component
LTM4632EY#PBF
Public Made by Adomby adom
Analog Devices DC-DC Converters, BGA-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "power_out",
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{
"number": "A2",
"name": "VIN",
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"description": "Power input pin; apply the 3.6V to 15V input between the VIN and GND pins with input decoupling placed directly between them."
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{
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"description": "Low-noise reference output equal to VDDQIN/2 that can supply 10mA for DDR memory, with an internal 0.01µF capacitor."
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{
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{
"number": "B1",
"name": "VOUT2",
"type": "power_out",
"description": "Power output pin of the Channel 2 switching regulator; apply the load between this pin and GND, with output decoupling placed directly at the pins."
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{
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"name": "RUN2",
"type": "input",
"description": "Run control input for Channel 2; tie above 1.28V to enable the channel, tie below 1V to shut it down, and do not float this pin."
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{
"number": "B3",
"name": "VIN",
"type": "power_in",
"description": "Power input pin; apply the 3.6V to 15V input between the VIN and GND pins with input decoupling placed directly between them."
},
{
"number": "B4",
"name": "PGOOD2",
"type": "output",
"description": "Open-drain power good output pulled low when VOUT2 is outside ±8% (typical) of VDDQIN/2, with 15mV of hysteresis."
},
{
"number": "B5",
"name": "GND",
"type": "power_in",
"description": "Power ground pin for both the input and output returns."
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{
"number": "C1",
"name": "GND",
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"description": "Power ground pin for both the input and output returns."
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{
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"description": "Power ground pin for both the input and output returns."
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{
"number": "C3",
"name": "INTVCC",
"type": "power_out",
"description": "Internal 3.3V regulator output that powers the internal drivers and control circuits, internally decoupled to GND with a 2.2µF ceramic capacitor."
},
{
"number": "C4",
"name": "SGND",
"type": "power_in",
"description": "Ground pin printed as SGND in the pinout table and as a power ground in the Pin Functions section, to be used as a ground return."
},
{
"number": "C5",
"name": "SYNC/MODE",
"type": "input",
"description": "Mode select and external synchronization input; tie to GND for forced continuous operation, float or tie to INTVCC for Burst Mode at light load, or drive with a clock to synchronize the switching frequency."
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{
"number": "D1",
"name": "VOUT1",
"type": "power_out",
"description": "Power output pin of the Channel 1 switching regulator; apply the load between this pin and GND, with output decoupling placed directly at the pins."
},
{
"number": "D2",
"name": "RUN1",
"type": "input",
"description": "Run control input for Channel 1; tie above 1.28V to enable the channel, tie below 1V to shut it down, and do not float this pin."
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{
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"name": "VIN",
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"description": "Power input pin; apply the 3.6V to 15V input between the VIN and GND pins with input decoupling placed directly between them."
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{
"number": "D4",
"name": "PGOOD1",
"type": "output",
"description": "Open-drain power good output pulled low when FB1 is outside ±8% (typical) of the internal 0.6V reference, with 15mV of hysteresis."
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{
"number": "D5",
"name": "GND",
"type": "power_in",
"description": "Power ground pin for both the input and output returns."
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{
"number": "E1",
"name": "VOUT1",
"type": "power_out",
"description": "Power output pin of the Channel 1 switching regulator; apply the load between this pin and GND, with output decoupling placed directly at the pins."
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{
"number": "E2",
"name": "VIN",
"type": "power_in",
"description": "Power input pin; apply the 3.6V to 15V input between the VIN and GND pins with input decoupling placed directly between them."
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{
"number": "E3",
"name": "TRACK/SS1",
"type": "input",
"description": "Output tracking and soft-start pin for Channel 1; a voltage below 0.6V servos FB1 to this pin, and the internal 1.2µA pull-up from INTVCC lets a capacitor set the soft-start."
},
{
"number": "E4",
"name": "FB1",
"type": "input",
"description": "Negative input of the Channel 1 error amplifier, internally connected to VOUT1 through a 60.4k resistor, with an external resistor to GND programming the output voltage."
},
{
"number": "E5",
"name": "COMP1",
"type": "passive",
"description": "Current control threshold and error amplifier compensation point of Channel 1, with a normal range of 0.3V to 1.8V."
