參數(shù)資料
型號： TPS5602IDBTRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 3 A DUAL SWITCHING CONTROLLER, 202.4 kHz SWITCHING FREQ-MAX, PDSO30
封裝： GREEN, PLASTIC, TSSOP-30
文件頁數(shù)： 21/27頁
文件大?。?/td> 949K
代理商： TPS5602IDBTRG4
TPS5602
DUAL, FAST, HIGH EFFICIENCY CONTROLLER FOR DSP POWER
SLVS217 – JUNE 1999
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
COMP
12
I/O
Voltage monitor comparator input
CT
5
I/O
The oscillator frequency external capacitor connection
GND
7
Control GND
INV1
1
I
CH1 hysteretic comparator inverting input
INV2
15
I
CH2 hysteretic comparator inverting input
LH1
30
I/O
CH2 high-side gate drive boost capacitor input
LH2
16
I/O
CH1 high-side gate drive boost capacitor input
LL1
28
I/O
CH1 high-side drive and current protection
LL2
18
I/O
CH2 high-side drive and current protection
NC
2, 4, 6, 14
OUT1_d
27
I/O
CH1 low-side gate drive output
OUT2_d
19
O
CH2 low-side gate drive output
OUT1_u
29
O
CH1 high-side switch output
OUT2_u
17
O
CH2 high-side switch output
OUTGND1
26
Output GND 1
OUTGND2
20
Output GND 2
REF
8
O
1.185-V reference voltage output
REG5V_IN
21
I
External 5-V input
SOFTSTART1
3
I/O
CH1 soft start control external capacitor connection
SOFTSTART2
13
I/O
CH2 soft start control external capacitor connection
STBY1
9
I
CH1 standby control
STBY2
10
I
CH2 standby control
TRIP1
25
I
CH1 output current control input
TRIP2
23
I
CH2 output current control input
VCC
11
I
Supply voltage input
Vref5
22
O
5-V internal regulator output
VCCSENSE
24
I
Supply voltage sense input
detailed description
vref (1.185 V)
The reference voltage is used for the output voltage setting and the voltage protection (COMP).
vref (5 V)
An internal linear voltage regulator offers a fixed 5-V voltage as the bootstrap voltage so that the design for the
bootstrap is much easier. The tolerance is 6%. The extra current capability can also be used to power external
circuitry.
5-V switch
If the internal 5-V switch senses a 5-V input from REG5V pin, the internal 5-V linear regulator will be
disconnected from the MOSFET drivers. The external 5-V will be used for the low-side driver and the high-side
bootstrap, thus increasing the efficiency.
相關PDF資料
PDF描述
TPS5602IDBTR 3 A DUAL SWITCHING CONTROLLER, 202.4 kHz SWITCHING FREQ-MAX, PDSO30
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