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Reference Design
TPS7A30
SBVS125D – AUGUST 2010 – REVISED JUNE 2015
TPS7A30 –35-V, –200-mA, Ultralow-Noise, Negative Linear Regulator
1 Features
•1 Input
Voltage Range: –3 V to –35 V • Noise:
– 14 μVRMS (20 Hz to 20 kHz) – 15.
1 μVRMS (10 Hz to 100 kHz) • Power-Supply Ripple Rejection: – 72 dB (120 Hz) – ≥ 55 dB (10 Hz to 700 kHz) • Adjustable Output: –1.
18 V to –33 V • Maximum Output Current: 200 mA • Dropout
Voltage: 216 mV at 100 mA • Stable with Ceramic
Capacitors ≥ 2.
2 μF •
CMOS Logic-Level-Compatible Enable Pin • Built-In, Fixed, Current Limit and Thermal Shutdown Protection • Packages: 8-Pin HVS...