MPM3690-30A/B – 16V, DUAL 18A OR SINGLE 36A POWER MODULE
PIN FUNCTIONS
Pin #
Name
Description
A1, A2, A3, A4, A5, B1, B2, B3, B4,
B5, C1, C2, C3, C4
VOUT1
Power output 1. Power output pins for channel 1.
A6, A7, B6, B7, D1, D2, D3, D4, D9,
D10, D11, D12, E1, E2, E3, E4, E10,
E11, E12, F1, F2, F3, F6, F7, F10,
F11, F12, G1, G3, G7, G10, G12, H1,
H2, H3, H4, H5, H6 H7, H9, H10,
H11, H12, J1, J5, J8, J12, K1, K5, K6,
K7, K8, K12, L1, L12, M1, M12
Power ground. GND is the ground of the regulated output
voltage (VOUT).
GND
A8, A9, A10, A11, A12, B8, B9, B10,
B11, B12, C9, C10, C11, C12
VOUT2
Power output 2. Power output pins for channel 2.
VS1P,
VS2P
Positive input of the remote-sense amplifier. Connect
these pins to the VOUT remote sense point.
C5, C8
Negative input of the remote-sense amplifier. Connect
these pins to the output GND remote sense point to enable
remote sense. Connect to GND to disable remote sense
functionality.
VS1N,
VS2N
D6, C7
Frequency set. Connect a resistor between these pins and
AGND to configure the switching frequency (fSW) between
400kHz to 1MHz. For the MPM3690-30B, the of FSET1 and
FSET2 resistors must be the same.
FSET1,
FSET2
C6, E7
Feedback voltage. Connect a resistor to these pins
D5, D7
E5, D8
G5, G4
FB1, FB2 between VS1N and VS2N to program VOUT. This pin is
connected to VS1P and VS2P with a 60.4kΩ resistor.
Soft-start time set. Connect a ceramic capacitor to set the
soft-start time (tSS).
SS1, SS2
Ramp selection pin. Float these pins to set the internal
compensation ramp to high; pull these pins pin low to set the
internal compensation ramp to low.
RAMP1,
RAMP2
E8, F8
F4
VSOUT
MODE
Not connected (internally floated). Float these pins.
Operation mode set. Pull-up to VCC for forced continuous
conduction mode (FCCM).
Enable pins. Drive these pins high to turn the output on;
drive them low to turn the output off. Do not float these pins.
F5, F9
G2, G11
G6
EN1, EN2
SW1, SW2 Switching nodes. Float these pins.
Protection mode selection. Connect to GND for latch-off
mode, pull-up to VCC for auto-retry (hiccup) mode.
PMODE
Power good outputs. The output of these is an open drain.
Pull these pins high with a pull-up resistor.
G9, G8
H8
PG1, PG2
Output of the internal power supply. Float this pin or
connect it to an external 3.3V power supply to improve
efficiency.
VCC
NC1, NC2,
NC3, NC4
E6, J6, J7, E9
Not connected (internally floated). Float these pins.
M2, M3, M4, M5, M6, M7, M8, M9,
M10, M11, L2, L3, L4, L5, L6, L7, L8,
L9, L10, L11, J2, J3, J4, J9, J10, J11,
K2, K3, K4, K9, K10, K11
Supply voltage. These pins provide power to the module.
Connect decoupling capacitors between the VIN and GND
pins.
VIN
MPM3690-30A/B Rev. 1.0
MonolithicPower.com
4
5/11/2021
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2021 MPS. All Rights Reserved.
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