LTC3832_15 Datasheet, PDF (2/24 Pages) Linear Technology – High Power Step-Down Synchronous DC/DC Controllers for Low Voltage Operation

LTC3832/LTC3832-1
ABSOLUTE AXI U RATI GS (Note 1)
Supply Voltage
V_CC ....................................................................... 9V
PV_CC1,2 ................................................................ 14V
Input Voltage
I_FB, I_MAX ............................................... – 0.3V to 14V
SENSE⁺, SENSE^–, FB,
SHDN, FREQSET ....................... – 0.3V to V_CC + 0.3V
Junction Temperature ........................................... 125°C
Operating Temperature Range (Note 9) .. – 40°C to 85°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
G1 1
PV_CC1 2
PGND 3
GND 4
SENSE^– 5
FB 6
SENSE⁺ 7
SHDN 8
16 G2
15 PV_CC2
14 V_CC
13 I_FB
12 I_MAX
11 FREQSET
10 COMP
9 SS
GN PACKAGE
16-LEAD PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 130°C/ W
ORDER PART
NUMBER
LTC3832EGN
GN
PART MARKING
3832
TOP VIEW
G1 1
PV_CC1 2
GND 3
FB 4
8 G2
7 V_CC/PV_CC2
6 COMP
5 SS
S8 PACKAGE
8-LEAD PLASTIC SO
T_JMAX = 125°C, θ_JA = 130°C/ W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART
NUMBER
LTC3832-1ES8
S8
PART MARKING
38321
ELECTRICAL CHARACTERISTICS The q denotes specifications that apply over the full operating temperature
range, otherwise specifications are at T_A = 25°C. V_CC, PV_CC1, PV_CC2 = 5V, unless otherwise noted. (Note 2)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
V_CC
PV_CC
V_UVLO
V_FB
Supply Voltage
PV_CC1, PV_CC2 Voltage
Undervoltage Lockout Voltage
Feedback Voltage
(Note 7)
V_COMP = 1.25V
q3
5
8
V
q3
13.2
V
2.4
2.9
V
0.595 0.6 0.605
V
q 0.593 0.6 0.607
V
V_OUT
Output Voltage
V_COMP = 1.25V
2.462 2.5 2.538
V
q 2.450 2.5 2.550
V
∆V_OUT
Output Load Regulation
Output Line Regulation
I_OUT = 0A to 10A (Note 6)
V_CC = 4.75V to 5.25V
2
mV
0.1
mV
2
sn3832 3832fs