply. Model does not take care of the device non-linearity with temperature variations. Model characteristics may not match actual device behavior at abnormal operating conditions. *Note: *1. Voltage positioning - not implemented. *2. Direct connection of POUT with FB to get 5v output - not implemented *3. To change Softstart-time, Reduce the cap Css in the same ratio. Default is 6 ms. *4. In case of transient-convergence problems, please increase ITL4. * ------------------------------ * Connections * 1 = LX * 2 = BATT * 3 = ON * 4 = GND * 5 = FB * 6 = OUTS * 7 = SKIPB * 8 = POUT **************** **************** .subckt MAX8815A LX BATT ON GND FB OUTS SKIPB POUT C_MAX8815A_CSS GND MAX8815A_VSSR 1n X_MAX8815A_F1 MAX8815A_N12411433 GND MAX8815A_VCS GND MAX8815A_MAX8815A_F1 R_MAX8815A_R1 MAX8815A_N123871611 MAX8815A_N12387209 1k D_MAX8815A_CO1_D2 GND MAX8815A_N12399644 diodemacro_mostideal G_MAX8815A_CO1_G1 MAX8815A_N12399644 GND MAX8815A_N12473776 + MAX8815A_N12618668 -1E6 D_MAX8815A_CO1_D1 MAX8815A_N12399644 VCC5 diodemacro_mostideal C_MAX8815A_C7 GND MAX8815A_N12387139 1p M_MAX8815A_M4 MAX8815A_N12387209 MAX8815A_N123874131 GND GND NJNT L=1u + W=2u E_MAX8815A_EH MAX8815A_N12419180 GND BATT MAX8815A_N124192281 1E2 D_MAX8815A_CO2_D2 GND MAX8815A_N12399658 diodemacro_mostideal G_MAX8815A_CO2_G1 MAX8815A_N12399658 GND MAX8815A_N123994700 + MAX8815A_VCS -1E6 D_MAX8815A_CO2_D1 MAX8815A_N12399658 VCC5 diodemacro_mostideal V_MAX8815A_V2 MAX8815A_N123994700 GND 1.05V E_MAX8815A_E2 MAX8815A_N123871611 GND MAX8815A_N12387123 GND 1 V_MAX8815A_VH MAX8815A_N124192281 GND 5.5V C_MAX8815A_C4 GND MAX8815A_N12399658 1n I_MAX8815A_I10 BATT GND DC 30u D_MAX8815A_Ds1 MAX8815A_N12473776 VCC5 diodemacro_ideal I_MAX8815A_I8 GND MAX8815A_SLOPECOM DC 1.26mA G_MAX8815A_G1 MAX8815A_N12402201 GND MAX8815A_CLKSHT GND -1E3 V_MAX8815A_VL MAX8815A_N124192081 GND 1.2V D_MAX8815A_Ds2 GND MAX8815A_N12473776 diodemacro_ideal E_MAX8815A_E5 VCC5 GND MAX8815A_N12419028 GND 1 E_MAX8815A_E29 MAX8815A_N122831242 GND MAX8815A_N12283094 GND 1 E_MAX8815A_E34 MAX8815A_N127099711 GND MAX8815A_ONRB GND 10000 I_MAX8815A_I11 ON GND DC 10n C_MAX8815A_C1 GND MAX8815A_N12402201 1n C_MAX8815A_C5 GND MAX8815A_N12399644 1n G_MAX8815A_G5 MAX8815A_SLOPECOM GND MAX8815A_CLKSHT GND 1 G_MAX8815A_G3 MAX8815A_VSSR GND VCC5 GND -42.1667E-9 R_MAX8815A_R2 MAX8815A_N12419330 MAX8815A_N12419028 1k E_MAX8815A_E17 MAX8815A_N12387131 GND MAX8815A_N12387123 + MAX8815A_N12387209 1 R_MAX8815A_Rg MAX8815A_N126562221 MAX8815A_N12473776 1 E_MAX8815A_E27 MAX8815A_N122826762 GND MAX8815A_CLK MAX8815A_N12283140 + 1 D_MAX8815A_D5 MAX8815A_VSSR MAX8815A_N124769241 diodemacro_ideal M_MAX8815A_M5 MAX8815A_N12454029 MAX8815A_N127099711 GND GND NJNT L=1u + W=20u G_MAX8815A_G2 MAX8815A_N12402201 GND MAX8815A_N12450689 GND 1E3 C_MAX8815A_C9 GND MAX8815A_N12450689 1p E_MAX8815A_E32 MAX8815A_N12618668 MAX8815A_VCS MAX8815A_SLOPECOM GND 1 V_MAX8815A_VL1 MAX8815A_N124218340 GND 0.5V D_MAX8815A_D1 MAX8815A_N122826762 MAX8815A_CLKSHT diodemacro_ideal M_MAX8815A_M3 MAX8815A_N12387139 MAX8815A_N12387131 MAX8815A_N12387123 + MAX8815A_N12387123 PMOS L=1u W=570u M_MAX8815A_M1 LX MAX8815A_N12387139 MAX8815A_N12411433 + MAX8815A_N12411433 NJNT