LTM4616 datasheet(6/24 Pages) LINER

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LTM4616

4616fa

GND1 and GND2 (BANK2 and BANK5); (A1-A5, A12, B1-

B5, B7-B12, C3-C12, D3-D7) and (G1-G5, G12, H1-H5,

H7-H12, J3-J12, K3-K7): Power Ground Pins for Both

Input and Output Returns.

SVIN1and SVIN2 (E5 and L5): Signal Input Voltage for Each

Channel. This pin is internally connected to VIN through

a lowpass ﬁlter.

SGND1 and SGND2 (F5 and M5): Signal Ground Pin for

Each Channel. Return ground path for all analog and low

power circuitry. Tie a single connection to the output

capacitor GND in the application. See layout guidelines

in Figure 17.

TEMPERATURE (°C)

–50

592

594

596

100

4616 G14

590

–25

598

600

602

125

VIN = 5.5V

VIN = 3.3V

VIN = 2.7V

Start-Up

VFB vs Temperature

Load Regulation vs Current

2.5V Output Current

Short-Circuit Protection

(2.5V Short, No Load)

VOUT

0.5V/DIV

VIN

2V/DIV

50μs/DIV

VIN = 5V

VOUT = 1.5V

COUT = 100μF NO LOAD AND 8A LOAD

(DEFAULT 100μs SOFT-START)

4616 G13

LOAD CURRENT (A)

–0.6

–0.5

–0.2

–0.3

–0.1

–0.4

4616 G15

FC MODE

VIN = 3.3V

VOUT = 1.5V

Short-Circuit Protection

(2.5V Short, 4A Load)

OUTPUT CURRENT (A)

0.5

1.0

1.5

2.0

2.5

3.0

510

4616 G16

2V/DIV

5A/DIV

50μs/DIV

4616 G17

VOUT

VIN

IOUT

VIN = 5V

VOUT = 2.5V

5V/DIV

5A/DIV

50μs/DIV

4616 G18

VOUT

VIN

IOUT SHORT

IOUT LOAD

VIN = 5V

VOUT = 2.5V

VIN1, VIN2, (BANK1 and BANK2); (F1-F4, E1-E4, C1-C2,

D1-D2) and (J1-J2, K1-K2, L1-L4, M1-M4): Power Input

Pins. Apply input voltage between these pins and GND

pins. Recommend placing input decoupling capacitance

directly between VIN pins and GND pins.

VOUT1, VOUT2 (BANK3 and BANK6); (D9-D12, E9-E12,

F9-F12) and (K9-K12, L9-L12, M9-M12): Power Output

Pins. Apply output load between these pins and GND

pins. Recommend placing output decoupling capacitance

directly between these pins and GND pins. See Table 1.

TYPICAL PERFORMANCE CHARACTERISTICS Speciﬁed as Each Channel

PIN FUNCTIONS

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