LTC3703-5_15 Datasheet, PDF (2/32 Pages) Linear Technology – 60V Synchronous Switching Regulator Controller

LTC3703-5
ABSOLUTE AXI U RATI GS _{(Note 1)}
Supply Voltages
V_CC, DRV_CC .......................................... –0.3V to 15V
(DRV_CC – BGRTN), (BOOST – SW) ...... –0.3V to 15V
BOOST (Continuous) ............................ –0.3V to 85V
BOOST (400ms) ................................... –0.3V to 95V
BGRTN ...................................................... –5V to 0V
V_IN Voltage (Continuous) .......................... –0.3V to 70V
V_IN Voltage (400ms) ................................. –0.3V to 80V
SW Voltage (Continuous) ............................ –1V to 70V
SW Voltage (400ms) ................................... –1V to 80V
Run/SS Voltage .......................................... –0.3V to 5V
MODE/SYNC, INV Voltages ....................... –0.3V to 15V
f_SET, FB, I_MAX, COMP Voltages ................... –0.3V to 3V
Driver Outputs
TG ................................ SW – 0.3V to BOOST + 0.3V
BG ........................... BGRTN – 0.3V to DRV_CC + 0.3V
Peak Output Current <10µs BG,TG ............................ 5A
Operating Temperature Range (Note 2)
LTC3703E-5 ........................................ –40°C to 85°C
LTC3703I-5 ....................................... –40°C to 125°C
Junction Temperature (Notes 3, 7) ....................... 125°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec.)................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
MODE/SYNC 1
f_SET 2
COMP 3
FB 4
I_MAX 5
INV 6
RUN/SS 7
GND 8
16 V_IN
15 B00ST
14 TG
13 SW
12 V_CC
11 DRV_CC
10 BG
9 BGRTN
GN PACKAGE
16-LEAD NARROW PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 110°C/W
ORDER PART
NUMBER
LTC3703EGN-5
LTC3703IGN-5
GN PART
MARKING
37035
3703I5
Consult LTC Marketing for parts specified with wider operating temperature ranges.
V_IN 1
NC 2
NC 3
NC 4
NC 5
MODE/SYNC 6
f_SET 7
COMP 8
FB 9
I_MAX 10
INV 11
NC 12
RUN/SS 13
GND 14
TOP VIEW
28 BOOST
27 TG
26 SW
25 NC
24 NC
23 NC
22 NC
21 V_CC
20 DRV_CC
19 BG
18 NC
17 NC
16 NC
15 BGRTN
G PACKAGE
28-LEAD PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 100°C/W
ORDER PART
NUMBER
LTC3703EG-5
LTC3703IG-5
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. V_CC = DRV_CC = V_BOOST = V_IN = 5V, V_MODE/SYNC = V_INV = V_SW =
BGRTN = 0V, RUN/SS = I_MAX = open, R_SET = 25k, unless otherwise specified.
SYMBOL
V_CC, DRV_CC
V_IN
I_CC
I_DRVCC
I_BOOST
PARAMETER
V_CC, DRV_CC Supply Voltage
V_IN Pin Voltage
V_CC Supply Current
DRV_CC Supply Current
BOOST Supply Current
CONDITIONS
V_FB = 0V
RUN/SS = 0V
(Note 5)
RUN/SS = 0V
(Note 5)
RUN/SS = 0V
MIN TYP MAX UNITS
● 4.1
15
V
●
60
V
●
1.7
2.5
mA
25
40
µA
0
5
µA
0
5
µA
●
360 500
µA
0
5
µA
37035fa
2