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参数资料
| 型号： | TPS51116RGER |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 6 A SWITCHING CONTROLLER, PQCC24 |
| 封装： | 4 X 4 MM, GREEN, PLASTIC, QFN-24 |
| 文件页数： | 39/40页 |
| 文件大小： | 931K |
| 代理商： | TPS51116RGER |
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DEVICE INFORMATION
SLUS609H – MAY 2004 – REVISED JULY 2009................................................................................................................................................................ www.ti.com
TERMINAL FUNCTIONS
TERMINAL
NO.
I/O
DESCRIPTION
NAME
PWP
RGE
Output of the transconductance amplifier for phase compensation. Connect to V5IN to disable
COMP
8
6
I/O
gm amplifier and use D-CAP mode.
Current sense comparator input (-) for resistor current sense scheme. Or overcurrent trip
CS
15
16
I/O
voltage setting input for RDS(on) current sense scheme if connected to V5IN (PWP), V5FILT
(RGE) through the voltage setting resistor.
DRVH
19
21
O
Switching (top) MOSFET gate drive output.
DRVL
17
19
O
Rectifying (bottom) MOSFET gate drive output.
GND
5
3
-
Signal ground. Connect to minus terminal of the VTT LDO output capacitor.
CS_GND
-
17
Current sense comparator input (+) and ground for powergood circuit.
Switching (top) MOSFET gate driver return. Current sense comparator input (-) for RDS(on)
LL
18
20
I/O
current sense.
MODE
6
4
I
Discharge mode setting pin. See VDDQ and VTT Discharge Control section.
NC
-
7,12
No connect.
Ground for rectifying (bottom) MOSFET gate driver (PWP, RGE). Also current sense
PGND
16
18
-
comparator input(+) and ground for powergood circuit (PWP).
Powergood signal open drain output, In HIGH state when VDDQ output voltage is within the
PGOOD
13
O
target range.
S3
11
10
I
S3 signal input.
S5
12
11
I
S5 signal input.
V5IN
14
15
I
5-V power supply input for internal circuits (PWP) and MOSFET gate drivers (PWP, RGE).
Filtered 5-V power supply input for internal circuits. Connect R-C network from V5IN to
V5FILT
-
14
I
V5FILT.
VBST
20
22
I/O
Switching (top) MOSFET driver bootstrap voltage input.
VDDQSET
10
9
I
VDDQ output voltage setting pin. See VDDQ Output Voltage Selection section.
VDDQ reference input for VTT and VTTREF. Power supply for the VTTREF. Discharge
VDDQSNS
9
8
I/O
current sinking terminal for VDDQ Non-tracking discharge. Output voltage feedback input for
VDDQ output if VDDQSET pin is connected to V5IN or GND.
VLDOIN
1
23
I
Power supply for the VTT LDO.
VTT
2
24
O
Power output for the VTT LDO.
VTTGND
3
1
-
Power ground output for the VTT LDO.
VTTREF
7
5
O
VTTREF buffered reference output.
Voltage sense input for the VTT LDO. Connect to plus terminal of the VTT LDO output
VTTSNS
4
2
I
capacitor.
8
Copyright 2004–2009, Texas Instruments Incorporated
Product Folder Link(s): TPS51116
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