參數(shù)資料
型號(hào): 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): 25/27頁
文件大?。?/td> 949K
代理商: TPS5602IDBTRG4
TPS5602
DUAL, FAST, HIGH EFFICIENCY CONTROLLER FOR DSP POWER
SLVS217 – JUNE 1999
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended free-air temperature range, VCC = 7 V (unless
otherwise noted) (continued)
5-V internal switch
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VTLH
Threshold voltage
4.2
4.9
V
VTHL
Threshold voltage
4.1
4.7
V
Rson
On-time resistance
2.5
8
Vhys
Hysteresis
50
250
mV
current limit
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Internal current source
10
15
20
A
Input offset voltage
2.5
mV
UVLO
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(TLH)
Threshold voltage
3.6
4.2
V
V(THL)
Threshold voltage
3.5
4.1
V
Hysteresis
50
250
mV
driver output
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OUT_u sink current
VO = 3 V
0.5
1.2
A
OUT_u source current
VO = 2 V
–1
–1.7
A
OUT_d sink current
VO = 3 V
0.5
1.2
A
OUT_d source current
VO = 2 V
–1
–1.7
A
Rise time
High side driver is GND referenced,
Input: INV=0V – 3V
CL = 2200 pF
25.6
ns
Rise time
In ut: INV = 0 V – 3 V,
tr/tf = 10 ns,
Frequency = 200 kHz,
CL = 3300 pF
30.8
ns
Fall time
High side driver is GND referenced,
Input: INV=0V – 3V
CL = 2200 pF
23.2
ns
Fall time
In ut: INV = 0 V – 3 V,
tr/tf = 10 ns,
Frequency = 200 kHz,
CL = 3300 pF
25.2
ns
Softstart
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I(CTRL) Softstart current
1.8
2.5
3
A
Maximum discharge current
0.92
mA
COMP
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Threshold voltage
1
1.1
1.25
V
Turn on
Propagation delay 50% duty cycle,
Frequency = 200 kHz
452
ns
Turn off
gy
y y
,
No capacitor on COMP or OUT_u pin,
Frequency = 200 kHz
384
ns
The delay time in the table includes the drivers.
oscillator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Frequency without Ct
202.4
kHz
Frequency with Ct
Ct = 100 pF
67.5
kHz
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