L=1u W=12u M_MAX8815A_M12 MAX8815A_N12419028 MAX8815A_N12419160 GND GND NJNT L=1u + W=2u I_MAX8815A_Ifb FB GND DC 5nA R_MAX8815A_R5 GND MAX8815A_CLKSHT 1k E_MAX8815A_E1 MAX8815A_N12286154 GND FB GND 1 D_MAX8815A_D3 MAX8815A_N12402201 VCC5 diodemacro_ideal D_MAX8815A_D7 MAX8815A_SLOPECOM VCC5 diodemacro_ideal T_MAX8815A_T1 MAX8815A_CLK GND MAX8815A_N12283094 GND Z0=50 TD=10E-9 D_MAX8815A_D4 GND MAX8815A_N12402201 diodemacro_ideal M_MAX8815A_M13 MAX8815A_N12419028 MAX8815A_N12419180 GND GND NJNT L=1u + W=2u I_MAX8815A_I14 MAX8815A_N12706191 GND DC 0.1uA E_MAX8815A_E35 MAX8815A_N12938455 MAX8815A_N12387139 VCC5 + MAX8815A_N12387123 1 C_MAX8815A_C11 GND MAX8815A_N12706191 1p M_MAX8815A_M2 MAX8815A_N12387139 MAX8815A_N12387131 GND GND NMOS L=1u + W=550u R_MAX8815A_R4 VCC5 MAX8815A_N12454029 1k M_MAX8815A_NAND2_M4 MAX8815A_NAND2_N6953533 MAX8815A_N12399644 GND GND + NMOS L=1u W=2u M_MAX8815A_NAND2_M1 MAX8815A_N12450689 MAX8815A_N12399658 VCC5 VCC5 + PMOS L=1u W=4u M_MAX8815A_NAND2_M2 MAX8815A_N12450689 MAX8815A_N12399644 VCC5 VCC5 + PMOS L=1u W=4u M_MAX8815A_NAND2_M3 MAX8815A_N12450689 MAX8815A_N12399658 + MAX8815A_NAND2_N6953533 GND NMOS L=1u W=2u D_MAX8815A_D9 MAX8815A_N12706191 POUT diodemacro_ideal C_MAX8815A_C14 GND OUTS 1p D_MAX8815A_D8 GND MAX8815A_SLOPECOM diodemacro_ideal R_MAX8815A_R8 GND MAX8815A_VCS 0.42 I_MAX8815A_I13 LX GND DC 0.1uA R_MAX8815A_R6 GND MAX8815A_N12283094 50 R_MAX8815A_R3 MAX8815A_N12283140 MAX8815A_N122831242 1k V_MAX8815A_V6 MAX8815A_N12419330 GND 5V I_MAX8815A_I12 SKIPB GND DC 10n V_MAX8815A_VL5 MAX8815A_N124769241 GND 1.265V M_MAX8815A_M14 LX MAX8815A_N12938455 MAX8815A_N12706191 VCC5 PJNT L=1u + W=20u E_MAX8815A_E33 MAX8815A_N126562221 GND MAX8815A_VSSR MAX8815A_N12286154 + 20 D_MAX8815A_D2 GND MAX8815A_N12283140 diodemacro_ideal M_MAX8815A_NAND1_M4 MAX8815A_NAND1_N6953533 MAX8815A_N12402201 GND GND + NMOS L=1u W=2u M_MAX8815A_NAND1_M1 MAX8815A_N123874131 MAX8815A_CLK VCC5 VCC5 PMOS + L=1u W=4u M_MAX8815A_NAND1_M2 MAX8815A_N123874131 MAX8815A_N12402201 VCC5 VCC5 + PMOS L=1u W=4u M_MAX8815A_NAND1_M3 MAX8815A_N123874131 MAX8815A_CLK + MAX8815A_NAND1_N6953533 GND NMOS L=1u W=2u D_MAX8815A_CO3_D2 GND MAX8815A_ONRB diodemacro_mostideal G_MAX8815A_CO3_G1 MAX8815A_ONRB GND MAX8815A_N124218340 ON -1E6 D_MAX8815A_CO3_D1 MAX8815A_ONRB VCC5 diodemacro_mostideal C_MAX8815A_C10 GND MAX8815A_SLOPECOM 1n D_MAX8815A_D6 GND MAX8815A_VSSR diodemacro_ideal V_MAX8815A_Vclk MAX8815A_CLK GND +PULSE 0 5 1u 1n 1n 0.4375u 0.5u G_MAX8815A_G4 BATT GND MAX8815A_ONRB GND -5.98E-6 E_MAX8815A_EL MAX8815A_N12419160 GND BATT MAX8815A_N124192081 -1E2 E_MAX8815A_E16 MAX8815A_N12387123 GND MAX8815A_N12454029 GND 1 .IC V(MAX8815A_VSSR )=0 .IC V(MAX8815A_N12706191 )=0 ****************** .model diodemacro_ideal d(n=0.001) .model diodemacro_mostideal d(IS=1E-12 N=0.000001 BV=35 IBV=1) .model NJNT nmos(VTO=0.5 KP=50E-2) .model NMOS nmos(VTO=0.5 KP=100E-6) .model PMOS pmos(VTO=-0.5 KP=50E-6) .model PJNT pmos(VTO=-0.5 KP=25E-2) .ends MAX8815A **************** .subckt MAX8815A_MAX8815A_F1 1 2 3 4 F_MAX8815A_F1 3 4 VF_MAX8815A_F1 -1 VF_MAX8815A_F1 1 2 0V .ends MAX8815A_MAX8815A_F1 **************** * Copyright (c) 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