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| 型号： | TPS65530RSLRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 3.3 A SWITCHING REGULATOR, 1650 kHz SWITCHING FREQ-MAX, PQCC48 |
| 封装： | 6 X 6 MM, 0.40 MM PITCH, GREEN, PLASTIC, QFN-48 |
| 文件页数： | 10/31页 |
| 文件大小： | 931K |
| 代理商： | TPS65530RSLRG4 |
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CH6 Description
CH6 Recommended Parts
SLVS744C – OCTOBER 2007 – REVISED MAY 2008....................................................................................................................................................... www.ti.com
Table 13. Recommended Parts for Diode (CH5)
VENDOR
TYPE NO.
VR (V)
IF (mA)
VF (V)/IF (A)
CAPACITANCE (pF)
SIZE (mm)
Sanyo
SB0503EJ
30
500
0.55/0.5
16.5
1.6
× 0.8 × 0.6
CH6 is the voltage-mode-controlled nonsynchronous inverting converter for CCD–. The switch between the input
voltage and inductor is integrated into the device and consists of PMOS-FET. It is acceptable to connect the
battery to VCC6 (pin 42) directly when the battery voltage is more than 2.5 V. When the battery voltage is less
than 2.5 V, the CH8 output should be connected to VCC6. The output voltage is programmable from –10 V to
–5 V to use the feedback loop sensed by the external resistances. The output voltage is calculated by
Equation 6. The block diagram is shown in Figure 7.
VOUT6 = 1.25 – (1 + R2/R1) × 1.25 [V]
(6)
Where:
VOUT6 = Output voltage of CH6 [V]
R1, R2 = Feedback resistance (see Figure 7)
Figure 7. CH6 Block Diagram
Table 14. Recommended Parts for Inductor (CH6)
VENDOR
TYPE NO.
INDUCTANCE (
H)
DCR (m
)
SIZE (mm)
TOKO
DE2815C-1071AS-120M
12.0
240
2.8
× 3.0 × 1.2
Table 15. Recommended Parts for Capacitor (Input, CH6)
VENDOR
TYPE NO.
CAPACITANCE (
F)
TOLERANCE (%)
SIZE (mm)
Murata
GRM21BB31A106KE18
10.0
10
2.0
× 1.25 × 1.25 (EIA code: 0805)
18
Copyright 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS65530
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