LTC3883 Datasheet, PDF (4/112 Pages) Linear Technology – Single Phase Step-Down DC/DC Controller with Digital Power System Management

LTC3883/LTC3883-1
Absolute Maximum Ratings (Note 1)
V_IN, SW....................................................... –0.3V to 28V
Topside Driver Voltage (BOOST)................. –0.3V to 34V
Switch Transient Voltage (SW)...................... –5V to 28V
EXTV_CC, INTV_CC, BG, (BOOST – SW) .......... –0.3V to 6V
V_SENSE+, I_SENSE+........................................... –0.3V to 6V
RUN, SDA, SCL, ALERT.............................. –0.3V to 5.5V
FREQ_CFG, V_{OUT_CFG}, V_{TRIM_CFG},
ASEL, V_DD25............................................. –0.3V to 2.75V
(V_{IN_SNS} – V_IN), (V_IN – I_{IN_SNS})................. –0.3V to 0.3V
PGOOD, GPIO, SHARE_CLK, I_TH,
V_DD33, WP................................................. –0.3V to 3.6V
INTV_CC Peak Output Current.................................100mA
Operating Junction Temperature Range
(Notes 2, 15)........................................... –40°C to 125°C
Storage Temperature Range................... –65°C to 125°C
Pin Configuration
LTC3883
TOP VIEW
32 31 30 29 28 27 26 25
V_{IN_SNS} 1
24 BOOST
I_{IN_SNS} 2
I_SENSE+ 3
I_SENSE– 4
SYNC 5
23 TG
22 SW
33
21 V_DD33
GND
20 SHARE_CLK
SCL 6
19 WP
SDA 7
18 V_DD25
ALERT 8
17 V_{TRIM_CFG}
9 10 11 12 13 14 15 16
LTC3883-1
TOP VIEW
32 31 30 29 28 27 26 25
V_{IN_SNS} 1
24 BOOST
I_{IN_SNS} 2
I_SENSE+ 3
I_SENSE– 4
SYNC 5
23 TG
22 SW
33
21 V_DD33
GND
20 SHARE_CLK
SCL 6
19 WP
SDA 7
18 V_DD25
ALERT 8
17 V_{TRIM_CFG}
9 10 11 12 13 14 15 16
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 44°C/W, θ_JC = 7.3°C/W
EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 44°C/W, θ_JC = 7.3°C/W
EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING* PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3883EUH#PBF
LTC3883EUH#TRPBF 3883
32-Lead (5mm × 5mm) Plastic QFN –40°C to 105°C
LTC3883IUH#PBF
LTC3883IUH#TRPBF
3883
32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C
LTC3883EUH-1#PBF LTC3883EUH-1#TRPBF 38831
32-Lead (5mm × 5mm) Plastic QFN –40°C to 105°C
LTC3883IUH-1#PBF
LTC3883IUH-1#TRPBF 38831
32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
3883f
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