ISL9007

High Current LDO with Low I<sub>Q</sub> and High PSRR

OVERVIEW

ISL9007 is a high performance LDO that delivers a continuous 400mA of load current. It has a low standby current and high PSRR and is stable with output capacitance of 1µF to 10µF with an ESR of up to 200mΩ.

The ISL9007 has a very high PSRR of 75dB and output noise less than 30µVRMS . When coupled with a no load quiescent current of 50µA (typical), and 1µA (max) shutdown current, the ISL9007 is an ideal choice for portable wireless equipment.

The ISL9007 comes in fixed voltage options of 3.3V, 2.85V, 2.8V, and 2.5V with ±1.8% output voltage accuracy over-temperature, line and load. Other output voltage options may be available upon request.

KEY FEATURES

  • High performance LDO with 400mA continuous output
  • Excellent transient response to large current steps
  • Excellent load regulation: <0.1% voltage change across full range of load current
  • Very high PSRR: 75dB @ 1kHz
  • Wide input voltage capability: 2.3V to 6.5V
  • Very low quiescent current: 50µA
  • Low dropout voltage: typically 200mV @ 400mA
  • Low output noise: typically 30µVRMS @ 100µA (2.5V)
  • Stable with 1µF to 10µF ceramic capacitors
  • Shutdown pin turns off LDO for 1µA (max) standby current
  • Soft-start to limit input current surge during enable
  • Current limit and overheat protection
  • ±1.8% accuracy over all operating conditions
  • 8 Ld MSOP package
  • -40°C to +85°C operating temperature range
  • Pb-free (RoHS compliant)

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
ISL9007
Basic Information
生产状态
Mass Production
输入电压最小值 (V)
2.3
输入电压最大值 (V)
6.5
外部偏置
No
输出电压最小值 (V)
1.5
输出电压最大值 (V)
3.3
固定输出电压选项
Yes
O/P电压精度 (%)
±1.8
输出电流1最大值 (A)
0.4
PSRR (dB)
75
资质级别
Standard
噪声 (μVRMS 10Hz至100kHz)
30
IQ
50 µA
压降典型值 (mV)
250 @ 400mA
启用/关闭
Yes
PGOOD输出
No
输入电压范围 (V)
2.3 to 6.5
输出电压范围 (V)
1.5 to 3.3
CAN 采样
YES
温度范围
-40 to +85

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