LTM4633_15 Datasheet, PDF (32/32 Pages) Linear Technology – Triple 10A Step-Down DC/DC Module Regulator

LTM4633
Typical Application
LTM4633 Typical 12V Input to 0.9V at 10A, 1.0V at 10A, 1.2V at 10A with 0.9V and 1.0V Tracking 1.2V
C_IN4
22µF
16V
1.2V
12V INPUT
C_IN1
22µF
16V
C_IN2
22µF
16V
C_IN3
22µF
16V
V_IN1 SW1
CNTL_PWR
MODE/PLLIN
RUN1
13.3k
RUN2
RUN3
6.04k
TK/SS1
TK/SS2
48.7k
6.04k
24.3k
0.1µF
FOR C_OUT, R_FB, COMP AND C_FF
SEE TABLE 5
TK/SS3
V_OUT1 V_FB1
V_FB1
C_OUT1
100µF
R_FB1
487k
4.7µF
6.3V 30k
V_IN2 SW2
LTM4633
V_OUT2 V_FB2
V_FB2
C_OUT4
100µF
R_FB2
243k
V_IN3 SW3 INTV_CC EXTV_CC
FREQ/PLLLPF
COMP1
COMP2
COMP3
10k
PGOOD12
PGOOD3
TEMP1
TEMP2
V_OUT3 V_FB3 GND SGND
V_FB3
R_FB3
121k
4633 F20
100µF
FREQ = 500kHz
10k
10k
100pF
0.9V C_OUT2
100µF
1.0V C_OUT5 V_FB3
100µF
C_OUT7
100µF
V_FB1
*1000µF, 2.5V
220pF _COUT3*
C_OUT6
220pF 470µF
POSCAP (2R5TPE1000MF)
V_FB2
1.2V
C_OUT8
470µF
Design Resources
SUBJECT
µModule Design and Manufacturing Resources
TechClip Videos
DESCRIPTION
Design:
• Selector Guides
• Demo Boards and Gerber Files
• Free Simulation Tools
Manufacturing:
• Quick Start Guide
• PCB Design, Assembly and Manufacturing Guidelines
• Package and Board Level Reliability
Quick videos detailing how to bench test electrical and thermal performance of µModule products.
Related Parts
PART NUMBER DESCRIPTION
COMMENTS
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V_OUT Tracking, PGOOD, CLKOUT, Internal Temperature Monitor,
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LTM4624
14V_IN, 4A Step-Down µModule Regulator in Tiny
6.25mm × 6.25mm × 5.01mm BGA
C4Vom≤pVle^INte≤S1o4luV,ti0o.n6Vin≤1cVm^OU2T(S≤in5g.5leV-,SVi^Od^Ue^Td
Tracking,
PCB)
PGOOD,
Light
Load
Mode,
LTM8028
36V_IN, UltraFast™, Low Output Noise 5A µModule
Regulator
6V ≤ V_IN ≤ 36V, 0.8V ≤ V_OUT ≤ 1.8V Set Via 3-Pin Three-State Interface,
<1mV V_OUT Ripple, 10% Accurate Current Limit, PGOOD,
15mm × 15mm × 4.9mm BGA
LTM4637
20V_IN, 20A DC/DC µModule Step-Down Regulator
4.5V ≤ V_IN ≤ 20V, 0.6V ≤ V_OUT ≤ 5.5V, PLL Input, V_OUT Tracking,
Remote Sense Amplifier, PGOOD, 15mm × 15mm × 4.32mm LGA
4633f
32 ^{Linear Technology Corporation}
1630 McCarthy Blvd., Milpitas,
[phone] ^● FAX: [phone]
C_●A_ww9_w5_.0_Flion3_re5_am-_r.7_oc4_orem1_i7_{n/LfToMrm4a6t3io3n}
www.linear.com/LTM4633
LT 1013 • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2013