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"at": "2026-11-02T17:57:07"
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"appearance": {
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"name": "Input DC Voltage",
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"unit": "V",
"min": null,
"typ": null,
"max": 1.8,
"conditions": "VIN = 3.6V to 15V",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH1 Output Voltage, Total Variation with Line and Load",
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"min": 1.28,
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"conditions": "CIN = 22µF, COUT = 100µF Ceramic, RFB1 = 51.7k, MODE = GND, IOUT = –3A to 3A",
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{
"name": "CH1 Output Continuous Current Range",
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"min": -3,
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"conditions": "VIN = 12V, VOUT1 = 1.3V (Note 3)",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH1 Input Supply Bias Current",
"symbol": "IQ1(VIN)",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 13,
"conditions": "VIN = 12V, VOUT1 = 1.3V, MODE = GND",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH1 Input Supply Bias Current",
"symbol": "IQ1(VIN)",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 400,
"conditions": "VIN = 12V, VOUT1 = 1.3V, MODE = INTVCC",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH1 Input Supply Bias Current (shutdown)",
"symbol": "IQ1(VIN)",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 40,
"conditions": "Shutdown, RUN1 = GND",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH1 Input Supply Current",
"symbol": "IS1(VIN)",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "VIN = 12V, VOUT1 = 1.3V, IOUT = 3A",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH1 Line Regulation Accuracy",
"symbol": "ΔVOUT1(Line)/VOUT1",
"kind": "electrical",
"unit": "%/V",
"min": null,
"typ": 0.01,
"max": 0.05,
"conditions": "VOUT1 = 1.3V, VIN = 3.6V to 15V, IOUT1 = 0A",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH1 Load Regulation Accuracy",
"symbol": "ΔVOUT1(Load)/VOUT1",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.2,
"max": 1,
"conditions": "VOUT1 = 1.3V, IOUT = –3A to 3A",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH1 Output Ripple Voltage",
"symbol": "VOUT1(AC)",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 30,
"conditions": "IOUT = 0A, COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH1 Turn-On Overshoot",
"symbol": "ΔVOUT1(START)",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 30,
"conditions": "IOUT = 0A, COUT = 47µF Ceramic, TRACK/SS1 = –0.1µF, VIN = 12V, VOUT1 = 1.3V",
"source_page": 3,
"source": "datasheet"
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{
"name": "Turn-On Time",
"symbol": "tSTART",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": null,
"max": 5.5,
"conditions": "COUT = 100µF Ceramic, TRACK/SS1 = 0.01µF, No Load, VIN = 12V, VOUT1 = 1.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "CH1 Peak Deviation for Dynamic Load",
"symbol": "ΔVOUTLS1",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 85,
"conditions": "Load: 0% to 25% to 0% of Full Load, COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "CH1 Settling Time for Dynamic Load Step",
"symbol": "tSETTLE1",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 20,
"conditions": "Load: 0% to 25% to 0% of Full Load, COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "CH1 Output Current Limit",
"symbol": "IOUTPK1",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
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"conditions": "VIN = 12V, VOUT1 = 1.3V",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH2 Output Voltage, Total Variation with Line and Load",
"symbol": "VOUT2(DC)",
"kind": "electrical",
"unit": "mV",
"min": 637,
"typ": 650,
"max": 663,
"conditions": "CIN = 22µF, COUT = 100µF Ceramic, VDDQIN= 1.3V, MODE = GND, IOUT = –3A to 3A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "CH2 Output Continuous Current Range",
"symbol": "IOUT2(DC)",
"kind": "electrical",
"unit": "A",
"min": -3,
"typ": null,
"max": 3,
"conditions": "VIN = 12V, VDDQIN = 1.3V (Note 3)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "CH2 Input Supply Bias Current",
"symbol": "IQ2(VIN)",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 7,
"conditions": "VIN = 12V, VDDQIN = 1.3V, MODE = GND",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH2 Input Supply Bias Current (shutdown)",
"symbol": "IQ2(VIN)",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 40,
"conditions": "Shutdown, RUN2 = 0",
"source_page": 3,
"source": "datasheet"
},
{
"name": "CH2 Input Supply Current",
"symbol": "IS2(VIN)",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 0.25,
"conditions": "VIN = 12V, VDDQIN = 1.3V, IOUT = 3A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "CH2 Line Regulation Accuracy",
"symbol": "ΔVOUT2(Line)/VOUT2",
"kind": "electrical",
"unit": "%/V",
"min": null,
"typ": 0.01,
"max": 0.05,
"conditions": "VDDQIN = 1.3V, VIN = 3.6V to 15V, IOUT2 = 0A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "CH2 Load Regulation Accuracy",
"symbol": "ΔVOUT2(Load)/VOUT2",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.2,
"max": 1,
"conditions": "VDDQIN = 1.3V, IOUT = –3A to 3A",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH2 Output Ripple Voltage",
"symbol": "VOUT2(AC)",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 30,
"conditions": "IOUT = 0A, COUT = 100µF Ceramic, VIN = 12V, VDDQIN = 1.3V",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH2 Peak Deviation for Dynamic Load",
"symbol": "ΔVOUTLS2",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 85,
"conditions": "Load: 0% to 25% to 0% of Full Load, COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V",
"source_page": 3,
"source": "datasheet"
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{
"name": "CH2 Settling Time for Dynamic Load Step",
"symbol": "tSETTLE2",
"kind": "timing",
"unit": "µs",
"min": null,
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