參數(shù)資料
型號(hào)： TPS5625PWPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 2 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO28
封裝： GREEN, PLASTIC, HTSSOP-28
文件頁數(shù)： 2/28頁
文件大小： 568K
代理商： TPS5625PWPRG4
TPS5615, TPS5618, TPS5625, TPS5633
SYNCHRONOUS-BUCK HYSTERETIC REGULATOR CONTROLLER
SLVS177B SEPTEMBER 1998 REVISED JULY 2000
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating virtual junction temperature range,
VCC = 12 V, IDRV = 0 A (unless otherwise noted) (continued)
high-side VDS sensing
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Gain
2
V/V
Initial accuracy
VHISENSE = 12 V,
VLOSENSE = 11.9 V
194
206
mV
Initial accuracy
Differential input to Vds sensing amp = 100 mV
194
206
mV
IOUTLO sink current
5 V
≤ VIOUTLO ≤ 13 V
250
nA
IOUT source current
VIOUT = 0.5 V,
VIOUTLO = 11.5 V
VHISENSE = 12 V,
500
μA
IOUT sink current
VIOUT = 0.05 V,
VIOUTLO = 12 V
VHISENSE = 12 V,
50
μA
VHISENSE = 11 V
0
2
Output voltage swing
VHISENSE = 4.5 V
RIOUT = 10 kΩ
0
1.5
V
Output voltage swing
VHISENSE = 3 V
RIOUT
10 k
Ω
0
0.75
V
LOSENSE high-level input voltage
VHISENSE = 4.5 V,
See Note 2
2.85
V
LOSENSE low-level input voltage
VHISENSE = 4.5 V,
See Note 2
2.4
V
11.4 V
≤ VHISENSE ≤ 12.6 V,
LOSENSE connected to HISENSE,
VHISENSE VIOUTLO = 0.15 V
50
60
80
Sample/hold resistance
4.5 V
≤ VHISENSE ≤ 5.5 V,
LOSENSE connected to HISENSE,
VHISENSE VIOUTLO = 0.15 V
62
85
123
Ω
3 V
≤ VHISENSE ≤ 3.6 V,
LOSENSE connected to HISENSE,
VHISENSE VIOUTLO = 0.15 V
67
95
144
CMRR
VHISENSE = 12.6 V to 3 V,
VHISENSE VOUTLO = 100 mV
69
75
dB
NOTE 2: Ensured by design, not tested.
deadtime
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LOHIB
High level input voltage
See Note 2
2.4
V
LODR
High-level input voltage
See Note 2
3
V
LOHIB
Low level input voltage
See Note 2
1.4
V
LODR
Low-level input voltage
See Note 2
1.7
V
NOTE 2: Ensured by design, not tested.
LODRV
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LODRV
High-level input voltage
1.85
V
LODRV
Low-level input voltage
0.95
V
drive regulator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage
11.4 V
≤ VCC ≤ 12.6 V, IDRV = 50 mA
7
9
V
Output regulation
1 mA
≤ IDRV ≤ 500 mA
100
mV
Short-circuit current
100
mA
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