LTC3610EWPPBF Datasheet, PDF (24/24 Pages) Linear Technology – 24V, 12A Monolithic Synchronous Step-Down DC/DC Converter

LTC3610
Typical Application
14V to 24V Input to 12V/5A at 500kHz
C_VCC
4.7µF
6.3V
INTV_CC
V_IN
C_F
R_F1
0.1µF 1Ω
25V
SW
GND
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
V_OUT
12V AT
5A
C5
22µF
25V
(OPTIONAL)
GND
C_OUT +
180µF
16V
L1
5.7µH
V_IN
14V TO 24V
V_IN
GND
C_IN
C6 +
10µF
10µF
25V
35V
3× _(OPTIONAL)
1 _PGND
2 _PGND
3 _PGND
4 _SW
5 _SW
6 _SW
7 _SW
8 _SW
9 _SW
10 _SW
11 _SW
12 _PVIN
13 _PVIN
14 _PVIN
15 _PVIN
16 _PVIN
LTC3610
SGND ⁴⁸
SGND ⁴⁷
SGND ⁴⁶
SGND ⁴⁵
EXTV_CC ⁴⁴
V_FB ⁴³
SGND ⁴²
I_ON ⁴¹
SGND ⁴⁰
FCB ³⁹
I_TH ³⁸
V_RNG ³⁷
PGOOD ³⁶
V_ON ³⁵
SGND ³⁴
33
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
C_IN: TAIYO YUDEN TMK432BJ106MM
C_OUT: SANYO 16SVP180MX
L1: SUMIDA CDEP1055R7
INTV_CC
C_B1
0.22µF
D_B
CMDSH-3
C_SS
0.1µF
RUN/SS
EXTV_CC
C4
0.01µF
R1
1.58k
1%
C1
(OPTIONAL)
R_ON
1M
1%
C_ON
0.01µF
(OPTIONAL)
R5
20k
R2
30.1k
1%
(OPTIONAL)
C2
V_OUT
V_IN
C_C1
560pF
R_PG1
100k
INTV_CC
R_SS1
510k
V_IN
(OPTIONAL)
(OPTIONAL)
C_C2
100pF
(OPTIONAL)
R_VON
INTV_CC
SGND
C_VON
3610 TA05
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PART NUMBER
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LTC3414
LTC3418
LTC3770
LTC3778
LT3800
LTM4600HV
DESCRIPTION
No R_SENSE Current Mode Synchronous Step-Down
Controller
1.25A (I_OUT), 4MHz, Synchronous Step-Down DC/DC
Converter
2.5A (I_OUT) 4MHz Synchronous Step-Down DC/DC
Converter
4A (I_OUT), 4MHz, Synchronous Step-Down DC/DC
Converter
8A (I_OUT), 4MHz, Synchronous Step-Down DC/DC
Converter
Fast, No R_SENSE Step-Down Synchronous Controller with
Margining, Tracking, PLL
Low V_OUT, No R_SENSE Synchronous Step-Down Controller
60V Synchronous Step-Down Controller
10A Complete Switch Mode Power Supply
LTM4601HV 12A Complete Switch Mode Power Supply
LTM4602HV 6A Complete Switch Mode Power Supply
LTM4603HV 6A Complete Switch Mode Power Supply
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
COMMENTS
Up to 97% Efficiency, V_IN: 4V to 36V, 0.8V ≤ V_OUT ≤ (0.9)(V_IN),
I_OUT Up to 20A
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT = 0.8V, I_Q = 60µA, I_SD <1µA,
MS Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.8V, I_Q = 60mA, I_SD <1mA,
TSSOP16E
95% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = 0.8V, I_Q = 64µA, I_SD <1µA,
TSSOP20E Package
95% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = 0.8V, Thermally Enhanced
38-Lead QFN Package
±0.67% 0.6V Reference Voltage; Programmable Margining; True Current
Mode; 4V ≤ V_IN ≤ 32V
0.6V ≤ V_OUT ≤ (0.9) V_IN, 4V ≤ V_IN ≤ 36V, I_OUT Up to 20A
Current Mode, Output Slew Rate Control
92% Efficiency, V_IN: 4.5V to 28V, V_OUT = 0.6V, True Current Mode Control,
Ultrafast Transient Response
92% Efficiency, V_IN: 4.5V to 28V, V_OUT = 0.6V, True Current Mode Control,
Ultrafast Transient Response
92% Efficiency, V_IN: 4.5V to 28V, V_OUT = 0.6V, True Current Mode Control,
Ultrafast Transient Response
93% Efficiency, V_IN: 4.5V to 28V, with PLL, Output Tracking and Margining
3610ff
LT 0710 REV F • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2007